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

// Get the list of monitored game servers
func NewServerListLogic(ctx context.Context, svcCtx *svc.ServiceContext) *ServerListLogic {
	return &ServerListLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *ServerListLogic) ServerList(req *types.ServerListReq) (resp []types.ServerListResp, err error) {
	// Query to select all servers from the database
	query := `SELECT name, ip, port, category, bot_count, human_count, mapname FROM server ORDER BY id`

	rows, err := l.svcCtx.DB.Query(query)
	if err != nil {
		l.Logger.Errorf("Failed to query servers: %v", err)
		return nil, err
	}
	defer rows.Close()

	// Iterate through the results and build the response
	for rows.Next() {
		var server types.ServerListResp
		err = rows.Scan(
			&server.ServerName,
			&server.ServerIP,
			&server.ServerPort,
			&server.Category,
			&server.BotCount,
			&server.HumanCount,
			&server.MapName,
		)
		if err != nil {
			l.Logger.Errorf("Failed to scan server row: %v", err)
			return nil, err
		}
		resp = append(resp, server)
	}

	// Check for any error that occurred during iteration
	if err = rows.Err(); err != nil {
		l.Logger.Errorf("Error iterating through server rows: %v", err)
		return nil, err
	}

	return resp, nil
}