From e6070465e5c552fd68eadbbff5223812e1cf4a13 Mon Sep 17 00:00:00 2001
From: mmcw-dev <hi@mmcwilliams.com>
Date: Wed, 20 Dec 2017 18:40:51 -0500
Subject: [PATCH] Sequence logic ready for testing

---
 index.js              | 86 ++++++++++++++++++++++++++++++++++++++++++-
 lib/sequence/index.js | 84 +++++++++++++++++++++++++++++++++++++++---
 2 files changed, 163 insertions(+), 7 deletions(-)

diff --git a/index.js b/index.js
index 193cd2c..e2091fd 100644
--- a/index.js
+++ b/index.js
@@ -50,6 +50,8 @@ function createBLE () {
 	ble.on('exposure', bExposure)
 	ble.on('delay', bDelay)
 	ble.on('counter', bCounter)
+	ble.on('sequence', bSequence)
+	ble.on('reset', bReset)
 }
 
 //Restify functions
@@ -246,6 +248,17 @@ function rSequence (req, res, next) {
 	let dir = true
 	let exposure = 0
 	let delay = 0
+
+	if (intval._state.frame.dir !== true) {
+		dir = false
+	}
+	if (intval._state.frame.exposure !== 0) {
+		exposure = intval._state.frame.exposure
+	}
+	if (intval._state.frame.delay !== 0) {
+		delay = intval._state.frame.delay
+	}
+
 	if (req.query && typeof req.query.dir !== 'undefined') {
 		if (typeof req.query.dir === 'string') {
 			dir = (req.query.dir === 'true')
@@ -274,13 +287,24 @@ function rSequence (req, res, next) {
 			exposure = req.body.exposure
 		}
 	}
-	if (sequence.active) {
+	if (sequence._state.active) {
 		return sequence.stop(() => {
 			res.send({ stopped : true })
 			return next()
 		})
 	} else {
-		return sequence.start({}, (seq) => {
+		return sequence.start({
+			loop : [ (next) => {
+						intval.frame(dir, exposure, (len) => {
+							next()
+						}),
+					}, (next) => {
+						setTimeout(() => {
+							next()
+						}, delay)
+					}
+				]
+		}, (seq) => {
 			res.send(seq)
 			return next()
 		})
@@ -379,6 +403,64 @@ function bCounter (obj, cb) {
 	return cb()
 }
 
+function bSequence (obj, cb) {
+	let dir = true
+	let exposure = 0
+	let delay = 0
+
+	if (intval._state.frame.dir !== true) {
+		dir = false
+	}
+	if (intval._state.frame.exposure !== 0) {
+		exposure = intval._state.frame.exposure
+	}
+	if (intval._state.frame.delay !== 0) {
+		delay = intval._state.frame.delay
+	}
+
+	if (typeof obj.dir !== 'undefined') {
+		if (typeof obj.dir === 'string') {
+			dir = (obj.dir === 'true')
+		} else {
+			dir = obj.dir
+		}
+	}
+	if (typeof obj.exposure !== 'undefined') {
+		if (typeof obj.exposure === 'string') {
+			exposure = parseInt(obj.exposure)
+		} else {
+			exposure = obj.exposure
+		}
+	}
+	if (sequence._state.active) {
+		return sequence.stop(() => {
+			return cb()
+		})
+	} else {
+		console.time('sequence time')
+		sequence.start({
+			loop : [ (next) => {
+						intval.frame(dir, exposure, (len) => {
+							next()
+						}),
+					}, (next) => {
+						setTimeout(() => {
+							next()
+						}, delay)
+					}
+				]
+		}, (seq) => {
+			console.timeEnd('sequence time')
+		})
+		return cb()
+	}
+}
+
+function bReset (obj, cb) {
+	intval.reset()
+	setTimeout(cb, 10)
+}
+
 function index (req, res, next) {
 	fs.readFile(INDEXPATH, 'utf8', (err, data) => {
 		if (err) {
diff --git a/lib/sequence/index.js b/lib/sequence/index.js
index 98d371a..10849a4 100644
--- a/lib/sequence/index.js
+++ b/lib/sequence/index.js
@@ -1,17 +1,91 @@
 'use strict'
 
-const sequence = {
+const log = require('../log')('seq')
+
+/** Object sequence features */
+const sequence = {};
+
+sequence._state = {
+	arr : [],
 	active : false,
+	paused : false,
 	frame: false,
-	delay : false
+	delay : false,
+	count : 0,
+	stop : null
+}
+
+sequence._loop = {
+	arr : [],
+	count : 0,
+	max : 0
 }
 
 sequence.start = function (options, cb) {
-	sequence.active = true 
+	sequence._state.active = true
+	sequence._state.count = 0
+
+	if (options.arr) {
+		sequence._state.arr = options.arr
+	}
+
+	if (options.loop) {
+		sequence._loop.arr = options.loop
+		sequence._loop.count = 0
+	}
+
+	if (options.maxLoop) {
+		sequence._loop.max = options.maxLoop
+	} else {
+		sequence._loop.max = 0
+	}
+
+	sequence.step() 
 }
 
-sequence.stop = function (cb) {
-	sequence.active = false
+sequence.stop = function (next) {
+	sequence._state.active = false
+	sequence._state.count = 0
+	sequence._loop.count = 0
+	sequence._state.stop()
+	next()
+}
+
+sequence.pause = function () {
+	sequence._state.paused = true
+}
+
+sequence.resume = function () {
+	sequence._state.paused = false
+	sequence.step()
+}
+
+sequence.step = function () {
+	if (sequence._state.active && !sequence._state.paused) {
+		if (sequence._state.arr.length > 0 && typeof sequence._state.arr[sequence._state.count] !== 'undefined') {
+			return sequence._state.arr[sequence._state.count](() => {
+				sequence._state.count++
+				sequence.step()
+			})
+		} else if (sequence._loop.arr.length > 0 && typeof sequence._loop.arr[sequence._state.count] !== 'undefined') {
+			if (sequence._state.count > sequence._loop.arr.length) {
+				sequence._state.count = 0
+				sequence._loop.count++
+			}
+			if (sequence._loop.count > sequence._loop.max) {
+				return sequence.stop()
+			}
+			return sequence._loop.arr[sequence._state.count](() => {
+				sequence._state.count++
+			})
+		} else{
+			return sequence.stop()
+		}
+	} else if (sequence._state.paused) {
+		log.info('Sequence paused', { loop : sequence._loop.count, count : sequence._state.count })
+	} else if (!sequence._state.active) {
+		log.info('Sequence stopped', { loop : sequence._loop.count, count : sequence._state.count })
+	}
 }
 
 module.exports = sequence
\ No newline at end of file