package logic

import (
	"context"
	"fmt"
	"github.com/furryboard/spider-scheduler/pkg/dao"
	"github.com/furryboard/spider-scheduler/pkg/dao/model"
	"github.com/furryboard/spider-scheduler/pkg/exception"
	"github.com/furryboard/spider-scheduler/rpc"
	"github.com/furryboard/spider-scheduler/rpc/pb"
	"gorm.io/gorm"
	"time"
)

// SearchNewestVideos b站搜索 最新发布排序 仅搜索视频
func SearchNewestVideos(keyword, cookie string, page uint) ([]*pb.SearchVideoResult, error) {
	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
	defer cancel()
	info, err := rpc.SpiderCore().SearchVideo(ctx, &pb.SearchVideoReq{
		Keyword: keyword,
		Order:   "pubdate",
		Page:    uint32(page),
		Cookie:  cookie,
	})
	if err != nil {
		return nil, exception.InternalError("获取最新视频搜索信息失败：" + err.Error())
	}

	if info.Code != 200 { // -400 -411请求被拦截
		if info.Msg == "" {
			info.Msg = "Unknown"
		}
		return nil, exception.ErrSearchVideo(
			fmt.Sprintf("最新视频搜索信息[keyword=%s]获取失败：%s(Code: %d)", keyword, info.Msg, info.Code))
	}
	return info.Data.Result, nil

}

func UpdateVideoCheckpoint(value string) error {
	return AddOrUpdateMetadata("SearchVideoCheckpoint", value)
}

// SearchLiveRooms b站搜索 默认排序 仅搜索直播间
func SearchLiveRooms(keyword, cookie string, page uint) ([]*pb.SearchLiveRoomResult, error) {
	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
	defer cancel()
	info, err := rpc.SpiderCore().SearchLiveRoom(ctx, &pb.SearchLiveRoomReq{
		Keyword: keyword,
		Order:   "online",
		Page:    uint32(page),
		Cookie:  cookie,
	})
	if err != nil {
		return nil, exception.InternalError("获取直播间搜索信息失败：" + err.Error())
	}

	if info.Code != 200 {
		if info.Msg == "" {
			info.Msg = "Unknown"
		}
		return nil, exception.ErrSearchLiveRoom(
			fmt.Sprintf("直播间搜索信息[keyword=%s]获取失败：%s(Code: %d)", keyword, info.Msg, info.Code))
	}
	return info.Data.Result, nil
}

func GetLiveRoomPageNum(keyword, cookie string) (int, error) {
	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
	defer cancel()
	info, err := rpc.SpiderCore().SearchLiveRoom(ctx, &pb.SearchLiveRoomReq{
		Keyword: keyword,
		Order:   "online",
		Page:    1,
		Cookie:  cookie,
	})
	if err != nil {
		return 0, exception.InternalError("获取直播间搜索信息失败：" + err.Error())
	}

	if info.Code != 200 {
		if info.Msg == "" {
			info.Msg = "Unknown"
		}
		return 0, exception.ErrSearchLiveRoom(
			fmt.Sprintf("直播间搜索信息[keyword=%s]获取失败：%s(Code: %d)", keyword, info.Msg, info.Code))
	}

	return int(info.Data.NumPages), nil
}

// GetLiveRoomByRoomID 通过room_id从数据库查询直播间信息 返回值不为nil
func GetLiveRoomByRoomID(roomID uint64) (*model.LiveRoom, error) {
	var room model.LiveRoom
	tx := dao.DB().Model(&model.LiveRoom{}).Where("room_id = ?", roomID).Find(&room)
	if tx.Error != nil {
		return &room, tx.Error
	}
	return &room, nil
}

func UpdateLiveRoomInfo(rooms []*pb.SearchLiveRoomResult) (int, error) {
	err := dao.DB().Transaction(func(tx *gorm.DB) error {
		for _, room := range rooms {
			roomInfo, err := GetLiveRoomByRoomID(room.Roomid)
			if err != nil {
				return err
			}
			roomInfo.RoomID = uint(room.Roomid)
			roomInfo.Title = room.Title
			roomInfo.Tags = room.Tags
			if err = tx.Save(roomInfo).Error; err != nil {
				return err
			}
		}
		return nil
	})
	if err != nil {
		return 0, err
	}

	err = dao.DB().Transaction(func(tx *gorm.DB) error {
		for _, room := range rooms {
			exists, err := IsUserExistsByUID(uint(room.Uid))
			if err != nil {
				return err
			}
			if !exists {
				tx.Create(&model.Furry{
					UID:        uint(room.Uid),
					Name:       room.Uname,
					Status:     model.StatusPendingLive,
					LiveRoomID: uint(room.Roomid),
				})
				continue
			}
			if err = tx.Model(&model.Furry{}).Where("uid = ?", room.Uid).Update("live_room_id", room.Roomid).Error; err != nil {
				return err
			}
		}
		return nil
	})
	if err != nil {
		return 0, err
	}

	return len(rooms), nil
}