#!/usr/bin/env python3
# -*- coding: utf-8 -*-

from fitparse import FitFile
from datetime import datetime
import inotify.adapters
import os, sys, shutil
import sqlite3


path = "/home/manuel/Dropbox/Apps/HealthFitExporter/"
#path = "/Users/manuel/Projekte/eBike-Influx-Calculation/test/"
ext = ('.fit')
db_file = "/www/wwwroot/www.manuelw.de/ebike/ebike.db"
#db_file = "/Users/manuel/Projekte/eBike-Influx-Calculation/ebike.db"

fitData = {}

##
### auf neue Files überwachen
def main():
	i = inotify.adapters.InotifyTree(path)
	
	for event in i.event_gen(yield_nones=False):
		(_, type_names, fpath, filename) = event
		
		if event != None:
			#print("PATH=[{}] FILENAME=[{}] EVENT_TYPES={}".format(path, filename, type_names))
			if type_names[0] == "IN_MOVED_TO":
				if filename.endswith(ext):
					processFIT(filename)
				
		pass
	
##
### parse FIT file und bestimme Handling
def processFIT(filename):
	file = FitFile(path+filename)
	for record in file.get_messages("session"):
		## nur wenn Radfahren
		if record.get_value("sport") == "cycling":
			## Verarbeitung starten
			doAll(file)

	writeDB()


##
### todo on all fit files
def doAll(file):
	global fitData
	
	for record in file.get_messages("session"):
		fitData["avg_cadence"] = record.get_value("avg_cadence")
		#fitData["avg_speed"] += round(float(record.get_value("avg_speed")) / 0.27777777777778, 1)
		fitData["avg_speed"] = record.get_value("avg_speed")
		#fitData["total_ascent"] = float(record.get_value("total_ascent")) if record.get_value("total_ascent") != None else 0
		fitData["total_distance"] = round(record.get_value("total_distance") / 1000, 1)
		#fitData["date"] = record.get_value("start_time").strftime("%d.%m.%Y")
		fitData["date"] = record.get_value("start_time")
		fitData["total_calories"] = record.get_value("total_calories")
		if record.get_value("max_altitude"):
			fitData["max_altitude"] = round(float(record.get_value("max_altitude")), 1)
		else:
			fitData["max_altitude"] = 0
		fitData["max_heart_rate"] = record.get_value("max_heart_rate")
		fitData["avg_heart_rate"] = record.get_value("avg_heart_rate")

	fitData["avg_speed"] = round(float(fitData["avg_speed"]), 1)
	doHealthFit(file, record.get_value("min_altitude"))


def doHealthFit(file, min_alt=0.0):
	global fitData
	
	### Kadenz
	i=0
	cadence=0
	last_elev=min_alt
	ges_elev=0.0

	for record in file.get_messages("record"):
		## korrekte Kadenz ermitteln
		if record.get_value("cadence") != None and record.get_value("cadence") > 0:
			i+=1
			cadence += record.get_value("cadence")

		## korrekte Höhenmeter ermitteln
		if record.get_value("altitude") != None:
			if record.get_value("altitude") > last_elev:
				ges_elev += record.get_value("altitude") - last_elev

			last_elev = record.get_value("altitude")

	#fitData["avg_cadence"] = int(cadence/i)
	fitData["total_ascent"] = round(float(ges_elev), 1)


def writeDB():
	global fitData, db_file
	
	try:
		db = sqlite3.connect(db_file)
		cursor = db.cursor()
		print("Connected to SQLite")
		
		sql = '''
			INSERT INTO bike_drives
			(d_date, d_total_distance, d_total_ascent, d_max_alt, d_avg_speed, d_avg_hr, d_calories)
			VALUES (?, ?, ?, ?, ?, ?, ?);
		'''
		
		data = (fitData["date"], fitData["total_distance"], fitData["total_ascent"], fitData["max_altitude"], fitData["avg_speed"], 
			fitData["avg_heart_rate"], fitData["total_calories"])
		
		cursor.execute(sql, data)
		db.commit()
		print("Data inserted successfully into bike_drives table")
		cursor.close()
		
	except sqlite3.Error as error:
		print("Failed to insert data into sqlite table", error)
	finally:
		if db:
			db.close()
			print("The SQLite connection is closed")
	
	
	#row.extend(["Date", "Total Distance", "Total Ascent", "Max Alt.", "AVG Speed", "AVG HR", "Calories"])
	#row.extend([fitData["date"], fitData["total_distance"], fitData["total_ascent"], fitData["max_altitude"], fitData["avg_speed"], 
	#	fitData["avg_heart_rate"], fitData["total_calories"] ])



if __name__ == '__main__':
	main()