'use strict'

 const expect = require('chai').expect,
   i2c = require('uci-i2c'),
   _u = require('uci-utils')

 let bus1 = new i2c.Bus(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 i2c.MCP.MCP23017(bus1, 0x20, {
     name: 'switches 1-16'
   })

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

     it('can set and get a single pin config', function () {
       expect(mcp17.pin(8).cfg.dir, "pin address getter failed").to.equal(0)
       mcp17.portA.pin(8).cfg.dir = 1
       console.log(mcp17.pin(8).cfg.dir)

       //  expect(mcp17.pin(8).config.dir, "pin address setter failed").to.equal(1)
     });

     it('a pin can access device methods when attached to a device', function () {
       expect(mcp17.portA.pin(8).device.address.val).to.equal(mcp17.address.val)
     })

   });

   let mcp8 = new i2c.MCP.MCP23008(bus1, 0x21, {
     cfgDefault: 'output',
     name: 'relay 1-8'
   })

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

     mcp8.pin(8).dir = 1
     it('can set and get a single pin config', function () {
       expect(mcp8.port.pin(8).dir, "pin address getter failed").to.equal(1)
       mcp8.port.pin(8).dir = 0
       expect(mcp8.port.pin(8).dir, "pin address getter failed").to.equal(0)
       expect(mcp8.port.pin(8).itr, "pin address getter failed").to.equal(Boolean(0))
     });

     it('a pin can access device methods when attached to a device', function () {
       expect(mcp17.portA.pin(8).device.address.val).to.equal(mcp17.address.val)
     })

     // console.log(bus1.bus.writeI2cBlock_p)
     // mcp8.func()

     const ADDR = 0x21,
       DIR = 0x00,
       RW = 0x09,
       ALLPINS = 0x40,
       NOPINS = 0x00

     mcp8.write(DIR, 0x00).then(() =>
       mcp8.write(RW, ALLPINS).then(() =>
         mcp8.read(RW, ALLPINS).then((resp) => {
           console.log('relays on', resp)
         })
       )
     )

   });

 });