using PostFundManagement.Application.Abstractions.Services;
using PostFundManagement.Application.Services.Shared;
using PostFundManagement.Domain;
using PostFundManagement.Domain.Abstractions;
using PostFundManagement.Domain.Errors;
using PostFundManagement.Domain.Extensions;
using PostFundManagement.Domain.Models;
using PostFundManagement.Infrastructure.Database;

namespace PostFundManagement.Application.Services.Projects;

public sealed class ProjectService(IDbContextFactory<ApplicationDbContext> contextFactory, HashService hashService,
    ITenantContextService tenantContext) : IProjectService
{
    public async Task<Result> UpdateProjectStatusAsync(UpdateProjectStatusRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            if (!await context.Users.AnyAsync(u => u.Id == userId, cancellationToken))
                return Result.Fail(NotFoundError.New);

            var changedTotal = await context.Projects
                .Where(f => f.Id == request.ProjectId)
                .ExecuteUpdateAsync(f => f
                    .SetProperty(p => p.Status, request.Status)
                    .SetProperty(p => p.UpdatedBy, userId)
                    .SetProperty(p => p.UpdatedAt, DateTime.UtcNow), cancellationToken);

            return Result.OkIf(changedTotal > 0, UpdateError.Create("No changes detected, update cancelled."));
        }));

    public async Task<Result<Project[]>> GetProjectsAsync(Pagination pagination, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Project[]>>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var projects = await context.Projects.AsNoTracking().OrderByDescending(p => p.CreatedAt)
                .Skip((pagination.Page - 1) * pagination.PageSize)
                .Take(pagination.PageSize)
                .ToListAsync(cancellationToken);

            return Result.Ok(projects.Select(p => p.Map()).ToArray());
        }));

    public async Task<Result<Project>> GetProjectAsync(string projectIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Project>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(projectIdHash);

            if (decodeResult.IsFailed)
                return Result.Fail<Project>(IdDecodeError.Create()
                    .CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var project = await context.Projects.AsNoTracking()
                .FirstOrDefaultAsync(p => p.Id == decodeResult.Value, cancellationToken);

            return Result.FailIf(project is null, NotFoundError.New)
                .ToResult(project!.Map());
        }));

    public async Task<Result<Domain.Models.Activity[]>> GetActivitiesAsync(string projectIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Domain.Models.Activity[]>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(projectIdHash);

            if (decodeResult.IsFailed)
                return Result.Fail<Domain.Models.Activity[]>(IdDecodeError.Create().CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var activities = await context.Activities.AsNoTracking()
                .Where(a => a.ProjectId == decodeResult.Value)
                .OrderByDescending(a => a.CreatedAt)
                .ToListAsync(cancellationToken);

            return Result.Ok(activities.Select(a => a.Map()).ToArray());
        }));

    public async Task<Result> CreateProjectAsync(CreateProjectRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result>>)(async () =>
        {
            using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var name = request.Name.Humanize(LetterCasing.Title).Trim();

            if (await context.Projects.AnyAsync(p => p.Name == name && p.Sector == request.Sector && p.ProjectType == request.ProjectType, cancellationToken))
                return Result.Fail(ValidationError.Create("A similarly named project exists of the same project type and sector"));

            if (!await context.Programmes.AnyAsync(p => p.Id == request.ProgrammeId, cancellationToken))
                return Result.Fail(NotFoundError.New);

            var description = request.Description.Humanize(LetterCasing.Sentence).Trim();

            context.Projects.Add(new Domain.Entities.Project
            {
                ProgrammeId = request.ProgrammeId,
                Name = name,
                Description = description,
                Sector = request.Sector,
                ProjectType = request.ProjectType,
                Status = ApprovalStatus.Pending,
                CreatedBy = userId,
                CreatedAt = DateTime.UtcNow,
                TenantId = tenantContext.TenantId
            });

            return Result.OkIf(await context.SaveChangesAsync(cancellationToken) > 0,
                CreateError.Create("No changes detected, update cancelled."));
        }));

    public async Task<Result> CreateActivityAsync(CreateActivityRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            if (!await context.Projects.AnyAsync(p => p.Id == request.ProjectId, cancellationToken))
                return Result.Fail(NotFoundError.New);

