import 'package:flutter/material.dart';
import 'package:libacflutter/Constants.dart';
import 'package:libacflutter/Prompt.dart';
import 'package:timetrack/consts.dart';
import 'package:timetrack/data.dart';

class HomePage extends StatefulWidget {
  const HomePage({super.key});

  @override
  State<StatefulWidget> createState() {
    return _HomePageState();
  }
}

class _HomePageState extends State<HomePage> {
  @override
  void didChangeDependencies() {
    setState(() {});
    super.didChangeDependencies();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text("Time Tracker"),
        backgroundColor: LibACFlutterConstants.TITLEBAR_COLOR,
      ),
      drawer: Drawer(
        elevation: 8,
        child: SingleChildScrollView(
          child: Column(
            children: [
              DrawerHeader(
                child: Column(
                  children: [
                    Text("Time Tracker"),
                    Text("Created by Tara Piccari"),
                    Text("Copyright 2025 - Present"),
                    Text("Version: ${TTConsts.VERSION}"),
                  ],
                ),
              ),
              ListTile(
                title: Text("Update Settings.."),
                subtitle: Text(
                  "Open the update settings. Channel, check for updates, and installation",
                ),
                onTap: () async {
                  await Navigator.pushNamed(context, "/upd");
                  setState(() {});
                },
                leading: Icon(Icons.update),
              ),
              ListTile(
                title: Text("Trip Map"),
                leading: Icon(Icons.map),
                subtitle: Text(
                  "View a map of the route\n(NOTE: This is not live, and reflects the current state as of the time the map is opened.)",
                ),
                onTap: () async {
                  await Navigator.pushNamed(context, "/map");
                },
              ),
              ListTile(
                title: Text("RESET APP SESSION"),
                onTap: () async {
                  setState(() {
                    SessionData.IsOnTheClock = false;
                    SessionData.StartTime = 0;
                    SessionData.Trips = [];
                    SessionData.currentDelivery = null;
                    SessionData.currentTrip = null;
                  });
                },
              ),
            ],
          ),
        ),
      ),
      body: SingleChildScrollView(
        child: Column(
          children: [
            Text(
              "Hit engage when you are ready to go online and start tracking location data, and trips.",
              style: TextStyle(fontSize: 18),
            ),
            if (!SessionData.IsOnTheClock)
              Center(
                child: ElevatedButton(
                  onPressed: () async {
                    setState(() {
                      SessionData.Login();
                    });
                  },
                  child: Text("ENGAGE"),
                ),
              ),

            if (SessionData.IsOnTheClock) GetLoggedInWidgets(),
          ],
        ),
      ),
    );
  }

  Widget GetTripWidgets() {
    return Column(
      children: [
        Text(
          "Trip started; Base Pay: \$${SessionData.currentTrip!.BasePay}",
          style: TextStyle(fontSize: 18),
        ),
        Text(
          "To end both your current delivery, and the trip, tap on END TRIP",
          style: TextStyle(fontSize: 18),
        ),
        Text(
          "You are currently on Delivery #${SessionData.currentTrip!.deliveries.length}",
        ),
        ElevatedButton(
          onPressed: () async {
            var reply = await showDialog(
              context: context,
              builder: (bld) {
                return InputPrompt(
                  title: "What was the tip?",
                  prompt: "If there was no tip, enter a 0, or just hit submit.",
                  type: InputPromptType.Number,
                );
              },
            );

            if (reply == null || reply == "") reply = "0";
            double tip = double.parse(reply as String);
            SessionData.currentDelivery!.TipAmount = tip;
            SessionData.currentDelivery!.MarkEndLocation();

            SessionData.EndTrip();

            setState(() {});
          },
          child: Text("END TRIP"),
        ),
      ],
    );
  }

  Widget GetDeliveryWidgets() {
    return Column(
      children: [
        ElevatedButton(
          onPressed: () async {
            var reply = await showDialog(
              context: context,
              builder: (bld) {
                return InputPrompt(
                  title: "What was the tip?",
                  prompt:
                      "If there was no tip, enter a 0, or hit submit and leave blank",
                  type: InputPromptType.Number,
                );
              },
            );

            if (reply == null || reply == "") reply = "0";
            double tip = double.parse(reply as String);
            SessionData.currentDelivery!.TipAmount = tip;
            SessionData.currentDelivery!.MarkEndLocation();
            SessionData.GetNewDelivery();

            setState(() {});
          },
          child: Text("Start new delivery"),
        ),
      ],
    );
  }

  Widget GetNonTripWidgets() {
    return Column(
      children: [
        ElevatedButton(
          onPressed: () async {
            var reply = await showDialog(
              context: context,
              builder: (builder) {
                return InputPrompt(
                  title: "What is the base pay?",
                  prompt: "Enter the base pay amount below.",
                  type: InputPromptType.Number,
                );
              },
            );
            if (reply == null || reply == "") reply = "0";

            double basePay = double.parse(reply as String);
            SessionData.GetNewTrip(basePay: basePay);
            SessionData.GetNewDelivery();

            setState(() {});
          },
          child: Text("Start New Trip"),
        ),
        ElevatedButton(
          onPressed: () async {
            if (SessionData.currentTrip != null ||
                SessionData.currentDelivery != null) {
              showDialog(
                context: context,
                builder: (build) {
                  return AlertDialog(
                    title: Text("Cannot end work day"),
                    content: Text(
                      "You must end the trip and any delivery before you can fully end the work day.",
                    ),
                  );
                },
              );
            } else {
              SessionData.Logout();
              setState(() {});
            }
          },
          child: Text("End work day"),
        ),
      ],
    );
  }

  Widget GetLoggedInWidgets() {
    return Column(
      children: [
        Text(
          "You are now on the clock\nYour location is being tracked for record keeping purposes.\n\nYou started at ${SessionData.StartTimeAsDateTime}\n\n",
          style: TextStyle(fontSize: 18),
        ),
        if (SessionData.currentTrip != null) GetTripWidgets(),
        if (SessionData.currentDelivery != null) GetDeliveryWidgets(),
        if (SessionData.currentTrip == null) GetNonTripWidgets(),
      ],
    );
  }
}