using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;

namespace GamerServices
{
    public partial class FormAbout : Form
    {
        public float TextHeight;
        public String[] TextLines;

        public FormAbout()
        {
            InitializeComponent();

            this.TextHeight = Stage.Height + 6;
            this.TextLines = File.ReadAllText("Media/Credits.txt").Split('\n');
        }

        private void buttonClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void FormAbout_Load(object sender, EventArgs e)
        {
            this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
            this.SetStyle(ControlStyles.UserPaint, true);
            this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
        }

        private void Stage_Paint(object sender, PaintEventArgs e)
        {
            Graphics g = e.Graphics;

            g.Clear(this.BackColor);
            g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
            g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;

            for (int i = 0; i < this.TextLines.Length; i++)
            {
                Font font = this.fontLabel.Font;

                if (this.TextLines[i].StartsWith("[B]"))
                    font = new Font(font, FontStyle.Bold);

                if (this.TextLines[i].StartsWith("[H1]"))
                    font = new Font(font.FontFamily, 20, FontStyle.Bold);

                if (this.TextLines[i].StartsWith("[H2]"))
                    font = new Font(font.FontFamily, 16, FontStyle.Bold);

                g.DrawString(this.TextLines[i].Replace("[B]", "").Replace("[H1]", "").Replace("[H2]", ""), font, Brushes.Black, new PointF(Stage.Width / 2f, (this.fontLabel.Font.Size + 2) * i + this.TextHeight), new StringFormat() { Alignment = StringAlignment.Center, LineAlignment = StringAlignment.Center });
            }
        }

        private void timerUpdate_Tick(object sender, EventArgs e)
        {
            this.TextHeight -= 0.5f;

            if (this.TextHeight < -((this.fontLabel.Font.Size + 2) * this.TextLines.Length))
                this.TextHeight = Stage.Height + 6;

            Stage.Invalidate();
        }
    }
}