const { Model } = require('flitter-orm')
const LDAP = require('ldapjs')
const bcrypt = require('bcrypt')

class MachineModel extends Model {
    static get services() {
        return [...super.services, 'models', 'ldap_server', 'configs']
    }

    static get schema() {
        return {
            name: String,
            bind_password: String,
            description: String,
            host_name: String,
            location: String,
            active: { type: Boolean, default: true },
            ldap_visible: { type: Boolean, default: true },
        }
    }

    async to_api() {
        let iam_filter = `(|(iamTarget=${this.id})`
        for ( const group of (await this.groups()) ) {
            iam_filter += `(iamTarget=${group.id})`
        }
        iam_filter += ')'

        return {
            id: this.id,
            name: this.name,
            description: this.description,
            host_name: this.host_name,
            location: this.location,
            ldap_visible: this.ldap_visible,
            iam_filter,
        }
    }

    async groups() {
        const MachineGroup = this.models.get('ldap:MachineGroup')
        return MachineGroup.find({
            machine_ids: this.id,
            active: true
        })
    }

    async set_bind_password(password) {
        this.bind_password = await bcrypt.hash(password, 10)
        return this
    }

    async check_bind_password(password) {
        return await bcrypt.compare(password, this.bind_password)
    }

    get dn() {
        return LDAP.parseDN(`cn=${this.name},${this.ldap_server.machine_dn().format(this.configs.get('ldap:server.format'))}`)
    }

    async to_ldap() {
        const data = {
            cn: this.name,
            dn: this.dn.format(this.configs.get('ldap:server.format')),
            name: this.name,
            id: this.id,
            objectClass: ['computer'],
            description: this.description,
            dNSHostName: this.host_name,
            location: this.location,
            primaryGroupID: 515,  // compat with AD
            sAMAccountType: 805306369,  // compat with AD
        }

        return data;
    }
}

module.exports = exports = MachineModel