using F9WebAiTest.Application.Common;
using F9WebAiTest.Application.Common.Exceptions;
using F9WebAiTest.Application.CQRS.SYS.Registries.Commands;
using F9WebAiTest.Application.CQRS.SYS.Registries.Queries;
using MediatR;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;

namespace F9WebAiTest.Api.Controllers;

/// <summary>注册表（参数配置）管理：按"命名空间 + 键名"维护配置值，供各业务模块读取</summary>
[ApiController]
[Route("api/sys/registry")]
[Authorize]
public class SysRegistryController : ControllerBase
{
    private readonly IMediator _mediator;
    public SysRegistryController(IMediator mediator) => _mediator = mediator;

    /// <summary>全部配置项（含未启用），用于列表页构建命名空间树</summary>
    [HttpGet]
    public async Task<IActionResult> GetAll()
        => Ok(ApiResult<object>.Ok(await _mediator.Send(new GetRegistryAllQuery())));

    /// <summary>按命名空间 + 键名查询（业务模块取值入口，未配置时返回 data=null）</summary>
    [HttpGet("by-key")]
    public async Task<IActionResult> GetByCategoryAndKey([FromQuery] string category, [FromQuery] string keyName)
    {
        var result = await _mediator.Send(new GetByCategoryAndKeyQuery(category ?? string.Empty, keyName ?? string.Empty));
        return Ok(result == null
            ? ApiResult<object>.Ok(null, $"未找到命名空间[{category}]下键[{keyName}]的配置")
            : ApiResult<object>.Ok(result));
    }

    [HttpGet("{id}")]
    public async Task<IActionResult> GetById(long id)
    {
        try { return Ok(ApiResult<object>.Ok(await _mediator.Send(new GetRegistryByIdForEditQuery(id)))); }
        catch (F9NotFoundException ex) { return NotFound(ApiResult<object>.Fail(ex.Message, 404)); }
        catch (F9OperationException ex) { return BadRequest(ApiResult<object>.Fail(ex.Message, 400)); }
    }

    /// <summary>新增配置项（已存在同"命名空间 + 键名"时自动更新）</summary>
    [HttpPost]
    public async Task<IActionResult> Create([FromBody] Registry_CreateCommand command)
    {
        try { return Ok(ApiResult<object>.Ok(new { id = await _mediator.Send(command) }, "保存成功")); }
        catch (F9NotFoundException ex) { return NotFound(ApiResult<object>.Fail(ex.Message, 404)); }
        catch (F9OperationException ex) { return BadRequest(ApiResult<object>.Fail(ex.Message, 400)); }
    }

    [HttpPut("{id}")]
    public async Task<IActionResult> Update(long id, [FromBody] Registry_UpdateCommand command)
    {
        try { return Ok(ApiResult<object>.Ok(await _mediator.Send(command with { Id = id }), "修改成功")); }
        catch (F9NotFoundException ex) { return NotFound(ApiResult<object>.Fail(ex.Message, 404)); }
        catch (F9OperationException ex) { return BadRequest(ApiResult<object>.Fail(ex.Message, 400)); }
    }

    /// <summary>只修改值</summary>
    [HttpPut("{id}/value")]
    public async Task<IActionResult> SetValue(long id, [FromBody] Registry_SetValueCommand command)
    {
        try { return Ok(ApiResult<object>.Ok(await _mediator.Send(command with { Id = id }), "修改成功")); }
        catch (F9NotFoundException ex) { return NotFound(ApiResult<object>.Fail(ex.Message, 404)); }
        catch (F9OperationException ex) { return BadRequest(ApiResult<object>.Fail(ex.Message, 400)); }
    }

    [HttpDelete("{id}")]
    public async Task<IActionResult> Delete(long id)
    {
        try { return Ok(ApiResult<object>.Ok(await _mediator.Send(new Registry_DelCommand(id)), "删除成功")); }
        catch (F9NotFoundException ex) { return NotFound(ApiResult<object>.Fail(ex.Message, 404)); }
        catch (F9OperationException ex) { return BadRequest(ApiResult<object>.Fail(ex.Message, 400)); }
    }
}