/*
 * This file is part of Applied Energistics 2.
 * Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
 *
 * Applied Energistics 2 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Applied Energistics 2 is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
 */

package appeng.client.gui.widgets;

import com.mojang.blaze3d.matrix.MatrixStack;

import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.widget.Widget;
import net.minecraft.util.ResourceLocation;
import net.minecraft.util.text.ITextComponent;
import net.minecraft.util.text.StringTextComponent;
import net.minecraftforge.fml.client.gui.GuiUtils;

import appeng.container.interfaces.IProgressProvider;
import appeng.core.localization.GuiText;

public class ProgressBar extends Widget implements ITooltip {

    private final IProgressProvider source;
    private final ResourceLocation texture;
    private final int fill_u;
    private final int fill_v;
    private final Direction layout;
    private final ITextComponent titleName;
    private ITextComponent fullMsg;

    public ProgressBar(final IProgressProvider source, final String texture, final int posX, final int posY,
            final int u, final int y, final int width, final int height, final Direction dir) {
        this(source, texture, posX, posY, u, y, width, height, dir, null);
    }

    public ProgressBar(final IProgressProvider source, final String texture, final int posX, final int posY,
            final int u, final int y, final int width, final int height, final Direction dir,
            final ITextComponent title) {
        super(posX, posY, width, height, StringTextComponent.EMPTY);
        this.source = source;
        this.texture = new ResourceLocation("appliedenergistics2", "textures/" + texture);
        this.fill_u = u;
        this.fill_v = y;
        this.layout = dir;
        this.titleName = title;
    }

    @Override
    public void renderButton(MatrixStack matrixStack, final int par2, final int par3, final float partial) {
        if (this.visible) {
            Minecraft.getInstance().getTextureManager().bindTexture(this.texture);
            final int max = this.source.getMaxProgress();
            final int current = this.source.getCurrentProgress();

            if (this.layout == Direction.VERTICAL) {
                final int diff = this.height - (max > 0 ? (this.height * current) / max : 0);
                GuiUtils.drawTexturedModalRect(this.x, this.y + diff, this.fill_u, this.fill_v + diff, this.width,
                        this.height - diff, 0);
            } else {
                final int diff = this.width - (max > 0 ? (this.width * current) / max : 0);
                GuiUtils.drawTexturedModalRect(this.x, this.y, this.fill_u + diff, this.fill_v, this.width - diff,
                        this.height, 0);
            }
        }
    }

    public void setFullMsg(final ITextComponent msg) {
        this.fullMsg = msg;
    }

    @Override
    public ITextComponent getTooltipMessage() {
        if (this.fullMsg != null) {
            return this.fullMsg;
        }
        ITextComponent result = this.titleName != null ? this.titleName : StringTextComponent.EMPTY;

        return result.deepCopy().appendString("\n").appendString(this.source.getCurrentProgress() + " ")
                .append(GuiText.Of.text().deepCopy().appendString(" " + this.source.getMaxProgress()));
    }

    @Override
    public int getTooltipAreaX() {
        return this.x - 2;
    }

    @Override
    public int getTooltipAreaY() {
        return this.y - 2;
    }

    @Override
    public int getTooltipAreaWidth() {
        return this.width + 4;
    }

    @Override
    public int getTooltipAreaHeight() {
        return this.height + 4;
    }

    @Override
    public boolean isTooltipAreaVisible() {
        return true;
    }

    public enum Direction {
        HORIZONTAL, VERTICAL
    }
}