            if (request.MilestoneId.HasValue)
                if (!await context.Milestones.AnyAsync(m => m.Id == request.MilestoneId.Value, cancellationToken))
                    return Result.Fail(NotFoundError.New);

            context.Activities.Add(new Domain.Entities.Activity
            {
                ProjectId = request.ProjectId,
                MilestoneId = request.MilestoneId,
                Category = request.Category.Humanize(LetterCasing.Title).Trim(),
                Amount = request.Amount,
                Title = request.Title.Humanize(LetterCasing.Title).Trim(),
                Description = request.Description,
                PerformedAt = request.PerformedAt,
                Status = ApprovalStatus.Pending,
                CreatedBy = userId,
                CreatedAt = DateTime.UtcNow
            });

            return Result.OkIf(await context.SaveChangesAsync(cancellationToken) > 0,
                CreateError.Create("No record was created."));
        }));

    public async Task<Result<Milestone[]>> GetProjectMilestonesAsync(string projectIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Milestone[]>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(projectIdHash);

            if (decodeResult.IsFailed)
                return Result.Fail<Milestone[]>(IdDecodeError.Create()
                    .CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var milestones = await context.Milestones.AsNoTracking()
                .Where(m => m.ProjectId == decodeResult.Value)
                .OrderBy(m => m.DueAt)
                .ToListAsync(cancellationToken);

            return Result.Ok(milestones.Select(i => i.Map()).ToArray());
        }));

    public async Task<Result<Indicator[]>> GetProjectIndicatorsAsync(string projectIdHash, CancellationToken cancellationToken) =>
        await Result.Try((Func<Task<Result<Indicator[]>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(projectIdHash);

            if (decodeResult.IsFailed)
                return Result.Fail<Indicator[]>(IdDecodeError.Create()
                    .CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var evidences = await context.Indicators.AsNoTracking()
                .Where(e => e.ProjectId == decodeResult.Value)
                .OrderByDescending(o => o.Id)
                .ToListAsync(cancellationToken);

            return Result.Ok(evidences.Select(e => e.Map()).ToArray());
        }));

    public async Task<Result<Milestone>> GetMilestoneAsync(string milestoneIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Milestone>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(milestoneIdHash);

            if (decodeResult.IsFailed)
                return Result.Fail<Milestone>(IdDecodeError.Create().CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var milestone = await context.Milestones.AsNoTracking()
                .FirstOrDefaultAsync(m => m.Id == decodeResult.Value, cancellationToken);

            return Result.FailIf(milestone is null, NotFoundError.New)
                .ToResult(milestone!.Map());
        }));

    public async Task<Result<Milestone[]>> GetMilestonesAsync(Pagination pagination, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Milestone[]>>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var milestones = await context.Milestones.AsNoTracking()
                .OrderByDescending(m => m.CreatedAt)
                .Skip((pagination.Page - 1) * pagination.PageSize)
                .Take(pagination.PageSize)
                .ToListAsync(cancellationToken);

            return Result.Ok(milestones.Select(i => i.Map()).ToArray());
        }));

    public async Task<Result> UpdateMilestoneAsync(UpdateMilestoneRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            if (!await context.Users.AnyAsync(u => u.Id == userId, cancellationToken))
                return Result.Fail(NotFoundError.New);

            var changedTotal = await context.Milestones.Where(m => m.Id == request.MilestoneId)
                .ExecuteUpdateAsync(f => f
                    .SetProperty(u => u.Name, request.Name.Humanize(LetterCasing.Title).Trim())
                    .SetProperty(u => u.DueAt, request.DueAt)
                    .SetProperty(u => u.Priority, request.Priority)
                    .SetProperty(u => u.Status, request.Status)
                    .SetProperty(u => u.UpdatedBy, userId)
                    .SetProperty(u => u.UpdatedAt, DateTime.UtcNow), cancellationToken);

            return Result.OkIf(changedTotal > 0, UpdateError.Create("No changes detected, update cancelled."));
        }));

