using ImageMagick;
using Kehyeedra3.Services.Models;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Kehyeedra3
{
    public static class Helpers
    {
		public static async Task<(MagickImageCollection cardCollection, MagickFormat outFormatEnum, string outFormat)> MakeFishCardAsync(Fish fish, ulong currentXp, ulong floorXp, ulong nextLevelXp, string levelUp, int weight, ulong xp, int dcatch)
		{
			string path = Path.Combine(Environment.CurrentDirectory, "btextures");
			string fpath = Path.Combine(path, "fish");
			string[] vowels = new string[] { "a", "e", "i", "o", "u" };
			string label = $"You caught a{(vowels.Contains((fish.Name[0].ToString()).ToLower()) ? "n" : "")} {fish.Name}.\n{weight / 100d}kg {fish.Rarity} fish.\n\nYou gain {xp}xp.\n{levelUp.Replace("*", "")}.";
			if (dcatch != 1)
			{
				label = $"You caught {dcatch} {fish.Name}.\n{weight / 100d}kg {fish.Rarity} fish.\n\nYou gain {xp}xp.\n{levelUp.Replace("*", "")}.";
			}
			if (levelUp.Contains("reach"))
			{
				label = label.Replace("\nYou gain", "\n\nYou gain");
			}

			string tier = "";
			switch (fish.Tier)
			{
				case FishTier.T1:
					{
						tier = "tier1";
					}
					break;
				case FishTier.T2:
					{
						tier = "tier2";
					}
					break;
				case FishTier.T3:
					{
						tier = "tier3";
					}
					break;
				case FishTier.T4:
					{
						tier = "tier4";
					}
					break;
			}
			if (fish.Rarity == FishRarity.Unreasonable)
			{
				tier = "tieru";
			}

			try
			{
                MagickImage tempCard = new MagickImage(Path.Combine(path, "background.png"));

				DrawableFont font = new DrawableFont(Path.Combine(path, "COMIC.TTF"));

				using (MagickImage frame = new MagickImage(Path.Combine(path, "scover.png"), new MagickReadSettings //cover
				{
					BackgroundColor = MagickColors.None
				}))
				{
					tempCard.Composite(frame, CompositeOperator.Over);
				}

				//draw to tempcard
				{
					using (MagickImage frame = new MagickImage(Path.Combine(path, "frame.png"), new MagickReadSettings //frame
					{
						BackgroundColor = MagickColors.None
					}))
					{
						tempCard.Composite(frame, CompositeOperator.Over);
					}
					
					using (MagickImage stats = new MagickImage($"label:" + label, new MagickReadSettings
						{
							BackgroundColor = MagickColors.None,
							FillColor = MagickColors.White,
							FontPointsize = 14,
							Font = font.Family,
							TextAntiAlias = false,
							StrokeAntiAlias = false
						}))
					{
						tempCard.Composite(stats, 139, 5, CompositeOperator.Over);
					}

					//draw progressbar
					if (currentXp != 0)
					{
						using (MagickImage xpBar = new MagickImage(Path.Combine(path, "xpbar.png"), new MagickReadSettings //xpbar
						{
							BackgroundColor = MagickColors.None
						}))
						{
							using (var mask = new MagickImage("xc:none", xpBar.Width, xpBar.Height))
							{
								var h = (int)currentXp.Remap(floorXp, nextLevelXp, 5, 128);

								mask.Draw(new DrawableFillColor(MagickColors.White), new DrawableRectangle(0, 128, xpBar.Width, 128 - h));

								xpBar.Composite(mask, CompositeOperator.CopyAlpha);
							}

							tempCard.Composite(xpBar, 405, 5, CompositeOperator.Over);
						}
					}
				}

				MagickImageCollection cardCollection = await Extensions.GifPngMergeAsync(
					tempCard,
					Path.Combine(fpath, fish.Texture),
					new Rectangle(10, 10, 128, 128),
					PixelInterpolateMethod.Nearest,
					true
				);

                tempCard.Dispose();

				foreach(var card in cardCollection)
				{
					using (MagickImage frame = new MagickImage(Path.Combine(path, $"{tier}.png"), new MagickReadSettings //tier glow
					{
						BackgroundColor = MagickColors.None
					}))
					{
						card.Composite(frame, 5, 5, CompositeOperator.Over);
					}
				}

				MagickFormat outFormat = MagickFormat.Png;

				if (cardCollection.Count > 1)
				{
					outFormat = MagickFormat.Gif;
				}

				return (cardCollection, outFormat, outFormat.ToString().ToLowerInvariant());
			}
			catch (Exception ex)
			{
				Console.WriteLine(ex);
			}

            return (null, MagickFormat.Png, MagickFormat.Png.ToString().ToLowerInvariant());
		}
	}
}