import { CanvasDropdown, CanvasTextInput } from "./canvastools.js"

export const NODE_TYPES = {
    Node: 0x01,
    Servo: 0x02,
    Curve: 0x03,
    Noise: 0x04,
    Variable: 0x05,
    Math: 0x06,
    Map: 0x07
};

export class Node {
    constructor(x, y, label, options = {}) {
        this.type = NODE_TYPES.Node;
        this.x = x;
        this.y = y;
        this.width = 120;
        this.height = 60;
        this.label = label;
        this.input = { x: 0, y: 0 };
        this.output = { x: 0, y: 0 };
        //console.log(options.fill);
        // Customizable visual options
        this.color = options.fill || "#fef6e4";     // pastel fill default
        this.border = options.stroke || "#333";     // border color default

        this.hasInput = false;
        this.hasOutput = false;

        this.updatePorts();
    }



    updatePorts() {
        this.input.x = this.x - 5;
        this.input.y = this.y + this.height / 2;
        this.output.x = this.x + this.width + 5;
        this.output.y = this.y + this.height / 2;
    }



    draw(ctx) {
        ctx.fillStyle = this.color;
        ctx.strokeStyle = this.border;
        ctx.lineWidth = 1;

        this.drawRoundedRect(ctx, this.x, this.y, this.width, this.height, 10);
        ctx.fill();
        ctx.stroke();

        ctx.fillStyle = "#000";
        ctx.font = "14px sans-serif";
        ctx.fillText(this.label, this.x + 10, this.y + 20);

        this.updatePorts();
        if (this.hasInput) {
            ctx.beginPath();
            ctx.arc(this.input.x, this.input.y, 6, 0, Math.PI * 2);
            ctx.fillStyle = "#888";
            ctx.fill();
        }

        if (this.hasOutput) {
            ctx.beginPath();
            ctx.arc(this.output.x, this.output.y, 6, 0, Math.PI * 2);
            ctx.fillStyle = "#888";
            ctx.fill();
        }
    }



    drawRoundedRect(ctx, x, y, w, h, r) {
        ctx.beginPath();
        ctx.moveTo(x + r, y);
        ctx.lineTo(x + w - r, y);
        ctx.quadraticCurveTo(x + w, y, x + w, y + r);
        ctx.lineTo(x + w, y + h - r);
        ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);
        ctx.lineTo(x + r, y + h);
        ctx.quadraticCurveTo(x, y + h, x, y + h - r);
        ctx.lineTo(x, y + r);
        ctx.quadraticCurveTo(x, y, x + r, y);
        ctx.closePath();
    }


    contains(x, y) {
        return x >= this.x && x <= this.x + this.width &&
            y >= this.y && y <= this.y + this.height;
    }

    hitOutput(x, y) {
        if (this.hasOutput) {
            return Math.hypot(x - this.output.x, y - this.output.y) < 8;
        } else {
            return null;
        }
    }

    hitInput(x, y) {
        if (this.hasInput) {
            return Math.hypot(x - this.input.x, y - this.input.y) < 8;
        } else {
            return null;
        }
    }
}

export class ServoNode extends Node {
    constructor(x, y, label, motorId) {
        super(x, y, label);
        this.type = NODE_TYPES.Servo;
        this.motorId = motorId;
        this.width = 140;
        this.height = 80;

        this.hasInput = true;
        this.hasOutput = false;
    }

    draw(ctx) {
        // Node box
        super.draw(ctx)

        // Motor ID display
        ctx.font = "12px sans-serif";
        ctx.fillText(`Motor ${this.motorId}`, this.x + 10, this.y + 40);