    public async Task<Result> UpdateProjectAsync(UpdateProjectRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var changedTotal = await context.Projects.Where(p => p.Id == request.ProjectId)
                .ExecuteUpdateAsync(f => f
                    .SetProperty(u => u.Name, request.Name.Humanize(LetterCasing.Title).Trim())
                    .SetProperty(u => u.Description, request.Description.Humanize(LetterCasing.Sentence).Trim())
                    .SetProperty(u => u.StartedAt, request.StartedAt)
                    .SetProperty(u => u.EndedAt, request.EndedAt)
                    .SetProperty(u => u.UpdatedBy, userId)
                    .SetProperty(u => u.UpdatedAt, DateTime.UtcNow)
                    .SetProperty(u => u.Sector, request.Sector)
                    .SetProperty(u => u.ProjectType, request.ProjectType), cancellationToken);

            return Result.OkIf(changedTotal > 0, UpdateError.Create("No changes detected, update cancelled."));
        }));

    public async Task<Result<Domain.Models.Activity>> GetActivityAsync(string activityIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Domain.Models.Activity>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(activityIdHash);

            if (decodeResult.IsFailed)
                return Result.Fail<Domain.Models.Activity>(IdDecodeError.Create()
                    .CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var activity = await context.Activities.AsNoTracking()
                .FirstOrDefaultAsync(a => a.Id == decodeResult.Value, cancellationToken);

            return Result.FailIf(activity is null, NotFoundError.New)
                .ToResult(activity!.Map());
        }));

    public async Task<Result<Risk[]>> GetProjectRisksAsync(string projectIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Risk[]>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(projectIdHash);

            if (decodeResult.IsFailed)
                return Result.Fail<Risk[]>(IdDecodeError.Create()
                    .CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var risks = await context.Risks.AsNoTracking()
                .Where(r => r.ProjectId == decodeResult.Value)
                .OrderByDescending(r => r.CreatedAt)
                .ToListAsync(cancellationToken);

            return Result.Ok(risks.Select(i => i.Map()).ToArray());
        }));

    public async Task<Result> CreateProgrammeAsync(CreateProgrammeRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var name = request.Name.Humanize(LetterCasing.Title).Trim();

            if (!await context.Portfolios.AnyAsync(p => p.Id == request.PortfolioId, cancellationToken))
                return Result.Fail(ValidationError.Create("Portfolio does not exist."));

            if (await context.Programmes.AnyAsync(p => p.Name == name, cancellationToken))
                return Result.Fail(ValidationError.Create("Programme of the same name exists"));

            context.Programmes.Add(new Domain.Entities.Programme
            {
                PortfolioId = request.PortfolioId,
                OwnedBy = request.OwnerId,
                Name = name,
                CreatedBy = userId,
                CreatedAt = DateTime.UtcNow,
                Status = ApprovalStatus.Pending,
                TenantId = tenantContext.TenantId
            });

            return Result.OkIf(await context.SaveChangesAsync(cancellationToken) > 0, CreateError.New);
        }));

    public async Task<Result> UpdateProgrammeAsync(UpdateProgrammeRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            if (!await context.Users.AnyAsync(u => u.Id == userId, cancellationToken))
                return Result.Fail(NotFoundError.New);

            var changedTotal = await context.Programmes.Where(p => p.Id == request.ProgrammeId)
                .ExecuteUpdateAsync(f => f
                    .SetProperty(u => u.Name, request.Name.Humanize(LetterCasing.Title).Trim())
                    .SetProperty(u => u.OwnedBy, request.OwnerId)
                    .SetProperty(u => u.Status, request.Status)
                    .SetProperty(u => u.UpdatedBy, userId)
                    .SetProperty(u => u.UpdatedAt, DateTime.UtcNow), cancellationToken);

            return Result.OkIf(changedTotal > 0, UpdateError.Create("No changes detected, update cancelled."));
        }));

    public async Task<Result<Programme>> GetProgrammeAsync(string programmeIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Programme>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(programmeIdHash);

            if (decodeResult.IsFailed) return Result.Fail(IdDecodeError.Create()
                    .CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var programme = await context.Programmes.FirstOrDefaultAsync(p => p.Id == decodeResult.Value, cancellationToken);

