// list-data.ts - definition and methods of the List component

import { sendMsg } from './common'

// List component

//export function List(name, action, domain: string): object {
export function List(name: string, conf: any): object {
	const domain = conf.domain || this.conf.domain
	const comp = {
		state: {
			id: this.conf.itemid,
			mode: 'view'
		},
		name: name, // also used as class of incoming/outgoing message
		action: conf.action, // (default) action of outgoing message
		domain: domain, // domain of incoming/outgoing message
		data: [], 	// model = list of rows
		meta: {},	// metadata (params) for each field (table column)
		handle,		// handle incoming messages
		initField	// initialize field (= @mounted)
	}
	this.components[name] = comp
	this.sendMsg([domain, 'query', name], {})
	return comp
}

// Data methods

function handle(domain, action, class_, item: string, payload) {
	if (action == 'list') {
		const rows = payload.split('\n')
		this.data.length = 0
		for (const row of rows) {
			this.data.push(JSON.parse(row))
		}
		console.log('data: ', this.data)
	}
}

function initField(name: string, meta: any) {
	if (meta.defexpr) {
		meta.default = eval(meta.defexpr)
	}
	this.data[name] = meta.default || ""
	this.meta[name] = meta
}