'use strict'

const expect = require('chai').expect,
	_u = require('@uci/utils'),
	MCP = require('../lib/mcp23008-17')

const bus = {}

const config_sets = {
	output: {
		dir: 0, // 0 output,1 input
		ivrt: 0,
		pullup: 0,
		intr: 0, // if intr = 0 usedef,deval not used
		usedef: 0, // if usedef = 0 defval not used
		defval: 0
	},
	toggle_switch: {
		dir: 1, // 0 output,1 input
		ivrt: 1, // for reading let 1 be zero and vice versa
		pullup: 1,
		intr: 1, // if intr = 0 usedef,deval not used
		usedef: 0, // if usedef = 0 defval not used
		defval: 0
	},
	momentary_switch: {
		dir: 1, // 0 output,1 input
		ivrt: 1, // for reading let 1 be zero and vice versa
		pullup: 1,
		intr: 1, // if intr = 0 usedef,deval not used
		usedef: 1, // if usedef = 0 defval not used
		defval: 1
	}
}

// console.log(bus1)
// bus1.scan((devs)=>{console.log('devices: ', devs)})
//bus1.scan().then(results=>console.log(results))

describe('I2C Device Classes - ', function () {

	let mcp17 = new MCP.MCP23017(bus, 0x20, {
		pin_cfg_default: 'momentary_switch',
		name: 'switches 1-16'
	})

	describe('MCP23017 Class - ', function () {

		it('can set and get a single pin config on both ports', function () {
			expect(mcp17.pin(1).cfg, 'pin configs getter failed').to.deep.equal(config_sets.momentary_switch)
			expect(mcp17.pin(8).cfg.dir, 'pin config getter failed').to.equal(1)
			mcp17.pin(8).cfg.dir = 0
			expect(mcp17.pin(8).cfg.dir, 'pin address setter failed').to.equal(0)
			expect(mcp17.pin(8, 'B').cfg.dir, 'pin address getter port B failed').to.equal(1)
			mcp17.pin(8, 'B').cfg.dir = 0
			expect(mcp17.pin(8, 'B').config.dir, 'pin address setter failed').to.equal(0)
		})

	})

	let mcp8 = new MCP.MCP23008(bus, 0x21, {
		pin_cfg_default: 'toggle_switch',
		name: 'test 1-8'
	})

	describe('MCP23008 Class - ', function () {

		it('can set and get a single pin config', function () {
			expect(mcp8.pin(1).cfg, 'pin configs getter failed').to.deep.equal(config_sets.toggle_switch)
			expect(mcp8.pin(8).cfg.dir, 'pin address getter failed').to.equal(1)
			expect(mcp8.pin(8).cfg.ivrt, 'pin address getter failed').to.equal(1)
			expect(mcp8.pin(8).cfg.usedef, 'pin address getter failed').to.equal(0)
			mcp8.pin(8).cfg.dir = 0
			expect(mcp8.pin(8).cfg.dir, 'pin address setter failed').to.equal(0)
			expect(mcp8.pin(8).cfg.ivrt, 'pin address getter failed').to.equal(1)
		})

	})

})