using PostFundManagement.Application.Abstractions;
using PostFundManagement.Application.Abstractions.Services;
using PostFundManagement.Application.Extensions;
using PostFundManagement.Application.Services.Shared;
using PostFundManagement.Domain;
using PostFundManagement.Domain.Models;
using static PostFundManagement.Domain.Extensions.Constants;

namespace PostFundManagement.Application.Services.Governance;

public sealed class GovernanceCacheService(GovernanceService service, IDistributedCache cache,
    IFeatureManager featureManager) : ServiceCacheBase, IGovernanceService
{
    public async Task<Result> CreateOrganisationAsync(CreateOrganisationRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await service.CreateOrganisationAsync(request, userId, cancellationToken);

    public async Task<Result> CreatePortfolioAsync(CreatePortfolioRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await service.CreatePortfolioAsync(request, userId, cancellationToken);

    public async Task<Result> CreateTenantAsync(CreateTenantRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await service.CreateTenantAsync(request, userId, cancellationToken);

    public async Task<Result> CreateTenantOrganisationAsync(string organisationIdHash, string tenantIdHash, Guid userId, CancellationToken cancellationToken = default) =>
        await service.CreateTenantOrganisationAsync(organisationIdHash, tenantIdHash, userId, cancellationToken);

    public async Task<Result<Dashboard>> GetDashboardAsync(CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Dashboard>>>)(async () =>
        {
            if (!await featureManager.IsEnabledAsync(ServiceCachingFeature))
                return await service.GetDashboardAsync(cancellationToken);

            var cacheKey = HashService.ToMd5Hash($"getdashboard").Value;

            var cached = await cache.GetStringAsync(cacheKey, cancellationToken);

            if (string.IsNullOrWhiteSpace(cached))
            {
                var result = await service.GetDashboardAsync(cancellationToken);

                if (result.IsFailed) return result;

                await cache.SetStringAsync(cacheKey, result.Value.ToJson(), cacheOptions, cancellationToken);

                return result.Value;
            }

            return Result.Ok(cached.FromJson<Dashboard>());
        }));

    public async Task<Result<Instrument[]>> GetInstrumentsAsync(string programmeIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Instrument[]>>>)(async () =>
        {
            if (!await featureManager.IsEnabledAsync(ServiceCachingFeature))
                return await service.GetInstrumentsAsync(programmeIdHash, cancellationToken);

            var cacheKey = HashService.ToMd5Hash($"getinstruments").Value;

            var cached = await cache.GetStringAsync(cacheKey, cancellationToken);

            if (string.IsNullOrWhiteSpace(cached))
            {
                var result = await service.GetInstrumentsAsync(programmeIdHash, cancellationToken);

                if (result.IsFailed) return result;

                await cache.SetStringAsync(cacheKey, result.Value.ToJson(), cacheOptions, cancellationToken);

                return result.Value;
            }

            return Result.Ok(cached.FromJson<Instrument[]>());
        }));

    public async Task<Result<Organisation>> GetOrganisationAsync(string organisationIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Organisation>>>)(async () =>
        {
            if (!await featureManager.IsEnabledAsync(ServiceCachingFeature))
                return await service.GetOrganisationAsync(organisationIdHash, cancellationToken);

            var cacheKey = HashService.ToMd5Hash($"getorganisation-{organisationIdHash}").Value;

            var cached = await cache.GetStringAsync(cacheKey, cancellationToken);

            if (string.IsNullOrWhiteSpace(cached))
            {
                var result = await service.GetOrganisationAsync(organisationIdHash, cancellationToken);

                if (result.IsFailed) return result;

                await cache.SetStringAsync(cacheKey, result.Value.ToJson(), cacheOptions, cancellationToken);

                return result.Value;
            }

            return Result.Ok(cached.FromJson<Organisation>());
        }));

    public async Task<Result<Organisation[]>> GetOrganisationsAsync(Pagination pagination, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Organisation[]>>>)(async () =>
        {
            if (!await featureManager.IsEnabledAsync(ServiceCachingFeature))
                return await service.GetOrganisationsAsync(pagination, cancellationToken);

            var cacheKey = HashService.ToMd5Hash($"getorganisations-{pagination.Page}-{pagination.PageSize}").Value;

            var cached = await cache.GetStringAsync(cacheKey, cancellationToken);

            if (string.IsNullOrWhiteSpace(cached))
            {
                var result = await service.GetOrganisationsAsync(pagination, cancellationToken);

                if (result.IsFailed) return result;

                await cache.SetStringAsync(cacheKey, result.Value.ToJson(), cacheOptions, cancellationToken);

                return result.Value;
            }

            return Result.Ok(cached.FromJson<Organisation[]>());
        }));

    public async Task<Result<Portfolio[]>> GetPorfoliosAsync(string organisationIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Portfolio[]>>>)(async () =>
        {
            if (!await featureManager.IsEnabledAsync(ServiceCachingFeature))
                return await service.GetPorfoliosAsync(organisationIdHash, cancellationToken);

