// custom side-effects for your app
module.exports = (app, apex, client) => {
    const util = require('./util')(apex),
        constant = require('./constant')
    app.on('apex-outbox', msg => {
        if (typeof msg === 'object'
            && !Object.keys(msg).filter(prop => msg[prop]
                && typeof msg[prop] === 'object').some(prop => !(msg[prop].hasOwnProperty('id')
                    && msg[prop].hasOwnProperty('type')))
            && msg.activity
            && msg.activity.type) {
            console.log(`New ${msg.activity.type} from ${msg.actor.id} to ${msg.recipient.id}`)
        } else {
            console.log(JSON.stringify(msg, '', 2))
        }
    })
    app.on('apex-inbox', async msg => {
        if (typeof msg === 'object'
            && !Object.keys(msg).filter(prop => msg[prop]
                && typeof msg[prop] === 'object').some(prop => !(msg[prop].hasOwnProperty('id')
                    && msg[prop].hasOwnProperty('type')))
            && msg.activity
            && msg.activity.type) {
            const type = msg.activity.type.toLowerCase()
            if (type === 'follow' && msg.recipient.type.toLowerCase() === 'person') {
                const follow = await apex.acceptFollow(msg.recipient, msg.activity),
                    act = await apex.buildActivity('Accept', apex.utils.usernameToIRI(constant.nick), ['https://www.w3.org/ns/activitystreams#Public'].concat([msg.actor.id]), {
                        actor: msg.recipient,
                        object: msg.activity
                    })
                await apex.addToOutbox(await apex.store.getObject(apex.utils.usernameToIRI(constant.nick), true), act)
            }
            if (type === 'create' && msg.object.type.toLowerCase() === 'note' && msg.actor.preferredUsername && msg.object.content) {
                const name = Array.isArray(msg.actor.preferredUsername) ? msg.actor.preferredUsername[0] : msg.actor.preferredUsername,
                    content = ('' + msg.object.content).replace(/<[^>]*>?/gm, '').split(' ').filter(token => !token.startsWith('@'))
                if (msg.recipient.id === apex.utils.usernameToIRI(constant.nick)) {
                    if (content.length === 1) {
                        try {
                            const instance = content.join('').trim(),
                                ac = new AbortController(),
                                timeout = setTimeout(() => {
                                    ac.abort()
                                }, 5000),
                                response = await fetch('https://' + constant.apexdomain + '/api/detail/' + instance, {
                                    headers: { 'User-Agent': constant.agent },
                                    signal: ac.signal,
                                    keepalive: false
                                })
                            clearTimeout(timeout)
                            const json = await response.json()
                            if (json && json.blocks && Array.isArray(json.blocks) && json.blocks.length > 0) {
                                const ac = new AbortController(),
                                    timeout = setTimeout(() => {
                                        ac.abort()
                                    }, 5000),
                                    result = await fetch('https://' + constant.apexdomain + '/api/list/' + instance, {
                                        headers: { 'User-Agent': constant.agent },
                                        signal: ac.signal,
                                        keepalive: false
                                    })
                                clearTimeout(timeout)
                                const res = await result.json()
                                if (res && res.instances && Array.isArray(res.instances)) {
                                    res.instances.map(async r => {
                                        if (r.domain === instance) {
                                            await util.sendFederatedMessage(constant.nick, null, 'Instance ' + instance + ' has ' + json.blocks.length + ' blocks\n'
                                                + (r.api.title ? '\n'
                                                    + r.api.title + ' - ' + r.api.uri + '\n'
                                                    + (r.api.email ? 'Email: ' + r.api.email + '\n' : '')
                                                    + 'Registration: ' + (r.api.registrations ? 'open' : 'closed') + ' - Version: ' + r.api.version + '\n'
                                                    + (r.api.stats ? 'Users: ' + r.api.stats.user_count + ' - Statuses: ' + r.api.stats.status_count + ' - Domains: ' + r.api.stats.domain_count + '\n' : '')
                                                    + (r.api.description ? 'Description: ' + r.api.description + '\n' : '') : '')
                                                + 'https://' + constant.apexdomain + '/#' + instance, msg.actor.id, msg.object.id)
                                        }
                                    })
                                } else {
                                    await util.sendFederatedMessage(constant.nick, null, 'Instance ' + instance + ' has ' + json.blocks.length + ' blocks - https://' + constant.apexdomain + '/#' + instance, msg.actor.id, msg.object.id)
                                }
                            } else {
                                await util.sendFederatedMessage(constant.nick, null, 'Instance ' + instance + ' not found, next try.', msg.actor.id, msg.object.id)
                            }
                        } catch (e) {
                            await util.sendFederatedMessage(constant.nick, null, e.message, msg.actor.id, msg.object.id)
                            // console.error(e)
                        }
                    } else {
                        await util.sendFederatedMessage(constant.nick, 'Hi ' + name, 'I know ' + (await client.count({ index: constant.index })).count + ' Federated Instances\nScanning ' + app.locals.server + ' instance with ' + app.locals.scantotal + ' peers\nScanned ' + app.locals.peers + ' peers from ' + app.locals.instances + ' instances, ' + app.locals.created + ' created, ' + app.locals.updated + ' updated\nhttps://' + constant.apexdomain, msg.actor.id, msg.object.id)
                    }
                }
                console.log(`New note from ${name} to ${msg.recipient.id}: ${content.join(' ')}`)
            } else if (type !== 'delete') {
                console.log(`New ${msg.activity.type} from ${msg.actor.id} to ${msg.recipient.id}`)
            } else {
                console.log(`New ${msg.activity.type} from ${msg.actor.id} to ${msg.recipient.id}`)
            }
        } else {
            console.log(JSON.stringify(msg, '', 2))
        }
    })
}