using Application.Dto.Icon;
using Application;
using Service.IconSearch;

namespace WebApi.Controllers;

/// <summary>
/// 图标管理控制器
/// </summary>
[ApiController]
[Route("api/icons")]
public class IconController(
    IIconSearchService iconSearchService,
    ILogger<IconController> logger
) : ControllerBase
{
    /// <summary>
    /// 生成搜索关键字
    /// </summary>
    /// <param name="request">搜索关键字生成请求</param>
    /// <returns>搜索关键字生成响应</returns>
    [HttpPost("search-keywords")]
    public async Task<BaseResponse<SearchKeywordsResponse>> GenerateSearchKeywordsAsync(
        [FromBody] SearchKeywordsRequest request)
    {
        var keywords = await iconSearchService.GenerateSearchKeywordsAsync(request.CategoryName);
        logger.LogInformation("为分类 {CategoryName} 生成了 {Count} 个搜索关键字",
            request.CategoryName, keywords.Count);

        return new SearchKeywordsResponse { Keywords = keywords }.Ok();
    }

    /// <summary>
    /// 搜索图标
    /// </summary>
    /// <param name="request">搜索图标请求</param>
    /// <returns>图标候选列表响应</returns>
    [HttpPost("search")]
    public async Task<BaseResponse<List<IconCandidateDto>>> SearchIconsAsync(
        [FromBody] SearchIconsRequest request)
    {
        var icons = await iconSearchService.SearchIconsAsync(request.Keywords, limit: 20);
        logger.LogInformation("搜索到 {Count} 个图标候选", icons.Count);

        var iconDtos = icons.Select(i => new IconCandidateDto
        {
            CollectionName = i.CollectionName,
            IconName = i.IconName,
            IconIdentifier = i.IconIdentifier
        }).ToList();

        return iconDtos.Ok();
    }

    /// <summary>
    /// 更新分类图标
    /// </summary>
    /// <param name="categoryId">分类ID</param>
    /// <param name="request">更新分类图标请求</param>
    /// <returns>操作结果</returns>
    [HttpPut("categories/{categoryId}/icon")]
    public async Task<BaseResponse> UpdateCategoryIconAsync(
        long categoryId,
        [FromBody] UpdateCategoryIconRequest request)
    {
        await iconSearchService.UpdateCategoryIconAsync(categoryId, request.IconIdentifier);
        logger.LogInformation("更新分类 {CategoryId} 的图标为 {IconIdentifier}",
            categoryId, request.IconIdentifier);

        return "更新分类图标成功".Ok();
    }
}