            var cacheKey = HashService.ToMd5Hash($"getportfolios-{organisationIdHash}").Value;

            var cached = await cache.GetStringAsync(cacheKey, cancellationToken);

            if (string.IsNullOrWhiteSpace(cached))
            {
                var result = await service.GetPorfoliosAsync(organisationIdHash, cancellationToken);

                if (result.IsFailed) return result;

                await cache.SetStringAsync(cacheKey, result.Value.ToJson(), cacheOptions, cancellationToken);

                return result.Value;
            }

            return Result.Ok(cached.FromJson<Portfolio[]>());
        }));

    public async Task<Result<Portfolio>> GetPortfolioAsync(string portfolioIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Portfolio>>>)(async () =>
        {
            if (!await featureManager.IsEnabledAsync(ServiceCachingFeature))
                return await service.GetPortfolioAsync(portfolioIdHash, cancellationToken);

            var cacheKey = HashService.ToMd5Hash($"getportfolio-{portfolioIdHash}").Value;

            var cached = await cache.GetStringAsync(cacheKey, cancellationToken);

            if (string.IsNullOrWhiteSpace(cached))
            {
                var result = await service.GetPortfolioAsync(portfolioIdHash, cancellationToken);

                if (result.IsFailed) return result;

                await cache.SetStringAsync(cacheKey, result.Value.ToJson(), cacheOptions, cancellationToken);

                return result.Value;
            }

            return Result.Ok(cached.FromJson<Portfolio>());
        }));

    public async Task<Result<Programme[]>> GetPortfolioProgrammesAsync(string portfolioIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Programme[]>>>)(async () =>
        {
            if (!await featureManager.IsEnabledAsync(ServiceCachingFeature))
                return await service.GetPortfolioProgrammesAsync(portfolioIdHash, cancellationToken);

            var cacheKey = HashService.ToMd5Hash($"getportfolioprogrammes-{portfolioIdHash}").Value;

            var cached = await cache.GetStringAsync(cacheKey, cancellationToken);

            if (string.IsNullOrWhiteSpace(cached))
            {
                var result = await service.GetPortfolioProgrammesAsync(portfolioIdHash, cancellationToken);

                if (result.IsFailed) return result;

                await cache.SetStringAsync(cacheKey, result.Value.ToJson(), cacheOptions, cancellationToken);

                return result.Value;
            }

            return Result.Ok(cached.FromJson<Programme[]>());
        }));

    public async Task<Result<Programme[]>> GetProgrammesAsync(string portfolioIdHash, CancellationToken cancellationToken = default) =>
        await Result.Try((Func<Task<Result<Programme[]>>>)(async () =>
        {
            if (!await featureManager.IsEnabledAsync(ServiceCachingFeature))
                return await service.GetProgrammesAsync(portfolioIdHash, cancellationToken);

            var cacheKey = HashService.ToMd5Hash($"getprogrammes-{portfolioIdHash}").Value;

            var cached = await cache.GetStringAsync(cacheKey, cancellationToken);

            if (string.IsNullOrWhiteSpace(cached))
            {
                var result = await service.GetProgrammesAsync(portfolioIdHash, cancellationToken);

                if (result.IsFailed) return result;

                await cache.SetStringAsync(cacheKey, result.Value.ToJson(), cacheOptions, cancellationToken);

                return result.Value;
            }

            return Result.Ok(cached.FromJson<Programme[]>());
        }));

    public Task<Result<Tenant>> GetTenantAsync(string tenantIdHash, CancellationToken cancellationToken = default)
    {
        throw new NotImplementedException();
    }

    public Task<Result<TenantOrganisation>> GetTenantOrganisationAsync(string tenantOrganisationIdHash, CancellationToken cancellationToken = default)
    {
        throw new NotImplementedException();
    }

    public Task<Result<TenantOrganisation[]>> GetTenantOrganisationsAsync(CancellationToken cancellationToken = default)
    {
        throw new NotImplementedException();
    }

    public Task<Result<Tenant[]>> GetTenantsAsync(CancellationToken cancellationToken = default)
    {
        throw new NotImplementedException();
    }

    public async Task<Result<Organisation>> UpdateOrganisationAsync(UpdateOrganisationRequest request, CancellationToken cancellationToken = default) =>
        await service.UpdateOrganisationAsync(request, cancellationToken);

    public async Task<Result> UpdatePortfolioAsync(UpdatePortfolioRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await service.UpdatePortfolioAsync(request, userId, cancellationToken);

    public async Task<Result> UpdateTenantAsync(UpdateTenantRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await service.UpdateTenantAsync(request, userId, cancellationToken);

    public async Task<Result> UpdateTenantOrganisationAsync(string tenantOrganisationIdHash, ActivityStatus status, Guid userId, CancellationToken cancellationToken = default) =>
        await service.UpdateTenantOrganisationAsync(tenantOrganisationIdHash, status, userId, cancellationToken);

    public async Task<Result> UpdateTenantUserAsync(UpdateTenantUserRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await service.UpdateTenantUserAsync(request, userId, cancellationToken);
}