#!/usr/bin/env python3
import os
import random
import secrets
import threading
import time

from flask import Flask, render_template, Response, request, send_from_directory, session, redirect, url_for
import requests
from requests.exceptions import ConnectionError
from openpilot.common.realtime import set_core_affinity
import openpilot.selfdrive.frogpilot.fleetmanager.helpers as fleet
from openpilot.system.hardware.hw import Paths
from openpilot.common.swaglog import cloudlog
import traceback

app = Flask(__name__)

@app.route("/")
def home_page():
  return render_template("index.html")

@app.errorhandler(500)
def internal_error(exception):
  print('500 error caught')
  tberror = traceback.format_exc()
  return render_template("error.html", error=tberror)

@app.route("/footage/full/<cameratype>/<route>")
def full(cameratype, route):
  chunk_size = 1024 * 512  # 5KiB
  file_name = cameratype + (".ts" if cameratype == "qcamera" else ".hevc")
  vidlist = "|".join(Paths.log_root() + "/" + segment + "/" + file_name for segment in fleet.segments_in_route(route))

  def generate_buffered_stream():
    with fleet.ffmpeg_mp4_concat_wrap_process_builder(vidlist, cameratype, chunk_size) as process:
      for chunk in iter(lambda: process.stdout.read(chunk_size), b""):
        yield bytes(chunk)
  return Response(generate_buffered_stream(), status=200, mimetype='video/mp4')


@app.route("/footage/<cameratype>/<segment>")
def fcamera(cameratype, segment):
  if not fleet.is_valid_segment(segment):
    return render_template("error.html", error="invalid segment")
  file_name = Paths.log_root() + "/" + segment + "/" + cameratype + (".ts" if cameratype == "qcamera" else ".hevc")
  return Response(fleet.ffmpeg_mp4_wrap_process_builder(file_name).stdout.read(), status=200, mimetype='video/mp4')


@app.route("/footage/<route>")
def route(route):
  if len(route) != 20:
    return render_template("error.html", error="route not found")

  if str(request.query_string) == "b''":
    query_segment = str("0")
    query_type = "qcamera"
  else:
    query_segment = (str(request.query_string).split(","))[0][2:]
    query_type = (str(request.query_string).split(","))[1][:-1]

  links = ""
  segments = ""
  for segment in fleet.segments_in_route(route):
    links += "<a href='"+route+"?"+segment.split("--")[2]+","+query_type+"'>"+segment+"</a><br>"
    segments += "'"+segment+"',"
  return render_template("route.html", route=route, query_type=query_type, links=links, segments=segments, query_segment=query_segment)


@app.route("/footage/")
@app.route("/footage")
def footage():
  return render_template("footage.html", rows=fleet.all_routes())


@app.route("/screenrecords/")
@app.route("/screenrecords")
def screenrecords():
  rows = fleet.list_files(fleet.SCREENRECORD_PATH)
  if not rows:
    return render_template("error.html", error="no screenrecords found at:<br><br>" + fleet.SCREENRECORD_PATH)
  return render_template("screenrecords.html", rows=rows, clip=rows[0])


@app.route("/screenrecords/<clip>")
def screenrecord(clip):
  return render_template("screenrecords.html", rows=fleet.list_files(fleet.SCREENRECORD_PATH), clip=clip)


@app.route("/screenrecords/play/pipe/<file>")
def videoscreenrecord(file):
  file_name = fleet.SCREENRECORD_PATH + file
  return Response(fleet.ffplay_mp4_wrap_process_builder(file_name).stdout.read(), status=200, mimetype='video/mp4')


@app.route("/screenrecords/download/<clip>")
def download_file(clip):
  return send_from_directory(fleet.SCREENRECORD_PATH, clip, as_attachment=True)


@app.route("/about")
def about():
  return render_template("about.html")


@app.route("/error_logs")
def error_logs():
  return render_template("error_logs.html", rows=fleet.list_files(fleet.ERROR_LOGS_PATH))


@app.route("/error_logs/<file_name>")
def open_error_log(file_name):
  f = open(fleet.ERROR_LOGS_PATH + file_name)
  error = f.read()
  return render_template("error_log.html", file_name=file_name, file_content=error)