            return Result.FailIf(programme is null, NotFoundError.New)
                .ToResult(programme!.Map());
        }));

    public async Task<Result<Programme[]>> GetProgrammesAsync(Pagination pagination, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Programme[]>>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var programmes = await context.Programmes.AsNoTracking()
                .OrderByDescending(m => m.CreatedAt)
                .Skip((pagination.Page - 1) * pagination.PageSize)
                .Take(pagination.PageSize)
                .ToListAsync(cancellationToken);

            return Result.Ok(programmes.Select(i => i.Map()).ToArray());
        }));

    public async Task<Result<Project[]>> GetProgrammeProjectsAsync(string programmeIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Project[]>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(programmeIdHash);

            if (decodeResult.IsFailed) return Result.Fail(IdDecodeError.Create()
                    .CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            if (!await context.Programmes.AnyAsync(p => p.Id == decodeResult.Value, cancellationToken))
                return Result.Fail(NotFoundError.New);

            var projects = await context.Projects.AsNoTracking()
                .Where(p => p.ProgrammeId == decodeResult.Value)
                .OrderByDescending(o => o.CreatedAt)
                .ToListAsync(cancellationToken);

            return Result.Ok(projects.Select(i => i.Map()).ToArray());
        }));

    public async Task<Result> CreateChangeRequestAsync(CreateChangeRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            if (!await context.Projects.AnyAsync(p => p.Id == request.ProjectId, cancellationToken))
                return Result.Fail(ValidationError.Create("Project does not exist"));

            context.ChangeRequests.Add(new Domain.Entities.ChangeRequest
            {
                ProjectId = request.ProjectId,
                Title = request.Title,
                Justification = request.Justification,
                RevisedBudget = request.RevisedBudget,
                RevisedEndedAt = request.RevisionDate,
                Status = ApprovalStatus.Pending,
                CreatedAt = DateTime.UtcNow,
                CreatedBy = userId,
                TenantId = tenantContext.TenantId,
            });

            return Result.OkIf(await context.SaveChangesAsync(cancellationToken) > 0,
                CreateError.Create("Failed to create change request"));
        }));

    public async Task<Result> UpdateChangeRequestAsync(UpdateChangeRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var changedTotal = await context.ChangeRequests
                .Where(c => c.Id == request.ChangeRequestId)
                .ExecuteUpdateAsync(f => f
                    .SetProperty(u => u.Status, request.Status)
                    .SetProperty(u => u.RevisedBudget, request.RevisedBudget)
                    .SetProperty(u => u.RevisedEndedAt, DateTime.UtcNow)
                    .SetProperty(u => u.Title, request.Title.Humanize(LetterCasing.Title).Trim())
                    .SetProperty(u => u.Justification, request.Justification), cancellationToken);

            return Result.OkIf(changedTotal > 0, UpdateError.Create("No records were changed"));
        }));

    public async Task<Result<ChangeRequest[]>> GetChangeRequestsAsync(string projectIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<ChangeRequest[]>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(projectIdHash);

            if (decodeResult.IsFailed)
                return Result.Fail<ChangeRequest[]>(IdDecodeError.Create()
                    .CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var changeRequests = await context.ChangeRequests.AsNoTracking()
                .Where(c => c.ProjectId == decodeResult.Value)
                .ToListAsync(cancellationToken);

            return Result.Ok(changeRequests?.Select(i => i.Map()).ToArray() ?? []);
        }));

    public async Task<Result<ChangeRequest>> GetChangeRequestAsync(string changeRequestIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<ChangeRequest>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(changeRequestIdHash);

            if (decodeResult.IsFailed)
                return Result.Fail<ChangeRequest>(IdDecodeError.Create()
                    .CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var changeRequest = await context.ChangeRequests.AsNoTracking().FirstOrDefaultAsync(c => c.Id == decodeResult.Value, cancellationToken);

            return Result.FailIf(changeRequest is null, NotFoundError.New)
                .ToResult(changeRequest!.Map());
        }));

