using Core.Blueprint.DAL.SQLServer;
using Core.Blueprint.DAL.SQLServer.Context;
using Core.Blueprint.DAL.SQLServer.Contracts;
using Core.Blueprint.DAL.SQLServer.Entities;
using Core.Blueprint.DAL.SQLServer.Entities.Request;
using Core.Blueprint.Redis;
using Core.Blueprint.Redis.Helpers;
using Mapster;
using Microsoft.Extensions.Options;

public class UserProjectService : IUserProjectService
{
    private readonly IEntityRepository<UserProject, SqlServerContext> _userProjectRepository;
    private readonly CacheSettings cacheSettings;
    private readonly IRedisCacheProvider cacheProvider;

    public UserProjectService(IEntityRepository<UserProject, SqlServerContext> userProjectRepository, IRedisCacheProvider cacheProvider, IOptions<CacheSettings> cacheSettings)
    {
        _userProjectRepository = userProjectRepository;
        this.cacheSettings = cacheSettings.Value;
        this.cacheProvider = cacheProvider;
    }

    public async Task<IEnumerable<UserProject>> GetAllUserProjects()
    {
        var cacheKey = CacheKeyHelper.GenerateCacheKey(this, "GetAllUserProjects");
        var cachedData = await cacheProvider.GetAsync<IEnumerable<UserProject>>(cacheKey) ?? [];

        if (cachedData.Any()) return cachedData;

        var userProjects = await _userProjectRepository.GetAllAsync();

        await cacheProvider.SetAsync(cacheKey, userProjects);

        return userProjects;
    }

    public async Task<UserProject?> GetUserProjectById(int id)
    {
        var cacheKey = CacheKeyHelper.GenerateCacheKey(this, "GetUserProjectById", id);
        var cachedData = await cacheProvider.GetAsync<UserProject>(cacheKey);

        if (cachedData is not null) { return cachedData; }

        var userProject = await _userProjectRepository.GetByIdAsync(id);

        await cacheProvider.SetAsync(cacheKey, userProject);

        return userProject;
    }

    public async Task<UserProject> AddUserProject(UserProjectRequest newUserProject)
    {
        var userProject = newUserProject.Adapt<UserProject>();

        await _userProjectRepository.AddAsync(userProject);
        await _userProjectRepository.SaveAsync();
        return userProject;
    }

    public async Task<UserProject?> UpdateUserProject(UserProject userProject)
    {
        var existingEntity = await _userProjectRepository.GetByIdAsync(userProject.Id);

        if (existingEntity is null) return existingEntity;

        _userProjectRepository.Update(userProject);
        await _userProjectRepository.SaveAsync();
        return userProject;
    }

    public async Task<UserProject?> DeleteUserProject(int id)
    {
        var userProject = await _userProjectRepository.GetByIdAsync(id);
        if (userProject == null)
            return null;

        _userProjectRepository.Delete(userProject);
        await _userProjectRepository.SaveAsync();
        return userProject;
    }
}