using System.Globalization;
using System.Security.Claims;
using Amazon.Auth.AccessControlPolicy;
using Asp.Versioning;
using JwtRoleAuthentication.Services;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using ServerCommon;
using ServerCommon.BusinessLogDomain;
using ServerCommon.UGQ.Models;
using Swashbuckle.AspNetCore.Annotations;
using UGQApiServer.Controllers.Common;
using UGQApiServer.Converter;
using UGQApiServer.Models;
using UGQDataAccess.Repository.Models;
using UGQDataAccess.Service;
using UGQDatabase.Models;
using UGQDataAccess.Logs;
using ServerBase;


namespace UGQApiServer.Controllers.Admin;



[ApiController]
[ApiVersion("1.0")]
[ApiExplorerSettings(GroupName = "admin")]
[Route("api/v{version:apiVersion}/[controller]")]
[UGQAdminApi]
public class AdminController : ControllerBase
{
    AdminService _adminService;
    TokenService _tokenService;

    public AdminController(AdminService adminService, TokenService tokenService)
    {
        _adminService = adminService;
        _tokenService = tokenService;
    }

    /// <summary>
    /// 어드민 계정 추가
    /// </summary>
    // [Authorize(Roles = "Admin")]
    [HttpPost]
    [Route("signup")]
    [Produces("application/json")]
    [SwaggerResponse(StatusCodes.Status200OK, Type = typeof(AdminSignupResponse))]
    [SwaggerResponse(StatusCodes.Status400BadRequest, Type = typeof(ApiErrorResponse))]
    public async Task<IResult> signup([FromBody] AdminSignupRequest request)
    {
        var entity = await _adminService.signup(request.Username, request.Password, UGQAccountRole.Service);
        if (entity == null)
            return Results.BadRequest(ApiResponseFactory.error(ServerErrorCode.UgqNullEntity));

        return Results.Ok(new AdminSignupResponse
        {
            Username = entity.Username,
            Role = entity.Role,
        });
    }

    /// <summary>
    /// 어드민 로그인
    /// </summary>
    [HttpPost]
    [Route("login")]
    [Produces("application/json")]
    [SwaggerResponse(StatusCodes.Status200OK, Type = typeof(AdminLoginResponse))]
    [SwaggerResponse(StatusCodes.Status400BadRequest, Type = typeof(ApiErrorResponse))]
    public async Task<IResult> login([FromBody] AdminLoginRequest request)
    {
        var entity = await _adminService.login(request.Username, request.Password);
        if(entity == null)
            return Results.BadRequest(ApiResponseFactory.error(ServerErrorCode.UgqNullEntity));

        var accessToken = _tokenService.CreateAdminToken(entity.Username, entity.Role);
        var refreshToken = _tokenService.GenerateRefreshToken();
        DateTime refreshTokenExpryTime = DateTime.Now.AddDays(7);

        if (await _adminService.saveRefreshToken(entity.Id, refreshToken, refreshTokenExpryTime) == null)
            return Results.BadRequest(ApiResponseFactory.error(ServerErrorCode.UgqNullEntity));

        List<ILogInvoker> business_logs = [
            new UgqApiAdminLoginBusinessLog(entity.Username),
        ];
        var log_action = new LogActionEx(LogActionType.UgqApiAdminLogin);
        UgqApiBusinessLogger.collectLogs(log_action, entity, business_logs);
        
        return Results.Ok(new AdminLoginResponse
        {
            Username = entity.Username,
            Role = entity.Role,
            AccessToken = accessToken,
            RefreshToken = refreshToken
        });
    }

    /// <summary>
    /// 어드민 패스워드 변경
    /// </summary>
    [Authorize]
    [HttpPost]
    [Route("change-password")]
    [Produces("application/json")]
    [SwaggerResponse(StatusCodes.Status200OK, Type = typeof(AdminChangePaswordResponse))]
    [SwaggerResponse(StatusCodes.Status400BadRequest, Type = typeof(ApiErrorResponse))]
    public async Task<IResult> changePassowrd([FromBody] AdminChangePaswordRequest request)
    {
        var username = User.Claims.FirstOrDefault(c => c.Type == ClaimTypes.Name)?.Value;
        if (username == null)
            return Results.Unauthorized();

        var entity = await _adminService.changePassword(username, request.NewPassword);
        if (entity == null)
            return Results.BadRequest(ApiResponseFactory.error(ServerErrorCode.UgqNullEntity));

        return Results.Ok(new AdminChangePaswordResponse
        {
        });
    }

    /// <summary>
    /// 어드민 패스워드 변경
    /// </summary>
    [HttpPost]
    [Route("update-password")]
    [Produces("application/json")]
    [SwaggerResponse(StatusCodes.Status200OK, Type = typeof(AdminUpdatePaswordResponse))]
    [SwaggerResponse(StatusCodes.Status400BadRequest, Type = typeof(ApiErrorResponse))]
    public async Task<IResult> updatePassowrd([FromBody] AdminUpdatePaswordRequest request)
    {
        var entity = await _adminService.changePassword(request.Username, request.NewPassword);
        if (entity == null)
            return Results.BadRequest(ApiResponseFactory.error(ServerErrorCode.UgqNullEntity));

        return Results.Ok(new AdminUpdatePaswordResponse
        {
        });
    }

    /// <summary>
    /// 토큰 리프레쉬
    /// </summary>
    [HttpPost]
    [Route("refresh")]
    [Produces("application/json")]
    [SwaggerResponse(StatusCodes.Status200OK, Type = typeof(RefreshTokenResponse))]
    [SwaggerResponse(StatusCodes.Status400BadRequest, Type = typeof(ApiErrorResponse))]
    public async Task<IResult> Refresh([FromBody] RefreshTokenRequest request)
    {
        var principal = _tokenService.GetPrincipalFromExpiredToken(request.AccessToken);

        var username = principal.Claims.FirstOrDefault(c => c.Type == ClaimTypes.Name)?.Value;
        if (username == null)
            return Results.Unauthorized();

        var entity = await _adminService.get(username);
        if (entity is null)
            return Results.BadRequest(ApiResponseFactory.error(ServerErrorCode.UgqNullEntity));

        if (entity.RefreshToken != request.RefreshToken || entity.RefreshTokenExpiryTime <= DateTime.Now)
            return Results.BadRequest(ApiResponseFactory.error(ServerErrorCode.UgqInvalidToken));

        var accessToken = _tokenService.CreateAdminToken(entity.Username, entity.Role);
        var refreshToken = _tokenService.GenerateRefreshToken();

        if (await _adminService.saveRefreshToken(entity.Id, refreshToken, null) == null)
            return Results.BadRequest(ApiResponseFactory.error(ServerErrorCode.UgqNullEntity));

        return Results.Ok(new RefreshTokenResponse
        {
            AccessToken = accessToken,
            RefreshToken = refreshToken,
        });

    }

    [Authorize]
    [HttpPost]
    [Route("logout")]
    [Produces("application/json")]
    [SwaggerResponse(StatusCodes.Status200OK)]
    [SwaggerResponse(StatusCodes.Status400BadRequest, Type = typeof(ApiErrorResponse))]
    public async Task<IResult> Logout()
    {
        var username = User.Claims.FirstOrDefault(c => c.Type == ClaimTypes.Name)?.Value;
        if (username == null)
            return Results.Unauthorized();

        if (await _adminService.deleteRefreshToken(username) == null)
            return Results.BadRequest(ApiResponseFactory.error(ServerErrorCode.UgqNullEntity));

        return Results.Ok();
    }
}