    public async Task<Result> CreateComplianceItemAsync(CreateComplianceItemRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            if (!await context.Projects.AnyAsync(p => p.Id == request.ProjectId, cancellationToken))
                return Result.Fail(ValidationError.Create("Project does not exist"));

            context.ComplianceItems.Add(new Domain.Entities.ComplianceItem
            {
                CreatedAt = DateTime.UtcNow,
                CreatedBy = userId,
                ProjectId = request.ProjectId,
                Requirements = request.Requirements,
                Status = ApprovalStatus.Pending,
                TenantId = tenantContext.TenantId,
                Title = request.Title.Humanize(LetterCasing.Title).Trim()
            });

            return Result.OkIf(await context.SaveChangesAsync(cancellationToken) > 0, CreateError.Create("Failed to create compliance item"));
        }));

    public async Task<Result> UpdateComplianceItemAsync(UpdateComplianceItemRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var changedTotal = await context.ComplianceItems
                .Where(f => f.Id == request.ComplianceItemId)
                .ExecuteUpdateAsync(f => f
                    .SetProperty(u => u.Title, request.Title.Humanize(LetterCasing.Title).Trim())
                    .SetProperty(u => u.Requirements, request.Requirements)
                    .SetProperty(u => u.Status, request.Status), cancellationToken);

            return Result.OkIf(changedTotal > 0, UpdateError.Create("No records changed"));
        }));

    public async Task<Result<ComplianceItem[]>> GetComplianceItemsAsync(string projectIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<ComplianceItem[]>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(projectIdHash);

            if (decodeResult.IsFailed)
                return Result.Fail<ComplianceItem[]>(IdDecodeError.Create()
                    .CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var complianceItems = await context.ComplianceItems.AsNoTracking()
                .Where(c => c.ProjectId == decodeResult.Value)
                .OrderByDescending(o => o.Id)
                .ToListAsync(cancellationToken);

            return Result.Ok(complianceItems?.Select(i => i.Map()).ToArray() ?? []);
        }));

    public async Task<Result<ComplianceItem>> GetComplianceItemAsync(string complianceItemIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<ComplianceItem>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(complianceItemIdHash);

            if (decodeResult.IsFailed)
                return Result.Fail<ComplianceItem>(IdDecodeError.Create()
                    .CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var compliancItem = await context.ComplianceItems.AsNoTracking().FirstOrDefaultAsync(c => c.Id == decodeResult.Value, cancellationToken);

            return Result.FailIf(compliancItem is null, NotFoundError.New)
                .ToResult(compliancItem!.Map());
        }));

    public async Task<Result> CreateBeneficiaryAsync(CreateBeneficiaryRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            context.Beneficiaries.Add(new Domain.Entities.Beneficiary
            {
                Category = request.Category,
                CreatedAt = DateTime.UtcNow,
                CreatedBy = userId,
                Location = request.Location,
                Name = request.Name.Humanize(LetterCasing.Title).Trim(),
                ProjectId = request.ProjectId,
                ReachedCount = request.ReachedCount,
                TargetCount = request.TargetCount,
                UserId = userId,
                TenantId = tenantContext.TenantId
            });

            return Result.OkIf(await context.SaveChangesAsync(cancellationToken) > 0,
                CreateError.Create("Failed to create beneficiary"));
        }));

    public async Task<Result> UpdateBeneficiaryAsync(UpdateBeneficiaryRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var changedTotal = await context.Beneficiaries
                .Where(f => f.Id == request.BeneficiaryId)
                .ExecuteUpdateAsync(f => f
                    .SetProperty(u => u.ReachedCount, request.ReachedCount)
                    .SetProperty(u => u.TargetCount, request.TargetCount)
                    .SetProperty(u => u.Location, request.Location)
                    .SetProperty(u => u.Category, request.Category.Humanize(LetterCasing.Title).Trim())
                    .SetProperty(u => u.Name, request.Name.Humanize(LetterCasing.Title).Trim()), cancellationToken);

            return Result.OkIf(changedTotal > 0, UpdateError.Create("No records changed"));
        }));

    public async Task<Result<Beneficiary[]>> GetBeneficiariesAsync(string projectIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Beneficiary[]>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(projectIdHash);

