'use client'

import axios from 'axios'


//let accessToken = localStorage.getItem('access') ? localStorage.getItem('access') : null
function setCookieFn(name:string, value:string, daysToExpire:number) {
    const expires = new Date();
    expires.setTime(expires.getTime() + (daysToExpire * 24 * 60 * 60 * 1000));
    document.cookie = `${name}=${value};expires=${expires.toUTCString()};path=/`;
}

const axiosInstance = axios.create({
    baseURL: `${process.env.NEXT_PUBLIC_API_URL}/`,
    timeout: 10000,
    headers: {
        'Content-Type': 'application/json',
        //'Authorization': `Bearer ${accessToken}`,
    }
});

axiosInstance.interceptors.request.use(async req => {
    const accessT = localStorage.getItem('admin_at')
    req.headers.Authorization = `Bearer ${accessT}`
    return req
})

axiosInstance.interceptors.response.use((response)=> {
    return response
}, async (error) =>{

    const originalRequest = error.config;

    if (error.response.status === 401 && !originalRequest._retry) {

        originalRequest._retry = true; // Prevent infinite loops

        try {

            if (localStorage.getItem('admin_rt') != 'undefined'){
                const res = await fetch(`${process.env.NEXT_PUBLIC_API_URL}/auth/refresh-token/`, {
                    method: "POST",
                    headers: {
                        'Content-Type': 'application/json; charset=UTF-8',
                    },
                    body: JSON.stringify({
                        'refresh': localStorage.getItem('admin_rt')
                    })
                });

                if(res.status==200){
                    setCookieFn('isAuth', 'true', 365)
                    const tokenData = await res.json()
                    localStorage.setItem('admin_at', tokenData.access)
                    localStorage.setItem('admin_rt',tokenData.refresh)
                    originalRequest.headers.Authorization = `Bearer ${tokenData.access}`
                    return axiosInstance(originalRequest)
                }else{

                }
            } else {

                localStorage.removeItem('admin_at');
                localStorage.removeItem('admin_rt');
                document.cookie = "isAuth=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/;";
                setTimeout(()=>{
                    window.location.replace('/login')
                }, 200)

            }

        } catch(refreshError) {

            localStorage.removeItem('admin_at');
            localStorage.removeItem('admin_rt');
            document.cookie = "isAuth=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/;";
            setTimeout(()=>{
                window.location.replace('/login')
            }, 200)

            throw refreshError;
        }
    }

    // Return a Promise rejection if the status code is not 401
    return Promise.reject(error);

});

export default axiosInstance