//go:build ignore

package main

import (
	"database/sql"
	"fmt"
	"os"
	"strings"

	_ "github.com/go-sql-driver/mysql"
)

func main() {
	dsn := strings.TrimPrefix(os.Getenv("IM_MYSQL_DSN"), "mysql://")
	if dsn == "" {
		fatal("IM_MYSQL_DSN is required")
	}
	db, err := sql.Open("mysql", dsn)
	if err != nil {
		fatal(err)
	}
	defer db.Close()
	if err = db.Ping(); err != nil {
		fatal(err)
	}
	var schema string
	if err = db.QueryRow("SELECT DATABASE()").Scan(&schema); err != nil {
		fatal(err)
	}
	if strings.TrimSpace(schema) == "" {
		fatal("IM_MYSQL_DSN must select a tenant database")
	}

	tables := []string{
		"im_group_settings",
		"im_group_members",
		"im_group_invitations",
		"im_group_join_requests",
		"im_group_announcements",
		"im_group_announcement_reads",
		"im_group_mutes",
		"im_group_qrcodes",
		"im_group_files",
		"im_group_admin_logs",
		"im_group_idempotency",
		"im_group_events_outbox",
	}
	for _, table := range tables {
		var count int
		err = db.QueryRow(`SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA=? AND TABLE_NAME=?`, schema, table).Scan(&count)
		if err != nil {
			fatal(err)
		}
		status := "missing"
		if count == 1 {
			status = "ok"
		}
		fmt.Printf("%s: %s\n", table, status)
	}
}

func fatal(v any) {
	fmt.Fprintln(os.Stderr, v)
	os.Exit(1)
}