package de.hysky.skyblocker.skyblock.fancybars;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import de.hysky.skyblocker.SkyblockerMod;
import de.hysky.skyblocker.utils.render.RenderHelper;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.font.TextRenderer;
import net.minecraft.client.gui.*;
import net.minecraft.client.gui.screen.narration.NarrationMessageBuilder;
import net.minecraft.client.gui.widget.ClickableWidget;
import net.minecraft.client.gui.widget.Widget;
import net.minecraft.text.Text;
import net.minecraft.util.Identifier;
import org.apache.commons.lang3.builder.ToStringBuilder;
import org.jetbrains.annotations.Nullable;

import java.awt.*;
import java.util.function.Consumer;

public class StatusBar implements Widget, Drawable, Element, Selectable {

    private static final Identifier BAR_FILL = new Identifier(SkyblockerMod.NAMESPACE, "bars/bar_fill");
    private static final Identifier BAR_BACK = new Identifier(SkyblockerMod.NAMESPACE, "bars/bar_back");


   /* public static final Codec<StatusBar> CODEC = RecordCodecBuilder.create(instance -> instance.group(
                    Codec.INT.fieldOf("size").forGetter(bar -> bar.size),
                    Codec.INT.fieldOf("x").forGetter(bar -> bar.gridX),
                    Codec.INT.fieldOf("y").forGetter(bar -> bar.gridY),
                    Codec.STRING.listOf().fieldOf("colors").xmap(
                                    strings -> strings.stream().map(s -> Integer.parseInt(s, 16)).map(Color::new).toArray(Color[]::new),
                                    colors -> Arrays.stream(colors).map(color -> Integer.toHexString(color.getRGB())).toList())
                            .forGetter(StatusBar::getColors),
                    Codec.STRING.optionalFieldOf("text_color").xmap(
                                    s -> {
                                        if (s.isPresent()) {
                                            return Optional.of(new Color(Integer.parseInt(s.get(), 16)));
                                        } else return Optional.empty();
                                    },
                                    o -> o.map(object -> Integer.toHexString(((Color) object).getRGB())))
                            .forGetter(bar -> {
                                if (bar.getTextColor() != null) {
                                    return Optional.of(bar.getTextColor());
                                } else return Optional.empty();
                            }),
                    Codec.BOOL.optionalFieldOf("show_text", true).forGetter(StatusBar::showText),
                    Codec.STRING.fieldOf("icon_position").xmap(
                            IconPosition::valueOf,
                            Enum::toString
                    ).forGetter(bar -> bar.iconPosition)
            )

            .apply(instance, ));*/

    private final Identifier icon;

    public Color[] getColors() {
        return colors;
    }

    public boolean hasOverflow() {
        return hasOverflow;
    }

    public @Nullable Color getTextColor() {
        return textColor;
    }

    private Color[] colors;
    private final boolean hasOverflow;

    public void setTextColor(@Nullable Color textColor) {
        this.textColor = textColor;
    }

    private @Nullable Color textColor;

    public Text getName() {
        return name;
    }

    private final Text name;

    private @Nullable OnClick onClick = null;
    public int gridX = 0;
    public int gridY = 0;
    public @Nullable BarPositioner.BarAnchor anchor = null;

    public int size = 1;
    private int width = 0;

    public float fill = 0;
    public float overflowFill = 0;
    public boolean inMouse = false;

    private Object value = "";

    private int x = 0;
    private int y = 0;

    private IconPosition iconPosition = IconPosition.LEFT;
    private boolean showText = true;

    public StatusBar(Identifier icon, Color[] colors, boolean hasOverflow, @Nullable Color textColor, Text name) {
        this.icon = icon;
        this.colors = colors;
        this.hasOverflow = hasOverflow;
        this.textColor = textColor;
        this.name = name;
    }

    public StatusBar(Identifier icon, Color[] colors, boolean hasOverflow, @Nullable Color textColor) {
        this(icon, colors, hasOverflow, textColor, Text.empty());
    }

    @Override
    public void render(DrawContext context, int mouseX, int mouseY, float delta) {
        if (width <= 0) return;
        // half works lol. only puts transparency on the filler of the bar
        if (inMouse) context.setShaderColor(1f, 1f, 1f, 0.25f);
        switch (iconPosition) {
            case LEFT -> context.drawGuiTexture(icon, x, y, 9, 9);
            case RIGHT -> context.drawGuiTexture(icon, x + width - 9, y, 9, 9);
        }

        int barWith = iconPosition.equals(IconPosition.OFF) ? width : width - 10;
        int barX = iconPosition.equals(IconPosition.LEFT) ? x + 10 : x;
        context.drawGuiTexture(BAR_BACK, barX, y + 1, barWith, 7);
        RenderHelper.renderNineSliceColored(context, BAR_FILL, barX + 1, y + 2, (int) ((barWith - 2) * fill), 5, colors[0]);


        if (hasOverflow && overflowFill > 0) {
            RenderHelper.renderNineSliceColored(context, BAR_FILL, barX + 1, y + 2, (int) ((barWith - 2) * overflowFill), 5, colors[1]);
        }
        if (inMouse) context.setShaderColor(1f, 1f, 1f, 1f);
        //context.drawText(MinecraftClient.getInstance().textRenderer, gridX + " " + gridY + " s:" + size , x, y-9, Colors.WHITE, true);
    }

    public void updateValues(float fill, float overflowFill, Object text) {
        this.value = text;
        this.fill = fill;
        this.overflowFill = overflowFill;
    }

