'use server';

import { cookies } from 'next/headers';
import { ResultDto } from '@/dtos/response/common';
import { LoginRequest, RegisterRequest, VerifyEmailRequest, ResendEmailRequest, ForgotPasswordRequest, ResetPasswordRequest } from '@/dtos/request/auth';
import { LoginResponse } from '@/dtos/response/auth';
import { fetchJson, getAccessToken, getRefreshToken } from '@/lib/utils/server';

// 로그인
export async function fetchLogin(request: LoginRequest): Promise<ResultDto<LoginResponse>> {
	const res = await fetchJson<LoginResponse>('/api/auth/login', {
        method: 'POST',
        body: JSON.stringify(request)
    });

    if (res.success && res.data) {
        const cookie = await cookies();
		const option = {
            httpOnly: true, path: '/'
        };

        cookie.set('accessToken', res.data.accessToken, option);
        cookie.set('refreshToken', res.data.refreshToken, option);
    }

    return res;
}

// 로그아웃
export async function fetchLogout(): Promise<ResultDto> {
	const res = await fetchJson('/api/auth/logout', {
        method: 'POST'
    });

    if (res.success) {
        const cookie = await cookies();

        cookie.delete('accessToken');
        cookie.delete('refreshToken');
    }

    return res;
}

// 회원가입 요청
export async function fetchRegister(request: RegisterRequest): Promise<ResultDto> {
    return await fetchJson('/api/auth/register', {
        method: 'POST',
 		body: JSON.stringify(request)
    });
}

// 회원가입 완료
export async function Registration(email: string|null): Promise<ResultDto> {
	const cookie = (await cookies()).get('isVerified-Registration');

    return await fetchJson(`/api/auth/registration/${email}`, {
        method: 'GET',
		headers: {
			'Cookie': `isVerified-Registration=${cookie?.value || ""}`
		}
    });
}

// 비밀번호 찾기
export async function fetchForgotPassword(request: ForgotPasswordRequest): Promise<ResultDto> {
	return await fetchJson(`/api/auth/forgot-password`, {
		method: 'POST',
		body: JSON.stringify(request)
	});
}

// 인증번호 확인
export async function fetchVerifyEmail(request: VerifyEmailRequest): Promise<ResultDto> {
	return await fetchJson('/api/auth/verify-email', {
		method: 'POST',
		body: JSON.stringify(request)
	});
}

// 인증번호 다시 받기
export async function fetchResendEmail(params: ResendEmailRequest): Promise<ResultDto> {
	return await fetchJson('/api/auth/resend-email', {
		method: 'POST',
		body: JSON.stringify(params)
	});
}

// 비밀번호 변경
export async function fetchResetPassword(params: ResetPasswordRequest): Promise<ResultDto> {
	const cookie = (await cookies()).get('isVerified-ForgotPassword');

	return await fetchJson('/api/auth/reset-password', {
		method: 'POST',
		headers: {
			'Cookie': `isVerified-ForgotPassword=${cookie?.value || ""}`
		},
		body: JSON.stringify(params)
	});
}

// RefreshToken으로 AccessToken 갱신
export async function refreshAccessToken(): Promise<boolean>
{
	const refreshToken = await getRefreshToken();
	if (!refreshToken) {
		return false;
	}

    return await fetchJson('/api/auth/refresh-token', {
        method: 'POST',
        body: JSON.stringify({ RefreshToken: refreshToken })
    }).then(res => res.success);
}

// 로그인 확인
export async function checkAuthServer(): Promise<boolean>
{
	const accessToken = await getAccessToken();
	if (accessToken) {
		try {
			const payload = JSON.parse(
                Buffer.from(accessToken.split('.')[1], 'base64').toString()
            );

			if (payload.exp * 1000 > Date.now()) {
				return true;
			}
		} catch {

		}
	}

	return await refreshAccessToken();
}