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

// Get recent chat messages within a specified time range
func NewRecentChatMessageLogic(ctx context.Context, svcCtx *svc.ServiceContext) *RecentChatMessageLogic {
	return &RecentChatMessageLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *RecentChatMessageLogic) RecentChatMessage(req *types.RecentChatMessageReq) (resp *types.RecentChatMessageResp, err error) {
	query := `
		SELECT steamid64, player_name, message, 
			EXTRACT(EPOCH FROM message_time)::BIGINT * 1000 as timestamp,
			server_name, mapname, server_ip, server_port
		FROM steam_union.chat_log
		WHERE message_time >= TO_TIMESTAMP($1 / 1000.0) 
			AND message_time <= TO_TIMESTAMP($2 / 1000.0)
		ORDER BY message_time DESC
		LIMIT $3
	`

	rows, err := l.svcCtx.DB.QueryContext(l.ctx, query, req.TimeRangeStart, req.TimeRangeEnd, req.Limit)
	if err != nil {
		l.Errorf("Failed to query recent chat messages: %v", err)
		return nil, err
	}
	defer rows.Close()

	var messages []types.RecentChatMessageRespMessage
	for rows.Next() {
		var msg types.RecentChatMessageRespMessage
		if err := rows.Scan(&msg.SteamID64, &msg.UserName, &msg.Message, &msg.TimeStamp,
			&msg.ServerName, &msg.MapName, &msg.ServerIP, &msg.ServerPort); err != nil {
			l.Errorf("Failed to scan chat message: %v", err)
			continue
		}
		messages = append(messages, msg)
	}

	return &types.RecentChatMessageResp{
		Messages: messages,
	}, nil
}