import 'typings-global';
import plugins = require('./cflare.plugins')
import helpers = require('./cflare.classes.helpers')
import * as interfaces from './cflare.interfaces'

export class CflareAccount {
    private authEmail: string
    private authKey: string
    constructor() {

    }

    auth(optionsArg: { email: string, key: string }) {
        this.authEmail = optionsArg.email
        this.authKey = optionsArg.key
    }

    getZoneId(domainName: string) {
        let done = plugins.q.defer()
        this.listZones(domainName)
            .then(zoneArrayArg => {
                let filteredResponse = zoneArrayArg.filter((zoneArg) => {
                    return zoneArg.name === domainName
                })
                if (filteredResponse.length >= 1) {
                    done.resolve(filteredResponse[ 0 ].id)
                } else {
                    plugins.beautylog.error(`the domain ${domainName} does not appear to be in this account!`)
                    done.reject(undefined)
                }
            })
        return done.promise
    }
    getRecord(domainNameArg: string, typeArg: string): Promise<interfaces.ICflareRecord> {
        let done = plugins.q.defer()
        let result: interfaces.ICflareRecord

        let domain = new plugins.smartstring.Domain(domainNameArg)
        this.listRecords(domain.zoneName)
            .then((recordArrayArg) => {
                let filteredResponse = recordArrayArg.filter((recordArg) => {
                    return (recordArg.type === typeArg && recordArg.name === domainNameArg)
                })
                done.resolve(filteredResponse[ 0 ])
            })
        return done.promise
    };
    createRecord(domainNameArg: string, typeArg: string, contentArg: string) {
        let done = plugins.q.defer()
        let domain = new plugins.smartstring.Domain(domainNameArg)
        this.getZoneId(domain.zoneName)
            .then((domainIdArg) => {
                let dataObject = {
                    name: domain.fullName,
                    type: typeArg,
                    content: contentArg
                }
                this.request('POST', '/zones/' + domainIdArg + '/dns_records', dataObject)
                    .then(function (responseArg) {
                        done.resolve(responseArg)
                    })
            })
        return done.promise
    };
    removeRecord(domainNameArg: string, typeArg: string) {
        let done = plugins.q.defer()
        let domain = new plugins.smartstring.Domain(domainNameArg)
        this.getRecord(domain.fullName, typeArg)
            .then((responseArg) => {
                if (responseArg) {
                    let requestRoute: string = '/zones/' + responseArg.zone_id + '/dns_records/' + responseArg.id
                    this.request('DELETE', requestRoute)
                        .then((responseArg) => {
                            done.resolve(responseArg)
                        })
                } else {
                    done.reject()
                }
            })
        return done.promise
    };
    updateRecord(domainNameArg: string, typeArg: string, valueArg) {
        let done = plugins.q.defer()
        let domain = new plugins.smartstring.Domain(domainNameArg)
        return done.promise
    };
    listRecords(domainNameArg: string): Promise<interfaces.ICflareRecord[]> {
        let done = plugins.q.defer<interfaces.ICflareRecord[]>()
        let result: interfaces.ICflareRecord[] = []

        let domain = new plugins.smartstring.Domain(domainNameArg)
        this.getZoneId(domain.zoneName)
            .then((domainIdArg) => {
                this.request('GET', '/zones/' + domainIdArg + '/dns_records?per_page=100')
                    .then(function (responseArg: any) {
                        result = responseArg.result
                        done.resolve(result)
                    })
            })
        return done.promise
    }
    listZones(domainName?: string): Promise<interfaces.ICflareZone[]> { // TODO: handle pagination
        let done = plugins.q.defer<interfaces.ICflareZone[]>()
        let requestRoute = '/zones?per_page=50'
        if (domainName) requestRoute = requestRoute + '&name=' + domainName
        let result = []
        this.request('GET', requestRoute)
            .then((responseArg: any) => {
                result = responseArg.result
                done.resolve(result)
            })
        return done.promise
    };
    request(methodArg: string, routeArg: string, dataArg = {}) {
        let done = plugins.q.defer()
        let jsonArg: string = JSON.stringify(dataArg)
        let options: plugins.smartrequest.ISmartRequestOptions = {
            method: methodArg,
            headers: {
                'Content-Type': 'application/json',
                'X-Auth-Email': this.authEmail,
                'X-Auth-Key': this.authKey
            },
            requestBody: jsonArg
        }
        // console.log(options);
        let retryCount = 0

        let makeRequest = async () => {
            let response: any = await plugins.smartrequest.request(
                `https://api.cloudflare.com/client/v4${routeArg}`,
                options
            )
            if (response.statusCode === 200) {
                done.resolve(response.body)
            } else if (response.statusCode === 429) {
                console.log('rate limited! Waiting for retry!')
                retryRequest()
            } else {
                console.log(response.statusCode)
                done.reject(new Error('request failed'))
            }
        }
        let retryRequest = async (delayTimeArg = Math.floor(Math.random() * (60000 - 8000) + 8000)) => {
            console.log(`retry started and waiting for ${delayTimeArg} ms`)
            await plugins.smartdelay.delayFor(delayTimeArg)
            if (retryCount < 10) {
                retryCount++
                return await makeRequest()
            }
        }
        makeRequest()
        return done.promise
    }

    private authCheck() {
        return (this.authEmail && this.authKey) // check if auth is available
    }
}