package app

import (
	"context"

	"qnc-server/app/main/api/internal/svc"
	"qnc-server/app/main/api/internal/types"
	"qnc-server/app/main/model"

	"github.com/zeromicro/go-zero/core/logx"
)

type GetHomeDynamicDataLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

func NewGetHomeDynamicDataLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetHomeDynamicDataLogic {
	return &GetHomeDynamicDataLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *GetHomeDynamicDataLogic) GetHomeDynamicData(req *types.GetHomeDynamicDataReq) (resp *types.GetHomeDynamicDataResp, err error) {
	// 1. 获取真实查询案例 (支持增量查询)
	// 增加日志输出，方便调试
	l.Infof("获取首页动态数据, lastId: %d", req.LastId)

	builder := l.svcCtx.InquiryRecordModel.SelectBuilder().Where("status = ?", 1)

	var records []*model.InquiryRecord
	if req.LastId > 0 {
		// 增量获取大于 lastId 的记录
		records, err = l.svcCtx.InquiryRecordModel.FindPageListByIdASC(l.ctx, builder, req.LastId, 50)
	} else {
		// 首次加载获取最新的 10 条
		records, err = l.svcCtx.InquiryRecordModel.FindPageListByPage(l.ctx, builder, 1, 10, "id DESC")
	}

	if err != nil {
		l.Errorf("查询查询记录失败: %v", err)
	}

	cases := make([]types.InquiryRecordItem, 0)
	if err == nil && len(records) > 0 {
		for _, r := range records {
			cases = append(cases, types.InquiryRecordItem{
				Id:    r.Id,
				Tag:   r.InquiryTag,
				Vin:   r.VinMasked,
				Model: r.CarModel,
			})
		}
	} else {
		// 如果数据库没有数据或查询失败，返回一些兜底的 Mock 数据，确保前端有展示
		if req.LastId == 0 {
			l.Info("使用兜底 Mock 案例数据")
			mockCases := []struct {
				Id    int64
				Tag   string
				Vin   string
				Model string
			}{
				{1, "查询成功", "湘A·12345", "奔驰GLC"},
				{2, "查询成功", "粤B·67890", "丰田凯美瑞"},
				{3, "查询成功", "京A·00011", "特斯拉ModelY"},
				{4, "查询成功", "苏E·88888", "大众迈腾"},
				{5, "查询成功", "沪A·87654", "宝马325"},
			}
			for _, m := range mockCases {
				cases = append(cases, types.InquiryRecordItem{
					Id:    m.Id,
					Tag:   m.Tag,
					Vin:   m.Vin,
					Model: m.Model,
				})
			}
		}
	}

	// 2. 评价数据不再从后端返回，改为前端硬编码
	reviews := make([]types.ReviewItem, 0)

	return &types.GetHomeDynamicDataResp{
		Cases:   cases,
		Reviews: reviews,
	}, nil
}