//go:build integration

package app

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

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

func TestIntegrationMigrationsAreIdempotent(t *testing.T) {
	dsn := os.Getenv("GITOOCEAN_TEST_MYSQL_DSN")
	if dsn == "" {
		t.Skip("set GITOOCEAN_TEST_MYSQL_DSN to run integration migration tests")
	}
	cfg, err := mysql.ParseDSN(dsn)
	if err != nil {
		t.Fatal(err)
	}
	if cfg.DBName == "" || !strings.Contains(cfg.DBName, "test") {
		t.Fatalf("refusing to run integration test against non-test database %q", cfg.DBName)
	}
	db, err := openMySQLAndCreateDatabaseIfMissing(dsn)
	if err != nil {
		t.Fatal(err)
	}
	defer db.Close()
	if err := resetIntegrationDB(db); err != nil {
		t.Fatal(err)
	}
	if err := migrate(db); err != nil {
		t.Fatal(err)
	}
	if err := migrate(db); err != nil {
		t.Fatalf("second migrate should be idempotent: %v", err)
	}
	for _, table := range []string{"users", "auth_tokens", "repositories", "repository_collaborators", "pull_requests", "pull_request_comments"} {
		var name string
		if err := db.QueryRow("SHOW TABLES LIKE ?", table).Scan(&name); err != nil {
			t.Fatalf("expected table %s: %v", table, err)
		}
	}
}

func resetIntegrationDB(db *sql.DB) error {
	_, _ = db.Exec("SET FOREIGN_KEY_CHECKS=0")
	for _, table := range []string{"pull_request_comments", "pull_requests", "repository_collaborators", "auth_tokens", "repositories", "users"} {
		_, _ = db.Exec("DROP TABLE IF EXISTS " + quoteMySQLIdentifier(table))
	}
	_, err := db.Exec("SET FOREIGN_KEY_CHECKS=1")
	return err
}

func TestIntegrationAuthTokenLifecycle(t *testing.T) {
	dsn := os.Getenv("GITOOCEAN_TEST_MYSQL_DSN")
	if dsn == "" {
		t.Skip("set GITOOCEAN_TEST_MYSQL_DSN to run integration auth tests")
	}
	db, err := openMySQLAndCreateDatabaseIfMissing(dsn)
	if err != nil {
		t.Fatal(err)
	}
	defer db.Close()
	if err := resetIntegrationDB(db); err != nil {
		t.Fatal(err)
	}
	if err := migrate(db); err != nil {
		t.Fatal(err)
	}
	if err := createUserDirect(db, "alice@example.com", "alice", "password123", true); err != nil {
		t.Fatal(err)
	}
	s := &Server{db: db, storage: t.TempDir(), publicURL: "http://example.test"}
	token, expires, err := s.createToken(1)
	if err != nil {
		t.Fatal(err)
	}
	if time.Until(expires) < tokenTTL-time.Minute {
		t.Fatalf("unexpected expiry: %s", expires)
	}
	user, err := s.userFromToken(token, "alice")
	if err != nil {
		t.Fatal(err)
	}
	if user.Username != "alice" || !user.IsAdmin {
		t.Fatalf("unexpected user from token: %#v", user)
	}
	if _, err := db.Exec("UPDATE auth_tokens SET revoked_at = UTC_TIMESTAMP() WHERE token_hash = ?", hashToken(token)); err != nil {
		t.Fatal(err)
	}
	if _, err := s.userFromToken(token, "alice"); err == nil {
		t.Fatal("expected revoked token to be rejected")
	}
}