SPMS_API/SPMS.API/Controllers/MessageController.cs

using Microsoft.AspNetCore.Mvc;
using Swashbuckle.AspNetCore.Annotations;
using SPMS.Application.DTOs.Message;
using SPMS.Application.Interfaces;
using SPMS.Domain.Common;
using SPMS.Domain.Exceptions;

namespace SPMS.API.Controllers;

[ApiController]
[Route("v1/in/message")]
[ApiExplorerSettings(GroupName = "message")]
public class MessageController : ControllerBase
{
    private readonly IMessageValidationService _validationService;
    private readonly IMessageService _messageService;

    public MessageController(IMessageValidationService validationService, IMessageService messageService)
    {
        _validationService = validationService;
        _messageService = messageService;
    }

    [HttpPost("save")]
    [SwaggerOperation(Summary = "메시지 저장", Description = "메시지 템플릿을 저장합니다. 메시지 코드가 자동 생성됩니다.")]
    public async Task<IActionResult> SaveAsync([FromBody] MessageSaveRequestDto request)
    {
        var serviceId = GetServiceId();
        var adminId = GetAdminId();
        var result = await _messageService.SaveAsync(serviceId, adminId, request);
        return Ok(ApiResponse<MessageSaveResponseDto>.Success(result, "메시지 저장 성공"));
    }

    [HttpPost("list")]
    [SwaggerOperation(Summary = "메시지 목록 조회", Description = "서비스별 메시지 목록을 페이지 단위로 조회합니다.")]
    public async Task<IActionResult> GetListAsync([FromBody] MessageListRequestDto request)
    {
        var serviceId = GetServiceId();
        var result = await _messageService.GetListAsync(serviceId, request);
        return Ok(ApiResponse<MessageListResponseDto>.Success(result));
    }

    [HttpPost("info")]
    [SwaggerOperation(Summary = "메시지 상세 조회", Description = "메시지 코드로 상세 정보를 조회합니다. 템플릿 변수 목록을 포함합니다.")]
    public async Task<IActionResult> GetInfoAsync([FromBody] MessageInfoRequestDto request)
    {
        var serviceId = GetServiceId();
        var result = await _messageService.GetInfoAsync(serviceId, request);
        return Ok(ApiResponse<MessageInfoResponseDto>.Success(result));
    }

    [HttpPost("delete")]
    [SwaggerOperation(Summary = "메시지 삭제", Description = "메시지를 소프트 삭제합니다. 30일 후 스케줄러에 의해 완전 삭제됩니다.")]
    public async Task<IActionResult> DeleteAsync([FromBody] MessageDeleteRequestDto request)
    {
        var serviceId = GetServiceId();
        await _messageService.DeleteAsync(serviceId, request);
        return Ok(ApiResponse<object?>.Success(null, "메시지 삭제 성공"));
    }

    [HttpPost("validate")]
    [SwaggerOperation(Summary = "메시지 유효성 검사", Description = "메시지 내용의 유효성을 검사합니다.")]
    public IActionResult ValidateAsync([FromBody] MessageValidateRequestDto request)
    {
        var result = _validationService.Validate(request);
        return Ok(ApiResponse<MessageValidationResultDto>.Success(result));
    }

    [HttpPost("preview")]
    [SwaggerOperation(Summary = "메시지 미리보기", Description = "메시지 템플릿에 변수를 치환하여 미리보기를 생성합니다.")]
    public async Task<IActionResult> PreviewAsync([FromBody] MessagePreviewRequestDto request)
    {
        var serviceId = GetServiceId();
        var result = await _messageService.PreviewAsync(serviceId, request);
        return Ok(ApiResponse<MessagePreviewResponseDto>.Success(result));
    }

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

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

    private long GetAdminId()
    {
        var adminIdClaim = User.FindFirst("adminId")?.Value;
        if (string.IsNullOrEmpty(adminIdClaim) || !long.TryParse(adminIdClaim, out var adminId))
            throw new SpmsException(ErrorCodes.Unauthorized, "인증 정보가 올바르지 않습니다.", 401);

        return adminId;
    }
}