    }

    hitOutput(x, y) {
        return null;
    }

    contains(x, y) {
        return super.contains(x, y);
    }

    handleClick(mx, my) {

        if (this.contains(mx, my)) {
            window.setSelectedMotor?.(this.motorId); // or this.selectedMotorId if using dropdown
            return false;
        }
        return false;
    }


    handleMouseMove(mx, my) {
        return false;
    }

    get selectedMotorId() {
        return this.motorId;
    }
}

export class CurveNode extends Node {
    constructor(x, y, label = "Curve", curveId = 0) {
        super(x, y, label);
        this.type = NODE_TYPES.Curve;
        this.curveId = curveId;
        this.width = 140;
        this.height = 80;


        this.hasInput = false;
        this.hasOutput = true;
    }

    draw(ctx) {
        super.draw(ctx);

        // Curve ID display
        ctx.font = "12px sans-serif";
        ctx.fillText(`Curve ${this.curveId}`, this.x + 10, this.y + 40);

    }


    contains(x, y) {
        return super.contains(x, y);
    }

    handleClick(mx, my) {
        if (this.contains(mx, my)) {
            window.setSelectedMotor?.(this.curveId);
            return false;
        }
        return false;
    }


    handleMouseMove(mx, my) {
        return false;
    }

    update(dt) {
        // Placeholder: simulate curve output
        const t = Date.now() / 1000;
        this.lastValue = Math.sin(t + this.curveId); // simple sine curve
        return false;
    }

    get outputValue() {
        return this.lastValue;
    }
}

export class InputNode extends Node {
    constructor(x, y, label, options) {
        super(x, y, label);
        console.log(options);
        this.inputField = new CanvasTextInput(
            this.x + 10,
            this.y + 35,
            this.width - 20,
            "1.0",
            "",
            { defaultValue: 1.0, numericOnly: true, min: 0, max: 10 }
        );

    }



    draw(ctx) {
        // Node box
        ctx.fillStyle = this.color || "#e0f7ff";
        ctx.strokeStyle = this.border || "#333";
        ctx.lineWidth = 1;
        this.drawRoundedRect(ctx, this.x, this.y, this.width, this.height, 10);
        ctx.fill();
        ctx.stroke();

        // Label
        ctx.fillStyle = "#000";
        ctx.font = "14px sans-serif";
        ctx.fillText(this.label, this.x + 10, this.y + 20);

        // Input field
        this.inputField.x = this.x + 10;
        this.inputField.y = this.y + 35;
        this.inputField.draw(ctx);

        // Output port
        ctx.beginPath();
        ctx.arc(this.output.x, this.output.y, 6, 0, Math.PI * 2);
        ctx.fillStyle = "#888";
        ctx.fill();
    }

    contains(x, y) {
        return super.contains(x, y) || this.inputField.contains(x, y);
    }

    handleClick(mx, my) {
        console.log(mx, my);
        return this.inputField.handleClick(mx, my);
    }

    handleKey(e) {
        return this.inputField.handleKey(e);
    }


    get outputValue() {
        return this.inputField.numericValue;
    }
}

export class NoiseNode extends Node {
    constructor(x, y, label = "Noise Generator") {
        super(x, y, label);
        this.type = NODE_TYPES.Noise;
        this.width = 160;
        this.height = 280;

        this.modeDropdown = new CanvasDropdown(
            10, 35, this.width - 20,
            ["impulse", "pulse", "threshold", "smooth"],
            "impulse"
        );

        const inputConfigs = [
            { label: "Rate", value: "1.0", min: 0, max: 100 },
            { label: "Threshold", value: "0.8", min: 0, max: 1 },
            { label: "Pulse Width", value: "0.2", min: 0, max: 10 },
            { label: "Amplitude", value: "1.0", min: 0, max: 10 },
            { label: "Seed", value: "0", min: 0, max: 99999 }
        ];
        this.inputs = [];

        const inputSpacing = 42; // includes label + input height

        for (let i = 0; i < inputConfigs.length; i++) {
            const cfg = inputConfigs[i];
            const inputY = 74 + i * inputSpacing;

            this.inputs.push(new CanvasTextInput(
                10,
                inputY,
                undefined, // uses default width
                cfg.value,
                cfg.label,
                {
                    numericOnly: true,
                    min: cfg.min,
                    max: cfg.max
                }
            ));
        }

        this.lastValue = 0;
        this.timer = 0;
    }

    draw(ctx) {
        ctx.fillStyle = this.color || "#f0e6ff";
        ctx.strokeStyle = this.border || "#333";
        ctx.lineWidth = 1;
        this.drawRoundedRect(ctx, this.x, this.y, this.width, this.height, 10);
        ctx.fill();
        ctx.stroke();