    public void renderText(DrawContext context) {
        TextRenderer textRenderer = MinecraftClient.getInstance().textRenderer;
        int barWith = iconPosition.equals(IconPosition.OFF) ? width : width - 10;
        int barX = iconPosition.equals(IconPosition.LEFT) ? x + 11 : x;
        String text = this.value.toString();
        int x = barX + (barWith - textRenderer.getWidth(text)) / 2;
        int y = this.y - 3;

        final int[] offsets = new int[]{-1, 1};
        for (int i : offsets) {
            context.drawText(textRenderer, text, x + i, y, 0, false);
            context.drawText(textRenderer, text, x, y + i, 0, false);
        }
        context.drawText(textRenderer, text, x, y, (textColor == null ? colors[0] : textColor).getRGB(), false);
    }

    public void renderCursor(DrawContext context, int mouseX, int mouseY, float delta) {
        int temp_x = x;
        int temp_y = y;
        int temp_width = width;
        boolean temp_ghost = inMouse;

        x = mouseX;
        y = mouseY;
        width = 100;
        inMouse = false;

        render(context, mouseX, mouseY, delta);

        x = temp_x;
        y = temp_y;
        width = temp_width;
        inMouse = temp_ghost;
    }

    // GUI shenanigans

    @Override
    public void setX(int x) {
        this.x = x;
    }

    @Override
    public void setY(int y) {
        this.y = y;
    }

    @Override
    public int getX() {
        return x;
    }

    @Override
    public int getY() {
        return y;
    }

    @Override
    public int getWidth() {
        return width;
    }

    public void setWidth(int width) {
        this.width = width;
    }

    @Override
    public int getHeight() {
        return 9;
    }

    @Override
    public ScreenRect getNavigationFocus() {
        return Widget.super.getNavigationFocus();
    }

    @Override
    public boolean isMouseOver(double mouseX, double mouseY) {
        return mouseX >= x && mouseX <= x + getWidth() && mouseY >= y && mouseY <= y + getHeight();
    }

    @Override
    public void forEachChild(Consumer<ClickableWidget> consumer) {
    }

    @Override
    public void setFocused(boolean focused) {
    }

    @Override
    public boolean isFocused() {
        return false;
    }

    @Override
    public SelectionType getType() {
        return SelectionType.NONE;
    }

    @Override
    public boolean mouseClicked(double mouseX, double mouseY, int button) {
        if (!isMouseOver(mouseX, mouseY)) return false;
        if (onClick != null) {
            onClick.onClick(this, button, (int) mouseX, (int) mouseY);
        }
        return true;
    }

    public void setOnClick(@Nullable OnClick onClick) {
        this.onClick = onClick;
    }

    @Override
    public void appendNarrations(NarrationMessageBuilder builder) {
    }

    @Override
    public String toString() {
        return new ToStringBuilder(this)
                .append("name", name)
                .append("gridX", gridX)
                .append("gridY", gridY)
                .append("size", size)
                .append("x", x)
                .append("y", y)
                .append("width", width)
                .append("anchor", anchor)
                .toString();
    }

    public IconPosition getIconPosition() {
        return iconPosition;
    }

    public void setIconPosition(IconPosition iconPosition) {
        this.iconPosition = iconPosition;
    }

    public boolean showText() {
        return showText;
    }

    public void setShowText(boolean showText) {
        this.showText = showText;
    }

    public enum IconPosition {
        LEFT,
        RIGHT,
        OFF
    }

    @FunctionalInterface
    public interface OnClick {

        void onClick(StatusBar statusBar, int button, int mouseX, int mouseY);
    }

    public void loadFromJson(JsonObject object) {
        // Make colors optional, so it's easy to reset to default
        if (object.has("colors")) {
            JsonArray colors1 = object.get("colors").getAsJsonArray();
            if (colors1.size() < 2 && hasOverflow) {
                throw new IllegalStateException("Missing second color of bar that has overflow");
            }
            Color[] newColors = new Color[colors1.size()];
            for (int i = 0; i < colors1.size(); i++) {
                JsonElement jsonElement = colors1.get(i);
                newColors[i] = new Color(Integer.parseInt(jsonElement.getAsString(), 16));
            }
            this.colors = newColors;
        }

        if (object.has("text_color")) this.textColor = new Color(Integer.parseInt(object.get("text_color").getAsString(), 16));

        String maybeAnchor = object.get("anchor").getAsString().trim();
        this.anchor = maybeAnchor.equals("null") ? null : BarPositioner.BarAnchor.valueOf(maybeAnchor);
        this.size = object.get("size").getAsInt();
        this.gridX = object.get("x").getAsInt();
        this.gridY = object.get("y").getAsInt();
        // these are optional too, why not
        if (object.has("icon_position")) this.iconPosition = IconPosition.valueOf(object.get("icon_position").getAsString().trim());
        if (object.has("show_text")) this.showText = object.get("show_text").getAsBoolean();

    }

    public JsonObject toJson() {
        JsonObject object = new JsonObject();
        JsonArray colors1 = new JsonArray();
        for (Color color : colors) {
            colors1.add(Integer.toHexString(color.getRGB()).substring(2));
        }
        object.add("colors", colors1);
        if (textColor != null) {
            object.addProperty("text_color", Integer.toHexString(textColor.getRGB()).substring(2));
        }
        object.addProperty("size", size);
        if (anchor != null) {
            object.addProperty("anchor", anchor.toString());
        } else object.addProperty("anchor", "null");
        object.addProperty("x", gridX);
        object.addProperty("y", gridY);
        object.addProperty("icon_position", iconPosition.toString());
        object.addProperty("show_text", showText);
        return object;
    }
}