import PasswordResetRepository from "../repository/passwordReset.repository.js";
import PasswordResetService from "../services/passwordReset.service.js";
// import EmailService from "../services/email.service.js";
import logger from "../config/logger.js";

const passwordResetService = new PasswordResetService(
    new PasswordResetRepository(),
    // new EmailService({
    //     host: process.env.SMTP_HOST,
    //     port: process.env.SMTP_PORT,
    //     user: process.env.SMTP_USER,
    //     pass: process.env.SMTP_PASS,
    //     from: process.env.EMAIL_FROM,
    // })
);

// VA: Request password reset
async function va_request_password_reset(req, res) {
    try {
        const { email } = req.body;
        if (!email) {
            return res.status(400).json({ success: false, message: "Email is required" });
        }

        const result = await passwordResetService.requestPasswordReset(email, 'va');
        logger.info(`VA password reset requested for: ${email}`);
        return res.status(200).json(result);

    } catch (error) {
        logger.error(`VA PasswordResetController - Request error: ${error.message}`);
        return res.status(500).json({ success: false, message: "Failed to process password reset request" });
    }
}

// Client: Request password reset
async function client_request_password_reset(req, res) {
    try {
        const { email } = req.body;
        if (!email) {
            return res.status(400).json({ success: false, message: "Email is required" });
        }

        const result = await passwordResetService.requestPasswordReset(email, 'client');
        logger.info(`Client password reset requested for: ${email}`);
        return res.status(200).json(result);

    } catch (error) {
        logger.error(`Client PasswordResetController - Request error: ${error.message}`);
        return res.status(500).json({ success: false, message: "Failed to process password reset request" });
    }
}

// Render reset password form (shared for both VA and Client)
async function render_reset_form(req, res) {
    try {
        const { token, userType } = req.query;

        if (!token || !userType) {
            return res.render('auth/reset-password-error', { error: 'Reset token or user type is missing', userType: userType || 'va' });
        }

        // Validate token
        const validation = await passwordResetService.validateResetToken(token, userType);

        if (!validation.valid) {
            return res.render('auth/reset-password-error', { error: validation.message, userType: userType || 'va' });
        }

        // Render reset form with token
        res.render('auth/reset-password-form', { token, userType, error: null });

    } catch (error) {
        logger.error(`PasswordResetController - Render form error: ${error.message}`);
        res.render('auth/reset-password-error', { error: 'Failed to load reset form' });
    }
}

// Process password reset form submission (shared for both VA and Client)
async function process_reset(req, res) {
    try {
        const { token, password, confirmPassword, userType } = req.body;

        if (!token || !password || !confirmPassword || !userType) {
            return res.render('auth/reset-password-form', {
                token, userType, error: 'All fields are required'
            });
        }

        if (password !== confirmPassword) {
            return res.render('auth/reset-password-form', {
                token, userType, error: 'Passwords do not match'
            });
        }

        if (password.length < 6) {
            return res.render('auth/reset-password-form', {
                token, userType, error: 'Password must be at least 6 characters long'
            });
        }

        // Reset password
        await passwordResetService.resetPassword(token, password, userType);

        // Render success page
        res.render('auth/reset-password-success', {userType});

    } catch (error) {
        logger.error(`PasswordResetController - Process reset error: ${error.message}`);
        res.render('auth/reset-password-form', {
            token: req.body.token,
            userType: req.body.userType,
            error: error.message
        });
    }
}

export {
    va_request_password_reset,
    client_request_password_reset,
    render_reset_form,
    process_reset
};