using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using FutureMailAPI.Services;
using FutureMailAPI.DTOs;

namespace FutureMailAPI.Controllers
{
    [ApiController]
    [Route("api/v1/[controller]")]
    [Authorize]
    public class TimeCapsulesController : ControllerBase
    {
        private readonly ITimeCapsuleService _timeCapsuleService;
        private readonly ILogger<TimeCapsulesController> _logger;
        
        public TimeCapsulesController(ITimeCapsuleService timeCapsuleService, ILogger<TimeCapsulesController> logger)
        {
            _timeCapsuleService = timeCapsuleService;
            _logger = logger;
        }
        
        [HttpPost]
        public async Task<ActionResult<ApiResponse<TimeCapsuleResponseDto>>> CreateTimeCapsule([FromBody] TimeCapsuleCreateDto createDto)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ApiResponse<TimeCapsuleResponseDto>.ErrorResult("输入数据无效"));
            }
            
            // 从JWT令牌中获取当前用户ID
            var currentUserId = GetCurrentUserId();
            
            if (currentUserId == null)
            {
                return Unauthorized(ApiResponse<TimeCapsuleResponseDto>.ErrorResult("未授权访问"));
            }
            
            var result = await _timeCapsuleService.CreateTimeCapsuleAsync(currentUserId.Value, createDto);
            
            if (!result.Success)
            {
                return BadRequest(result);
            }
            
            return CreatedAtAction(
                nameof(GetTimeCapsule),
                new { capsuleId = result.Data!.Id },
                result);
        }
        
        [HttpGet("{capsuleId}")]
        public async Task<ActionResult<ApiResponse<TimeCapsuleResponseDto>>> GetTimeCapsule(int capsuleId)
        {
            // 从JWT令牌中获取当前用户ID
            var currentUserId = GetCurrentUserId();
            
            if (currentUserId == null)
            {
                return Unauthorized(ApiResponse<TimeCapsuleResponseDto>.ErrorResult("未授权访问"));
            }
            
            var result = await _timeCapsuleService.GetTimeCapsuleByIdAsync(currentUserId.Value, capsuleId);
            
            if (!result.Success)
            {
                return NotFound(result);
            }
            
            return Ok(result);
        }
        
        [HttpGet]
        public async Task<ActionResult<ApiResponse<PagedResponse<TimeCapsuleResponseDto>>>> GetTimeCapsules([FromQuery] TimeCapsuleListQueryDto queryDto)
        {
            // 从JWT令牌中获取当前用户ID
            var currentUserId = GetCurrentUserId();
            
            if (currentUserId == null)
            {
                return Unauthorized(ApiResponse<PagedResponse<TimeCapsuleResponseDto>>.ErrorResult("未授权访问"));
            }
            
            var result = await _timeCapsuleService.GetTimeCapsulesAsync(currentUserId.Value, queryDto);
            
            return Ok(result);
        }
        
        [HttpPut("{capsuleId}")]
        public async Task<ActionResult<ApiResponse<TimeCapsuleResponseDto>>> UpdateTimeCapsule(int capsuleId, [FromBody] TimeCapsuleUpdateDto updateDto)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ApiResponse<TimeCapsuleResponseDto>.ErrorResult("输入数据无效"));
            }
            
            // 从JWT令牌中获取当前用户ID
            var currentUserId = GetCurrentUserId();
            
            if (currentUserId == null)
            {
                return Unauthorized(ApiResponse<TimeCapsuleResponseDto>.ErrorResult("未授权访问"));
            }
            
            var result = await _timeCapsuleService.UpdateTimeCapsuleAsync(currentUserId.Value, capsuleId, updateDto);
            
            if (!result.Success)
            {
                return BadRequest(result);
            }
            
            return Ok(result);
        }
        
        [HttpDelete("{capsuleId}")]
        public async Task<ActionResult<ApiResponse<bool>>> DeleteTimeCapsule(int capsuleId)
        {
            // 从JWT令牌中获取当前用户ID
            var currentUserId = GetCurrentUserId();
            
            if (currentUserId == null)
            {
                return Unauthorized(ApiResponse<bool>.ErrorResult("未授权访问"));
            }
            
            var result = await _timeCapsuleService.DeleteTimeCapsuleAsync(currentUserId.Value, capsuleId);
            
            if (!result.Success)
            {
                return BadRequest(result);
            }
            
            return Ok(result);
        }
        
        [HttpGet("public")]
        [AllowAnonymous]
        public async Task<ActionResult<ApiResponse<PagedResponse<TimeCapsuleResponseDto>>>> GetPublicTimeCapsules([FromQuery] TimeCapsuleListQueryDto queryDto)
        {
            var result = await _timeCapsuleService.GetPublicTimeCapsulesAsync(queryDto);
            
            return Ok(result);
        }
        
        [HttpPost("public/{capsuleId}/claim")]
        public async Task<ActionResult<ApiResponse<TimeCapsuleResponseDto>>> ClaimPublicCapsule(int capsuleId)
        {
            // 从JWT令牌中获取当前用户ID
            var currentUserId = GetCurrentUserId();
            
            if (currentUserId == null)
            {
                return Unauthorized(ApiResponse<TimeCapsuleResponseDto>.ErrorResult("未授权访问"));
            }
            
            var result = await _timeCapsuleService.ClaimPublicCapsuleAsync(currentUserId.Value, capsuleId);
            
            if (!result.Success)
            {
                return BadRequest(result);
            }
            
            return Ok(result);
        }
        
        [HttpGet("view")]
        public async Task<ActionResult<ApiResponse<TimeCapsuleViewResponseDto>>> GetTimeCapsuleView()
        {
            // 从JWT令牌中获取当前用户ID
            var currentUserId = GetCurrentUserId();
            
            if (currentUserId == null)
            {
                return Unauthorized(ApiResponse<TimeCapsuleViewResponseDto>.ErrorResult("未授权访问"));
            }
            
            var result = await _timeCapsuleService.GetTimeCapsuleViewAsync(currentUserId.Value);
            
            if (!result.Success)
            {
                return BadRequest(result);
            }
            
            return Ok(result);
        }
        
        [HttpPut("{capsuleId}/style")]
        public async Task<ActionResult<ApiResponse<TimeCapsuleResponseDto>>> UpdateTimeCapsuleStyle(int capsuleId, [FromBody] TimeCapsuleStyleUpdateDto updateDto)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ApiResponse<TimeCapsuleResponseDto>.ErrorResult("输入数据无效"));
            }
            
            // 从JWT令牌中获取当前用户ID
            var currentUserId = GetCurrentUserId();
            
            if (currentUserId == null)
            {
                return Unauthorized(ApiResponse<TimeCapsuleResponseDto>.ErrorResult("未授权访问"));
            }
            
            var result = await _timeCapsuleService.UpdateTimeCapsuleStyleAsync(currentUserId.Value, capsuleId, updateDto);
            
            if (!result.Success)
            {
                return BadRequest(result);
            }
            
            return Ok(result);
        }
        
        private int? GetCurrentUserId()
        {
            var userIdClaim = User.FindFirst(System.Security.Claims.ClaimTypes.NameIdentifier);
            
            if (userIdClaim == null || !int.TryParse(userIdClaim.Value, out var userId))
            {
                return null;
            }
            
            return userId;
        }
    }
}