package migrate

import (
	"context"
	"embed"
	"fmt"
	"sort"
	"strings"

	"ai-service/internal/store"
)

//go:embed sql/*.up.sql
var migrationFiles embed.FS

func Up(ctx context.Context, db *store.Store) error {
	entries, err := migrationFiles.ReadDir("sql")
	if err != nil {
		return err
	}
	var names []string
	for _, entry := range entries {
		if !entry.IsDir() && strings.HasSuffix(entry.Name(), ".up.sql") {
			names = append(names, entry.Name())
		}
	}
	sort.Strings(names)
	for _, name := range names {
		body, err := migrationFiles.ReadFile("sql/" + name)
		if err != nil {
			return err
		}
		if err := db.Exec(ctx, string(body)); err != nil {
			return fmt.Errorf("%s: %w", name, err)
		}
	}
	return nil
}