import os

from flask import Flask, render_template, make_response, json, jsonify, request, send_file, abort
from werkzeug.utils import safe_join
from modules import app_gps, app_events, app_car, app_account, app_gps,app_obd, app_sql, app_dash, app_upload
import time
from gevent.pywsgi import WSGIServer


app = Flask(__name__)
app_events.socketio.init_app(app)

account = app_account.Account()
obd = app_obd.OBD()
car = app_car.Car()
gps = app_gps.start_gps()
app_sql.start_logging()
app_upload.start_uploading()

@app.route('/')
def index():
    print("hello "+ account.name)
    print("you're car model is:" + car.model)
    return render_template('index.html', account = account, car = car)

@app.route('/dtc')
def dtc():
    return render_template('dtc.html', account = account, car = car)

@app.route('/dash')
def dash():
    return render_template('dash.html', account = account, car = car)

@app.route('/api/dash/devices')
def dash_devices():
    devices = app_dash.list_usb_storage_partitions()
    return jsonify({"devices": devices})

@app.route('/api/dash/import', methods=['POST'])
def dash_import():
    summary = app_dash.import_dashcam()
    return jsonify(summary)

@app.route('/api/upload/status')
def upload_status():
    return jsonify(app_upload.get_status())

@app.route('/api/upload/dashcam_toggle', methods=['POST'])
def upload_dashcam_toggle():
    body = request.get_json(silent=True) or {}
    if "enabled" not in body:
        return jsonify(error="expected JSON body {'enabled': true|false}"), 400
    app_upload.set_dashcam_upload_enabled(bool(body["enabled"]))
    return jsonify(app_upload.get_status())

# --- Phone-relay: lets a phone on the Pi's own network list, download, and
# directly re-upload dashcam files to the remote server itself (bypassing
# the Pi's own often-congested WiFi radio for the internet-bound leg). See
# static/js/dash.js for the client side of this. ---

@app.route('/api/dash/pending')
def dash_pending():
    return jsonify({"files": app_upload.list_pending_dashcam_files()})

@app.route('/api/dash/file/<path:relpath>')
def dash_file(relpath):
    abs_path = safe_join(app_dash.DEFAULT_DESTINATION, relpath)
    if abs_path is None or not os.path.isfile(abs_path):
        abort(404)
    # conditional=True (Flask's default) makes this support Range requests,
    # so the phone can fetch/re-upload one chunk at a time instead of ever
    # holding the whole (300+MB) file in the browser's memory at once.
    return send_file(abs_path, mimetype='application/octet-stream', conditional=True)

@app.route('/api/dash/relay/config')
def dash_relay_config():
    # Hands the phone the same device credentials the Pi's own upload client
    # uses, so its browser JS can call the remote server's existing chunked
    # upload endpoints directly. Same trust boundary as the rest of this
    # unauthenticated local UI - anyone on the Pi's hotspot/LAN is already
    # implicitly trusted.
    return jsonify({
        "server_url": app_upload.SERVER_URL,
        "device_name": app_upload.DEVICE_NAME,
        "api_key": app_upload.API_KEY,
        "chunk_size": app_upload.DASHCAM_CHUNK_SIZE,
        "configured": app_upload.is_configured(),
    })

@app.route('/api/dash/relay/heartbeat', methods=['POST'])
def dash_relay_heartbeat():
    app_upload.relay_heartbeat()
    return jsonify(app_upload.get_status())

@app.route('/api/dash/relay/stop', methods=['POST'])
def dash_relay_stop():
    app_upload.relay_stop()
    return jsonify(app_upload.get_status())

@app.route('/api/dash/relay/mark_uploaded', methods=['POST'])
def dash_relay_mark_uploaded():
    body = request.get_json(silent=True) or {}
    relative_path = (body.get("relative_path") or "").strip()
    sha256 = (body.get("sha256") or "").strip().lower()
    if not relative_path or not sha256:
        return jsonify(error="expected JSON body {'relative_path', 'sha256'}"), 400
    app_sql.mark_dashcam_file_uploaded(relative_path, sha256)
    return jsonify(status="ok")

# not sure if im gonna use this
@app.route('/api/obd_speed/')
def data():
    data = app_obd.speed
    response = make_response(json.dumps(data))
    response.content_type = 'application/json'
    return response

if __name__ == '__main__':
    # Debug/Development
    # app.run(debug=True, host="0.0.0.0", port="5000")
    # Production
    http_server = WSGIServer(('', 5000), app)
    print("server on http://localhost:5000")
    http_server.serve_forever()