            if (decodeResult.IsFailed)
                return Result.Fail<Beneficiary[]>(IdDecodeError.Create()
                    .CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var beneficiaries = await context.Beneficiaries.AsNoTracking()
                .Where(b => b.ProjectId == decodeResult.Value)
                .OrderByDescending(o => o.Id)
                .ToListAsync(cancellationToken);

            return Result.Ok(beneficiaries?.Select(i => i.Map()).ToArray() ?? []);
        }));

    public async Task<Result<Beneficiary>> GetBeneficiaryAsync(string beneficiaryIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Beneficiary>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(beneficiaryIdHash);

            if (decodeResult.IsFailed)
                return Result.Fail<Beneficiary>(IdDecodeError.Create()
                    .CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var beneficiary = await context.Beneficiaries.AsNoTracking()
                .FirstOrDefaultAsync(b => b.Id == decodeResult.Value, cancellationToken);

            return Result.FailIf(beneficiary is null, NotFoundError.New)
                .ToResult(beneficiary!.Map());
        }));

    public async Task<Result> CreateIssueAsync(CreateIssueRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            context.Issues.Add(new Domain.Entities.Issue
            {
                AssignedTo = request.AssignedTo,
                CreatedAt = DateTime.UtcNow,
                CreatedBy = userId,
                Description = request.Description,
                Priority = request.Priority,
                ProjectId = request.ProjectId,
                Status = ActivityStatus.Active,
                TenantId = tenantContext.TenantId,
                Title = request.Title.Humanize(LetterCasing.Title).Trim()
            });

            return Result.OkIf(await context.SaveChangesAsync(cancellationToken) > 0, CreateError.Create("Failed to create issue"));
        }));

    public async Task<Result> UpdateIssueAsync(UpdateIssueRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var changedTotal = await context.Issues
                .Where(i => i.Id == request.IssueId)
                .ExecuteUpdateAsync(f => f
                    .SetProperty(u => u.Title, request.Title.Humanize(LetterCasing.Title).Trim())
                    .SetProperty(u => u.Description, request.Description)
                    .SetProperty(u => u.Resolution, request.Resolution)
                    .SetProperty(u => u.ResolvedAt, DateTime.UtcNow)
                    .SetProperty(u => u.Status, request.Status)
                    .SetProperty(u => u.AssignedTo, request.AssignedTo), cancellationToken);

            return Result.OkIf(changedTotal > 0, UpdateError.Create("No records changes"));
        }));

    public async Task<Result<Issue[]>> GetIssuesAsync(string projectIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Issue[]>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(projectIdHash);

            if (decodeResult.IsFailed)
                return Result.Fail<Issue[]>(IdDecodeError.Create()
                    .CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var issues = await context.Issues.AsNoTracking()
                .Where(i => i.ProjectId == decodeResult.Value)
                .OrderByDescending(o => o.Id)
                .ToListAsync(cancellationToken);

            return Result.Ok(issues?.Select(i => i.Map()).ToArray() ?? []);
        }));

    public async Task<Result<Issue>> GetIssueAsync(string issueIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Issue>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(issueIdHash);

            if (decodeResult.IsFailed)
                return Result.Fail<Issue>(IdDecodeError.Create()
                    .CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var issue = await context.Issues.AsNoTracking().FirstOrDefaultAsync(i => i.Id == decodeResult.Value, cancellationToken);

            return Result.FailIf(issue is null, NotFoundError.New)
                .ToResult(issue!.Map());
        }));

    public async Task<Result> CreateOutcomeAsync(CreateOutcomeRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            context.Outcomes.Add(new Domain.Entities.Outcome
            {
                BeneficiaryId = request.BeneficiaryId,
                CreatedAt = DateTime.UtcNow,
                CreatedBy = userId,
                Description = request.Description,
                Name = request.Name.Humanize(LetterCasing.Title).Trim(),
                TenantId = tenantContext.TenantId
            });

            return Result.OkIf(await context.SaveChangesAsync(cancellationToken) > 0, CreateError.Create("Failed to create outcome"));
        }));