@app.route("/addr_input", methods=['GET', 'POST'])
def addr_input():
  SearchInput = fleet.get_SearchInput()
  token = fleet.get_public_token()
  s_token = fleet.get_app_token()
  gmap_key = fleet.get_gmap_key()
  PrimeType = fleet.get_PrimeType()
  lon = float(0.0)
  lat = float(0.0)
  if request.method == 'POST':
    valid_addr = False
    postvars = request.form.to_dict()
    addr, lon, lat, valid_addr, token = fleet.parse_addr(postvars, lon, lat, valid_addr, token)
    if not valid_addr:
      # If address is not found, try searching
      postvars = request.form.to_dict()
      addr = request.form.get('addr_val')
      addr, lon, lat, valid_addr, token = fleet.search_addr(postvars, lon, lat, valid_addr, token)
    if valid_addr:
      # If a valid address is found, redirect to nav_confirmation
      return redirect(url_for('nav_confirmation', addr=addr, lon=lon, lat=lat))
    else:
      return render_template("error.html")
  elif PrimeType != 0:
    return render_template("prime.html")
  elif fleet.get_nav_active():
    if SearchInput == 2:
      return render_template("nonprime.html", gmap_key=gmap_key, lon=lon, lat=lat)
    else:
      return render_template("nonprime.html", gmap_key=None, lon=None, lat=None)
  elif token == "" or token is None:
    return redirect(url_for('public_token_input'))
  elif s_token == "" or s_token is None:
    return redirect(url_for('app_token_input'))
  elif SearchInput == 2:
    lon, lat = fleet.get_last_lon_lat()
    if gmap_key == "" or gmap_key is None:
      return redirect(url_for('gmap_key_input'))
    else:
      return render_template("addr.html", gmap_key=gmap_key, lon=lon, lat=lat)
  else:
      return render_template("addr.html", gmap_key=None, lon=None, lat=None)

@app.route("/nav_confirmation", methods=['GET', 'POST'])
def nav_confirmation():
  token = fleet.get_public_token()
  lon = request.args.get('lon')
  lat = request.args.get('lat')
  addr = request.args.get('addr')
  if request.method == 'POST':
    postvars = request.form.to_dict()
    fleet.nav_confirmed(postvars)
    return redirect(url_for('addr_input'))
  else:
    return render_template("nav_confirmation.html", addr=addr, lon=lon, lat=lat, token=token)

@app.route("/public_token_input", methods=['GET', 'POST'])
def public_token_input():
  if request.method == 'POST':
    postvars = request.form.to_dict()
    fleet.public_token_input(postvars)
    return redirect(url_for('addr_input'))
  else:
    return render_template("public_token_input.html")

@app.route("/app_token_input", methods=['GET', 'POST'])
def app_token_input():
  if request.method == 'POST':
    postvars = request.form.to_dict()
    fleet.app_token_input(postvars)
    return redirect(url_for('addr_input'))
  else:
    return render_template("app_token_input.html")

@app.route("/gmap_key_input", methods=['GET', 'POST'])
def gmap_key_input():
  if request.method == 'POST':
    postvars = request.form.to_dict()
    fleet.gmap_key_input(postvars)
    return redirect(url_for('addr_input'))
  else:
    return render_template("gmap_key_input.html")

@app.route("/CurrentStep.json", methods=['GET'])
def find_CurrentStep():
  directory = "/data/openpilot/selfdrive/manager/"
  filename = "CurrentStep.json"
  return send_from_directory(directory, filename, as_attachment=True)

@app.route("/navdirections.json", methods=['GET'])
def find_nav_directions():
  directory = "/data/openpilot/selfdrive/manager/"
  filename = "navdirections.json"
  return send_from_directory(directory, filename, as_attachment=True)

@app.route("/locations", methods=['GET'])
def get_locations():
  data = fleet.get_locations()
  return Response(data, content_type="application/json")

@app.route("/set_destination", methods=['POST'])
def set_destination():
  valid_addr = False
  postvars = request.get_json()
  data, valid_addr = fleet.set_destination(postvars, valid_addr)
  if valid_addr:
    return Response('{"success": true}', content_type='application/json')
  else:
    return Response('{"success": false}', content_type='application/json')

@app.route("/navigation/<file_name>", methods=['GET'])
def find_navicon(file_name):
  directory = "/data/openpilot/selfdrive/assets/navigation/"
  return send_from_directory(directory, file_name, as_attachment=True)


def main():
  try:
    set_core_affinity([0, 1, 2, 3])
  except Exception:
    cloudlog.exception("fleet_manager: failed to set core affinity")
  app.secret_key = secrets.token_hex(32)
  app.run(host="0.0.0.0", port=8082)


if __name__ == '__main__':
  main()