using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Swashbuckle.AspNetCore.Annotations;
using SPMS.Application.DTOs.Device;
using SPMS.Application.Interfaces;
using SPMS.Domain.Common;

namespace SPMS.API.Controllers;

[ApiController]
[Route("v1/in/device")]
[ApiExplorerSettings(GroupName = "device")]
public class DeviceController : ControllerBase
{
    private readonly IDeviceService _deviceService;

    public DeviceController(IDeviceService deviceService)
    {
        _deviceService = deviceService;
    }

    [HttpPost("register")]
    [SwaggerOperation(Summary = "디바이스 등록", Description = "앱 최초 설치 시 디바이스를 등록합니다.")]
    public async Task<IActionResult> RegisterAsync([FromBody] DeviceRegisterRequestDto request)
    {
        var serviceId = GetServiceId();
        var result = await _deviceService.RegisterAsync(serviceId, request);
        return Ok(ApiResponse<DeviceRegisterResponseDto>.Success(result));
    }

    [HttpPost("info")]
    [SwaggerOperation(Summary = "디바이스 조회", Description = "디바이스 정보를 조회합니다.")]
    public async Task<IActionResult> GetInfoAsync([FromBody] DeviceInfoRequestDto request)
    {
        var serviceId = GetServiceId();
        var result = await _deviceService.GetInfoAsync(serviceId, request);
        return Ok(ApiResponse<DeviceInfoResponseDto>.Success(result));
    }

    [HttpPost("update")]
    [SwaggerOperation(Summary = "디바이스 수정", Description = "앱 실행 시 디바이스 정보를 업데이트합니다.")]
    public async Task<IActionResult> UpdateAsync([FromBody] DeviceUpdateRequestDto request)
    {
        var serviceId = GetServiceId();
        await _deviceService.UpdateAsync(serviceId, request);
        return Ok(ApiResponse.Success());
    }

    [HttpPost("delete")]
    [SwaggerOperation(Summary = "디바이스 삭제", Description = "앱 삭제/로그아웃 시 디바이스를 비활성화합니다.")]
    public async Task<IActionResult> DeleteAsync([FromBody] DeviceDeleteRequestDto request)
    {
        var serviceId = GetServiceId();
        await _deviceService.DeleteAsync(serviceId, request);
        return Ok(ApiResponse.Success());
    }

    [HttpPost("tags")]
    [SwaggerOperation(Summary = "태그 설정", Description = "디바이스 태그를 설정합니다. 빈 배열 전달 시 모든 태그 해제.")]
    public async Task<IActionResult> SetTagsAsync([FromBody] DeviceTagsRequestDto request)
    {
        var serviceId = GetServiceId();
        await _deviceService.SetTagsAsync(serviceId, request);
        return Ok(ApiResponse.Success());
    }

    [HttpPost("agree")]
    [SwaggerOperation(Summary = "동의 설정", Description = "푸시/마케팅 수신 동의를 설정합니다.")]
    public async Task<IActionResult> SetAgreeAsync([FromBody] DeviceAgreeRequestDto request)
    {
        var serviceId = GetServiceId();
        await _deviceService.SetAgreeAsync(serviceId, request);
        return Ok(ApiResponse.Success());
    }

    [HttpPost("admin/delete")]
    [Authorize]
    [SwaggerOperation(Summary = "관리자 기기 삭제", Description = "관리자가 기기를 삭제(비활성화)합니다. 삭제 즉시 발송이 차단됩니다. JWT 인증 필요.")]
    public async Task<IActionResult> AdminDeleteAsync([FromBody] DeviceDeleteRequestDto request)
    {
        await _deviceService.AdminDeleteAsync(request.DeviceId);
        return Ok(ApiResponse.Success());
    }

    [HttpPost("list")]
    [Authorize]
    [SwaggerOperation(Summary = "디바이스 목록", Description = "대시보드에서 디바이스 목록을 조회합니다. JWT 인증 필요.")]
    public async Task<IActionResult> GetListAsync([FromBody] DeviceListRequestDto request)
    {
        var serviceId = GetOptionalServiceId();
        var result = await _deviceService.GetListAsync(serviceId, request);
        return Ok(ApiResponse<DeviceListResponseDto>.Success(result));
    }

    [HttpPost("export")]
    [Authorize]
    [SwaggerOperation(Summary = "기기 엑셀 내보내기", Description = "목록 필터와 동일 조건으로 기기 목록을 엑셀(.xlsx)로 내보냅니다. JWT 인증 필요.")]
    public async Task<IActionResult> ExportAsync([FromBody] DeviceExportRequestDto request)
    {
        var serviceId = GetOptionalServiceId();
        var fileBytes = await _deviceService.ExportAsync(serviceId, request);
        var fileName = $"device_export_{DateTime.UtcNow:yyyyMMdd}.xlsx";
        return File(fileBytes, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", fileName);
    }

    private long GetServiceId()
    {
        if (HttpContext.Items.TryGetValue("ServiceId", out var serviceIdObj) && serviceIdObj is long serviceId)
            return serviceId;

        throw new Domain.Exceptions.SpmsException(ErrorCodes.BadRequest, "서비스 식별 정보가 없습니다.", 400);
    }

    private long? GetOptionalServiceId()
    {
        if (HttpContext.Items.TryGetValue("ServiceId", out var obj) && obj is long id)
            return id;
        return null;
    }
}