    public async Task<Result> UpdateOutcomeAsync(UpdateOutcomeRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var changedTotal = await context.Outcomes
                .Where(o => o.Id == request.OutcomeId)
                .ExecuteUpdateAsync(f => f
                    .SetProperty(u => u.Description, request.Description)
                    .SetProperty(u => u.Name, request.Name.Humanize(LetterCasing.Title).Trim()), cancellationToken);

            return Result.OkIf(changedTotal > 0, UpdateError.Create("No records changed"));
        }));

    public async Task<Result<Outcome[]>> GetOutcomesAsync(string beneficiaryIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Outcome[]>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(beneficiaryIdHash);

            if (decodeResult.IsFailed)
                return Result.Fail<Outcome[]>(IdDecodeError.Create()
                    .CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var outcomes = await context.Outcomes.AsNoTracking()
                .Where(o => o.BeneficiaryId == decodeResult.Value)
                .OrderByDescending(o => o.Id)
                .ToListAsync(cancellationToken);

            return Result.Ok(outcomes?.Select(o => o.Map()).ToArray() ?? []);
        }));

    public async Task<Result<Outcome>> GetOutcomeAsync(string outcomeIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Outcome>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(outcomeIdHash);

            if (decodeResult.IsFailed)
                return Result.Fail<Outcome>(IdDecodeError.Create()
                    .CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var outcome = await context.Outcomes.AsNoTracking()
                .FirstOrDefaultAsync(o => o.Id == decodeResult.Value, cancellationToken);

            return Result.FailIf(outcome is null, NotFoundError.New)
                .ToResult(outcome!.Map());
        }));

    public async Task<Result> CreateSiteVisitAsync(CreateSiteVisitRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            context.SiteVisits.Add(new Domain.Entities.SiteVisit
            {
                CreatedAt = DateTime.UtcNow,
                CreatedBy = userId,
                InspectorName = request.InspectorName.Humanize(LetterCasing.Title).Trim(),
                Findings = request.Findings,
                VisitedAt = request.VisitedAt
            });

            return Result.OkIf(await context.SaveChangesAsync(cancellationToken) > 0, CreateError.Create("Failed to create site visit"));
        }));

    public async Task<Result> UpdateSiteVisitAsync(UpdateSiteVisitRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result>>)(async () =>
        {
            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var changedTotal = await context.SiteVisits
                .Where(v => v.Id == request.SiteVisitId)
                .ExecuteUpdateAsync(f => f
                    .SetProperty(u => u.InspectorName, request.InspectorName.Humanize(LetterCasing.Title).Trim())
                    .SetProperty(u => u.Findings, request.Findings)
                    .SetProperty(u => u.Status, request.Status)
                    .SetProperty(u => u.VisitedAt, request.VisitedAt), cancellationToken);

            return Result.OkIf(changedTotal > 0, UpdateError.Create("Failed to update site visit"));
        }));

    public async Task<Result<SiteVisit[]>> GetSiteVisitsAsync(string projectIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<SiteVisit[]>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(projectIdHash);

            if (decodeResult.IsFailed)
                return Result.Fail<SiteVisit[]>(IdDecodeError.Create()
                    .CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var visits = await context.SiteVisits.AsNoTracking()
                .Where(v => v.ProjectId == decodeResult.Value)
                .OrderByDescending(o => o.Id)
                .ToListAsync(cancellationToken);

            return Result.Ok(visits?.Select(i => i.Map()).ToArray() ?? []);
        }));

    public async Task<Result<SiteVisit>> GetSiteVisitAsync(string siteVisitIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<SiteVisit>>>)(async () =>
        {
            var decodeResult = hashService.DecodeLongIdHash(siteVisitIdHash);

            if (decodeResult.IsFailed)
                return Result.Fail<SiteVisit>(IdDecodeError.Create()
                    .CausedBy(decodeResult.Errors));

            await using var context = await contextFactory.CreateDbContextAsync(cancellationToken);

            var visit = await context.SiteVisits.AsNoTracking().FirstOrDefaultAsync(v => v.Id == decodeResult.Value, cancellationToken);

            return Result.FailIf(visit is null, NotFoundError.New)
                .ToResult(visit!.Map());
        }));
}