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

namespace PostFundManagement.Application.Services.Execution;

public sealed class ExecutionCacheService(ExecutionService service, IDistributedCache cache,
    IFeatureManager featureManager) : ServiceCacheBase, IExecutionService
{
    [Audit]
    public async Task<Result> ApproveDisbursementAsync(string disbursementIdHash, Guid userId, CancellationToken cancellationToken = default) =>
        await service.ApproveDisbursementAsync(disbursementIdHash, userId, cancellationToken);

    [Audit]
    public async Task<Result> CreateDisbursementAsync(CreateDisbursementRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await service.CreateDisbursementAsync(request, userId, cancellationToken);

    [Audit]
    public async Task<Result> CreateRiskAsync(CreateRiskRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await service.CreateRiskAsync(request, userId, cancellationToken);

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

            var cacheKey = HashService.ToMd5Hash($"getdisbursement-{disbursementIdHash}").Value;

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

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

                if (result.IsFailed) return result;

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

                return result.Value;
            }

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

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

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

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

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

                if (result.IsFailed) return result;

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

                return result.Value;
            }

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

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

            var cacheKey = HashService.ToMd5Hash($"getrisk-{riskIdHash}").Value;

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

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

                if (result.IsFailed) return result;

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

                return result.Value;
            }

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

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

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

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

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

                if (result.IsFailed) return result;

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

                return result.Value;
            }

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

    [Audit]
    public async Task<Result> UpdateDisbursementAsync(UpdateDisbursementRequest request, Guid userId, CancellationToken cancellationToken = default) =>
        await service.UpdateDisbursementAsync(request, userId, cancellationToken);

    [Audit]
    public async Task<Result> UpdateRiskAsync(UpdateRiskRequest request, CancellationToken cancellationToken = default) =>
        await service.UpdateRiskAsync(request, cancellationToken);
}