using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Diagnostics;
using System.Security.Cryptography;
using System.Media;

namespace BruhSpeedrunTimer {
    public partial class Form1 : Form {

        Stopwatch sw = new Stopwatch();

        [DllImport("User32.dll")]
        public static extern short GetAsyncKeyState(Keys ArrowKeys);

        public Form1() {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e) {
            SetShowAdvanced(false);
        }

        public string GetHash(string text) {
            // [REDACTED]
        }

        public string GetRawTimeStringNow() {
            string paddedHr = DateTime.Now.Hour.ToString().PadRight(2, '0');
            string paddedMin = DateTime.Now.Minute.ToString().PadRight(2, '0');
            string paddedSec = DateTime.Now.Second.ToString().PadRight(2, '0');

            return paddedHr + ":" + paddedMin + ":" + paddedSec + "." + (DateTime.Now.Millisecond / 10).ToString().PadRight(2, '0');
        }

        public void Log(string text) {
            txtLog.AppendText(text);
        }

        private void TimerTimeUpdater_Tick(object sender, EventArgs e) {
            HandleKeyPresses();
            toolStripStatusLabel1.Text = "Time: " + GetRawTimeStringNow();
            string totalMinStr = ((int)sw.Elapsed.TotalMinutes).ToString().PadLeft(2, '0');
            string totalSecStr = ((int)sw.Elapsed.Seconds).ToString().PadLeft(2, '0');
            lblStopwatchMajor.Text = totalMinStr + ":" + totalSecStr;
            lblStopwatchMinor.Text = sw.Elapsed.Milliseconds.ToString().PadLeft(3,'0');
        }

        public void HandleKeyPresses() {
            if (GetAsyncKeyState(Keys.F6) != 0 && button1.Enabled) {
                StartTimer();
            }
            if (GetAsyncKeyState(Keys.F7) != 0 && button2.Enabled) {
                PauseTimer();
            }
            if (GetAsyncKeyState(Keys.F8) != 0 && button3.Enabled) {
                ResetTimer();
            }
        }

        // Timer operations
        public void StartTimer() {
            Log("Started timer at " + GetRawTimeStringNow() + Environment.NewLine);
            sw.Start();
            txtHash.Text = GetHash(txtLog.Text);

            SystemSounds.Exclamation.Play();
            SystemSounds.Exclamation.Play();

            button1.Enabled = false;
            button2.Enabled = true;
            button3.Enabled = true;
        }

        public void PauseTimer() {
            Log("Stopped timer at " + GetRawTimeStringNow() + ", when it read " + lblStopwatchMajor.Text + "." + lblStopwatchMinor.Text + Environment.NewLine);
            sw.Stop();
            txtHash.Text = GetHash(txtLog.Text);

            SystemSounds.Exclamation.Play();
            SystemSounds.Exclamation.Play();

            button1.Enabled = true;
            button2.Enabled = false;
            button3.Enabled = true;
        }

        public void ResetTimer() {
            Log("Reset timer at " + GetRawTimeStringNow() + ", when it read " + lblStopwatchMajor.Text + "." + lblStopwatchMinor.Text + Environment.NewLine);
            sw.Reset();
            txtHash.Text = GetHash(txtLog.Text);

            SystemSounds.Exclamation.Play();
            SystemSounds.Exclamation.Play();

            button1.Enabled = true;
            button2.Enabled = false;
            button3.Enabled = false;
        }

        private void Button1_Click(object sender, EventArgs e) {
            StartTimer();
        }

        private void Button2_Click(object sender, EventArgs e) {
            PauseTimer();
        }

        private void Button3_Click(object sender, EventArgs e) {
            ResetTimer();
        }

        private void BtnGetHash_Click(object sender, EventArgs e) {
            txtOwnHash.Text = GetHash(txtOwn.Text);
        }

        private void LinkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e) {
            SetShowAdvanced(!groupAdvanced.Visible);
        }

        public void SetShowAdvanced(bool show) {
            foreach (Control c in groupAdvanced.Controls) {
                c.Visible = show;
            }
            groupAdvanced.Visible = show;
            if (show) {
                this.Size = new Size(this.Width, 550);
            } else {
                this.Size = new Size(this.Width, 250);
            }
        }
    }
}