import axios from 'axios'

const apiBaseUrl = 'https://beta.juick.com'

/**
 * @typedef {object} Token
 * @property {string} type
 * @property {string} token
 */

/** 
 * @typedef { object } TagStats
 * @property { string } tag
 */
/**
 * @typedef {object} User
 * @property {string=} uname
 * @property {number} uid
 * @property {number=} unreadCount
 * @property {string=} avatar
 * @property {User[]=} read
 * @property {User[]=} readers
 * @property {number=} statsMyBL
 * @property {string=} uri
 */

/**
 * @typedef {object} SecureUserProperties
 * @property {string=} hash
 * @property {Token[]=} tokens
 * @property {string=} telegramName
 * @property {string=} twitterName
 * @property {string[]=} jids
 * @property {string[]=} emails
 * @property {string=} activeEmail
 * @property {{connected: boolean, crosspostEnabled: boolean}=} facebookStatus
 */

/**
 * @typedef {User & SecureUserProperties} SecureUser
 */

/**
 * @typedef {object} ChatProperties
 * @property {number=} unreadCount
 * @property {string=} lastMessageText
 */

/**
 * @typedef {User & ChatProperties} Chat
 */

/**
 * @typedef {object} Message
 * @property {string} body
 * @property {number=} mid
 * @property {number=} rid
 * @property {boolean=} service
 * @property {User} user
 * @property {User=} to
 * @property {string=} replyQuote
 * @property {string[]=} tags
 * @property {number=} likes
 * @property {number=} replies
 * @property {string=} photo
 * @property {string=} attach
 * @property {string=} timestamp
 * @property {boolean=} ReadOnly
 * @property {number=} replyto
 */


const client = axios.create({
    baseURL: apiBaseUrl,
    withCredentials: true
})

/**
 * fetch my info
 * @returns {Promise<SecureUser, Error>} me object
 */
export function me() {
    return client.get('/api/me')
}

/**
 * @param {string} username
 */
export function info(username) {
    return client.get(`/api/info/${username}`)
}


/**
 *
 */
export function getChats() {
    return client.get('/api/groups_pms')
}

/**
 * @param {string} userName
 */
export function getChat(userName) {
    return client.get('/api/pm', {
        params: {
            'uname': userName
        }
    })
}

/**
 * @param {string} userName
 * @param {string} body
 */
export function pm(userName, body) {
    let form = new FormData()
    form.set('uname', userName)
    form.set('body', body)
    return client.post('/api/pm', form)
}

/**
 * @param {string} path
 * @param {{ mid: any; }} params
 */
export function getMessages(path, params) {
    return client.get(path, {
        params: params
    })
}

/**
 * @param {string} body
 * @param {string} attach
 */
export function post(body, attach) {
    let form = new FormData()
    form.append('attach', attach)
    form.append('body', body)
    return client.post('/api/post', form)
}

/**
 * @param {number} mid
 * @param {number} rid
 * @param {string} body
 * @param {string} attach
 */
export function comment(mid, rid, body, attach) {
    let form = new FormData()
    form.append('mid', mid.toString())
    form.append('rid', rid.toString())
    form.append('body', body)
    form.append('attach', attach)
    return client.post('/api/comment', form)
}
/**
 * Edit message
 * @param {number} mid 
 * @param {number} rid 
 * @param {string?} body
 */
export function update(mid, rid, body) {
    let form = new FormData()
    form.append('mid', mid)
    form.append('rid', rid)
    form.append('body', body)
    return client.post('/api/update', form)
}
/**
 * Update user avatar
 * @param {string} newAvatar
 */
export function updateAvatar(newAvatar) {
    let form = new FormData()
    form.append('avatar', newAvatar)
    return client.post('/api/me/upload', form)
}

/**
 * @param {string} network
 */
function socialLink(network) {
    return `${apiBaseUrl}/api/_${network}login?state=${window.location.protocol}//${window.location.host}${window.location.pathname}`
}

/**
 *
 */
export function facebookLink() {
    return socialLink('fb')
}

/**
 *
 */
export function vkLink() {
    return socialLink('vk')
}

/**
 *
 */
export function appleLink() {
    return socialLink('apple')
}

/**
 * @param {Message} msg
 * @param {SecureUser} visitor
 */
export function markReadTracker(msg, visitor) {
    return `${apiBaseUrl}/api/thread/mark_read/${msg.mid}-${msg.rid || 0}.gif?hash=${visitor.hash}`
}

let profileCache = {}

/**
 * Fetch user profile
 * @param {string} profileUrl User profile URL
 */
export function fetchUserUri(profileUrl) {
    return new Promise((resolve, reject) => {
        if (profileCache[profileUrl]) {
            resolve(profileCache[profileUrl])
        } else {
            client.get(profileUrl, {
                headers: {
                    'Accept': 'application/ld+json'
                }
            }).then(response => {
                profileCache[profileUrl] = response.data
                resolve(response.data)
            }).catch(reject)
        }
    })
}

/**
 * 
 * @returns { Promise<TagStats[]> } tags
 */
 export const trends = async () => {
    try {
    const response = await client.get('/api/tags')
    return response.data
    } catch (e) {
        console.error(e)
        return []
    }
}

/**
 * Fetch Tweet content
 * @param {string} url Tweet URL
 * @returns {Promise<string>} HTML content
 */
 const embeddedTweet = async (url = '') => {
    const response = await axios.get('https://publish.twitter.com/oembed', {
        params: {
            'dnt': true,
            'omit_script': true,
            'url': url
        }
    })
    return response.data
}

/**
 * Checks if HTTP error code is redirection code
 * @param {number} code HTTP error code
 * @returns {boolean} is HTTP request redirected or not
 */
function isHttpRedirected(code = 200) {
    return [301, 302].includes(code)
}

/**
 * Checks if HTTP error code is successful code
 * @param {number} code HTTP error code
 * @returns {boolean} is HTTP request successful or not
 */
function isHttpSuccessful(code = 200) {
    return code >= 200 && code < 300
}

/**
 * Resolves shortened url to actual one
 * @param {string} url URL to resolve
 * @returns {Promise<string>} full URL
 */
function expandShortenedLink(url = '') {
    return new Promise((resolve, reject) => {
        axios.head(url, {
            maxRedirects: 0
        }).then(response => {
            if (isHttpSuccessful(response.status)) {
                // URL is not redirected
                resolve(url)
                return
            }
            if (isHttpRedirected(response.status)) {
                resolve(/** @type { string } */ (response.headers['Location']))
                return
            }
            // Error case
            reject('Invalid response')
        }).catch(error => {
            reject(error)
        })
    })
}

export {
    embeddedTweet,
    expandShortenedLink
}