// Package testutil provides testing utilities for rdev-api.
package testutil

import (
	"context"
	"database/sql"
	"os"
	"testing"
	"time"

	_ "github.com/lib/pq" // PostgreSQL driver
)

// TestDB returns a database connection for testing.
// Uses TEST_DATABASE_URL or falls back to the standard local dev connection.
func TestDB(t *testing.T) *sql.DB {
	t.Helper()

	dsn := os.Getenv("TEST_DATABASE_URL")
	if dsn == "" {
		dsn = "postgres://appuser:localdev@localhost:5433/rdev?sslmode=disable"
	}

	db, err := sql.Open("postgres", dsn)
	if err != nil {
		t.Fatalf("open database: %v", err)
	}

	// Verify connection
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()

	if err := db.PingContext(ctx); err != nil {
		t.Skipf("database not available: %v", err)
	}

	t.Cleanup(func() {
		db.Close()
	})

	return db
}

// CleanupTestKeys removes all test keys from the database.
func CleanupTestKeys(t *testing.T, db *sql.DB) {
	t.Helper()

	_, err := db.Exec("DELETE FROM api_keys WHERE name LIKE 'test-%'")
	if err != nil {
		t.Fatalf("cleanup test keys: %v", err)
	}
}

// TimePtr returns a pointer to a time.Time.
func TimePtr(t time.Time) *time.Time {
	return &t
}

// MustParseTime parses a time string or panics.
func MustParseTime(layout, value string) time.Time {
	t, err := time.Parse(layout, value)
	if err != nil {
		panic(err)
	}
	return t
}