import { MailerModule } from '@nestjs-modules/mailer';
import { Module } from '@nestjs/common';
import { ConfigModule, ConfigService } from '@nestjs/config';
import { join } from 'path';
import * as Joi from 'joi';
import { HandlebarsAdapter } from '@nestjs-modules/mailer/dist/adapters/handlebars.adapter';

@Module({
    imports: [
        ConfigModule.forRoot({
            isGlobal: true,
            validationSchema: Joi.object({
                MAIL_USER: Joi.string().required(),
                MAIL_PASS: Joi.string().required(),
            }),
        }),

        MailerModule.forRootAsync({
            imports: [ConfigModule],
            useFactory: (configService: ConfigService) => {
                const templatePath = join(__dirname, '../../..', 'public', 'mail-templates');
                console.log('Resolved mail template path:', templatePath);
 
                return {
                    transport: {
                        host: 'smtp.gmail.com',
                        port: 587,
                        secure: false,
                        auth: {
                            user: configService.get<string>('MAIL_USER'),
                            pass: configService.get<string>('MAIL_PASS'),
                        },
                    },
                    defaults: {
                        from: `"Carnet APP" <${configService.get<string>('MAIL_USER')}>`,
                    },
                    template: {
                        dir: templatePath,
                        adapter: new HandlebarsAdapter(),
                        options: {
                            strict: true,
                        },
                    },
                };
            },
            inject: [ConfigService],
        }),
    ],
})

export class MailModule { }