import { Module } from '@nestjs/common';
import { JwtModule } from '@nestjs/jwt';
import { PassportModule } from '@nestjs/passport';
import { ConfigModule, ConfigService } from '@nestjs/config';
import { AuthController } from './auth.controller';
import { AuthService } from './auth.service';
import { JwtStrategy } from './strategies/jwt.strategy';
import { PrismaModule } from '../prisma/prisma.module';

@Module({
    imports: [
        PrismaModule, // ✅ Important: Import PrismaModule
        ConfigModule,
        PassportModule,
        JwtModule.registerAsync({
            inject: [ConfigService],
            useFactory: (config: ConfigService) => ({
                secret: getJwtSecret(config),
                signOptions: {
                    expiresIn: config.get('JWT_EXPIRES_IN') || '7d',
                },
            }),
        }),
    ],
    controllers: [AuthController],
    providers: [AuthService, JwtStrategy],
    exports: [AuthService],
})
export class AuthModule { }

function getJwtSecret(config: ConfigService): string {
    const secret = config.get<string>('JWT_SECRET');
    if (!secret || secret.length < 32) {
        throw new Error('JWT_SECRET must be set to at least 32 characters.');
    }
    return secret;
}