import json
import logging
from typing import List

import datetime
import matplotlib.pyplot as plt

from analysis.analyzers import LogEntryCountAnalyzer
from analysis.util.meta_temp import KML_PATTERN
from . import Render, Result
from analysis.analyzers import LocationAnalyzer

log = logging.getLogger(__name__)


class PrintRender(Render):
	def render(self, results: List[Result], name=None):
		print("\t" + "\n\t".join([str(r) for r in results]))


class JSONRender(Render):
	def render(self, results: List[Result], name=None):
		print(json.dumps([r.get() for r in self.filter(results)], indent=1))


class TrackRender(Render):
	result_types = [LocationAnalyzer]

	def render(self, results: List[Result], name=None):
		data = []
		log.debug(results)
		for result in self.filter(results):
			if len(result.get()) > 0:
				data.append(
					[[entry['location']['coordinates'][1], entry['location']['coordinates'][0]] for entry in
					 # TODO: configurable
					 result.get()])
		dumps = json.dumps(data)
		with open("track_data.js", "w") as out:
			out.write("tracks=" + dumps + ";")
		return dumps


def format_time(ts):
	return datetime.datetime.fromtimestamp(ts/1000).strftime("%Y-%m-%dT%H:%M:%S.%f")


class KMLRender(Render):
	result_types = [LocationAnalyzer]

	def render(self, results: List[Result], name=None):
		files = []
		for result in self.filter(results):
			times = ["<when>{time}</when>".format(time=format_time(entry["timestamp"])) for entry in result.get()]
			coords = [
				"<gx:coord>{long} {lat} 0.0</gx:coord>"
					.format(
					lat=entry['location']['coordinates'][1],
					long=entry['location']['coordinates'][0])
				for entry in result.get()
			]
			filename = str(result.name)+".kml"
			print(filename)
			with open(filename, "w") as out:
				out.write(KML_PATTERN.format(name=str(result.name), coordinates="\n".join(coords), when="\n".join(times)))
			files.append(filename)
		return files




class HeatMapRender(TrackRender):
	weight = 0.01

	def render(self, results: List[Result], name=None):
		raw = super(HeatMapRender, self).render(results)
		data = []
		for session in json.loads(raw):
			data += [(entry[0], entry[1], self.weight) for entry in session]
		dumps = json.dumps(data)
		with open('heat_data.js', 'w') as out:
			out.write("coords = " + dumps + ";")
		return dumps


class LogEntryCountAnalyzerPlot(Render):
	result_types = [LogEntryCountAnalyzer]

	def render(self, results: List[Result], name=None):
		raw_data = list(self.filter(results))[0].get()
		print(raw_data)
		labels = []
		data = []
		for x in sorted(raw_data.items()):
			labels.append(str(x[0]).split(".")[-1])
			data.append(x[1])
		plt.bar(range(len(data)), list(data))
		plt.xticks(range(len(data)), labels, rotation="vertical")
		plt.tight_layout()

		name = "plots/{}.png".format(name)
		plt.savefig(name)
		plt.cla()
		plt.clf()
		plt.close()

class LogEntryCountCSV(Render):
	result_types = [LogEntryCountAnalyzer]
	summary = None

	def render(self, results: List[Result], name=None):
		if self.summary is None:
			return
		for result in self.filter(results):
			raw_data = result.get()
			self.summary[name] = raw_data