package logic

import (
	"context"

	"git.cialloo.com/CiallooWeb/ServerStatistics/app/internal/svc"
	"git.cialloo.com/CiallooWeb/ServerStatistics/app/internal/types"

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

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

// Get total playtime within a specified time range
func NewTotalPlayTimeLogic(ctx context.Context, svcCtx *svc.ServiceContext) *TotalPlayTimeLogic {
	return &TotalPlayTimeLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *TotalPlayTimeLogic) TotalPlayTime(req *types.TotalPlayTimeReq) (resp *types.TotalPlayTimeResp, err error) {
	query := `
		SELECT COALESCE(SUM(duration), 0)
		FROM steam_union.connection_log
		WHERE connection_type = 2
			AND log_time >= TO_TIMESTAMP($1 / 1000.0)
			AND log_time <= TO_TIMESTAMP($2 / 1000.0)
			AND steamid64 > 1
	`

	var totalTime int64
	err = l.svcCtx.DB.QueryRowContext(l.ctx, query, req.TimeRangeStart, req.TimeRangeEnd).Scan(&totalTime)
	if err != nil {
		l.Errorf("Failed to query total playtime: %v", err)
		return nil, err
	}

	return &types.TotalPlayTimeResp{
		TotalPlayTime: totalTime,
	}, nil
}