using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Plugin.LocalNotification;
using WguApp.Services;

namespace WguApp.Views;

public partial class TestPage : ContentPage
{
    public TestPage()
    {
        InitializeComponent();
    }

    private async void TestBtn_OnClicked(object? sender, EventArgs e)
    {
        if (await LocalNotificationCenter.Current.AreNotificationsEnabled() == false)
        {
            await LocalNotificationCenter.Current.RequestNotificationPermission();
        }
        
        var notification = new NotificationRequest
        {
            NotificationId = 1,
            Title = "Notification Test",
            Description = "Success!",
            Schedule =
            {
                NotifyTime = DateTime.Now.AddSeconds(30),
                RepeatType = NotificationRepeat.No
            }
        };
        await LocalNotificationCenter.Current.Show(notification);

        await DisplayAlert("Info", "A test notification should appear in 30 seconds", "ok");
    }

    private async void AddData_OnCLicked(object? sender, EventArgs e)
    {
        var result = await DisplayAlert("Load Sample Data", "Do you really want to load DB sample data? This will delete ALL data from the database. This action cannot be undone.", "Yes", "No");
        if  (!result) return;
        
        await DatabaseService.LoadSampleData();
        
        var terms = await DatabaseService.GetAllTerms();
        var courses  = await DatabaseService.GetAllCourses();
        var assessments = await DatabaseService.GetAllAssessments();

        await DisplayAlert("Info", $"Tried to load sample db data, there are now {terms.Count} Terms, {courses.Count} Courses, and {assessments.Count} Assessments", "Ok");
    }

    private async void Delete_OnClicked(object? sender, EventArgs e)
    {
        var terms = await DatabaseService.GetAllTerms();
        var courses  = await DatabaseService.GetAllCourses();
        var assessments = await DatabaseService.GetAllAssessments();
        
        var result = await DisplayAlert("Delete DB Data", $"Do you really want to delete the DB data? This will delete ALL data from the database. This action cannot be undone.\nThere are currently {terms.Count} Terms, {courses.Count} Courses, and {assessments.Count} Assessments", "Yes", "No");
        if (!result) return;

        await DatabaseService.ClearDbData();
        
        terms = await DatabaseService.GetAllTerms();
        courses  = await DatabaseService.GetAllCourses();
        assessments = await DatabaseService.GetAllAssessments();

        await DisplayAlert("Info", $"Tried to delete db data, there are now {terms.Count} Terms, {courses.Count} Courses, and {assessments.Count} Assessments", "Ok");
    }

    private async void ShareButton_OnClick(object? sender, EventArgs e)
    {
        await Share.Default.RequestAsync(new ShareTextRequest
        {
            Text = "Test Share Text",
            Title = "Share Text"
        });
    }

    private async void ListNotifs_Clicked(object? sender, EventArgs e)
    {
        var pendingNotifs = await LocalNotificationCenter.Current.GetPendingNotificationList();

        var message = pendingNotifs.Aggregate($"-- Scheduled notifications ({pendingNotifs.Count}) --\n", 
            (current, notif) => current + $"{notif.Title} : {notif.Schedule.NotifyTime}\n");
        
        await DisplayAlert("Info", message, "Ok");
    }

    private void TestLogger_Clicked(object? sender, EventArgs e)
    {
        LoggerService.LogToFile("Test");
    }

    private async void ClearAllNotifs_Clicked(object? sender, EventArgs e)
    {
        var pendingNotifs = await LocalNotificationCenter.Current.GetPendingNotificationList();

        foreach (var notificationRequest in pendingNotifs)
        {
            await LocalNotificationService.CancelNotification(notificationRequest.NotificationId);
        }
    }

    private async void ShowLog_Clicked(object? sender, EventArgs e)
    {
        var logFilePath = Path.Combine(FileSystem.AppDataDirectory, "log.txt");

        await DisplayAlert("Log", await File.ReadAllTextAsync(logFilePath), "Ok");
    }

    private void ClearLog_Clicked(object? sender, EventArgs e)
    {
        var logFilePath = Path.Combine(FileSystem.AppDataDirectory, "log.txt");
        
        File.WriteAllText(logFilePath, "");
    }
}