        // Draw Label
        ctx.fillStyle = "#000";
        ctx.font = "14px sans-serif";
        ctx.fillText(this.label, this.x + 10, this.y + 20);

        // Draw inputs
        for (let i = 0; i < this.inputs.length; i++) {
            const input = this.inputs[i];
            input.x = this.x + input.offsetX;
            input.y = this.y + input.offsetY; // 👈 vertical stacking
            input.draw(ctx);
        }


        // Draw output port
        this.updatePorts();
        ctx.beginPath();
        ctx.arc(this.output.x, this.output.y, 6, 0, Math.PI * 2);
        ctx.fillStyle = "#888";
        ctx.fill();


        // Draw dropdowns LAST
        this.modeDropdown.x = this.x + this.modeDropdown.offsetX;
        this.modeDropdown.y = this.y + this.modeDropdown.offsetY;
        this.modeDropdown.draw(ctx);
    }

    contains(x, y) {
        return super.contains(x, y) ||
            this.modeDropdown.contains(x, y) ||
            this.inputs.some(input => input.contains(x, y));
    }

    handleClick(mx, my) {
        return this.modeDropdown.handleClick(mx, my) ||
            this.inputs.some(input => input.handleClick(mx, my));
    }

    handleKey(e) {
        return this.inputs.some(input => input.handleKey(e));
    }


    handleMouseMove(mx, my) {
        return this.modeDropdown.handleMouseMove(mx, my);
    }

    update(dt) {
        let needsRedraw = this.modeDropdown.update(dt);
        for (const input of this.inputs) {
            if (input.update(dt)) needsRedraw = true;
        }

        // Basic noise generation logic (placeholder)
        const mode = this.modeDropdown.selected;
        const rate = this.inputs[0].numericValue;
        const threshold = this.inputs[1].numericValue;
        const pulseWidth = this.inputs[2].numericValue;
        const amplitude = this.inputs[3].numericValue;
        const seed = this.inputs[4].numericValue;

        // Simple impulse logic for now
        if (mode === "impulse") {
            this.lastValue = Math.random() < rate * (dt / 1000) ? amplitude : 0;
        }

        return needsRedraw;
    }

    get outputValue() {
        return this.lastValue;
    }
}

export class VariableNode extends Node {
    constructor(x, y, label = "Variable") {
        super(x, y, label);
        this.type = NODE_TYPES.Variable;
        this.width = 160;
        this.height = 100;

        this.variableDropdown = new CanvasDropdown(
            10, 45, this.width - 20,
            ["faceDetectX", "faceDetectY", "sine", "analogRead()"],
            "sine"
        );


        this.hasInput = false;
        this.hasOutput = true;
    }

    draw(ctx) {
        super.draw(ctx);


        // Dropdown label
        ctx.fillText("Source", this.x + 10, this.y + 42);

        // Dropdown
        this.variableDropdown.x = this.x + this.variableDropdown.offsetX;
        this.variableDropdown.y = this.y + this.variableDropdown.offsetY;
        this.variableDropdown.draw(ctx);

    }

    contains(x, y) {
        return super.contains(x, y) || this.variableDropdown.contains(x, y);
    }

    handleClick(mx, my) {
        return this.variableDropdown.handleClick(mx, my);
    }

    handleMouseMove(mx, my) {
        return this.variableDropdown.handleMouseMove(mx, my);
    }

    update(dt) {
        const changed = this.variableDropdown.update(dt);

        // Simulated variable values (replace with real data source)
        const selected = this.variableDropdown.selected;
        if (selected === "faceDetectX") {
            this.lastValue = Math.random() * 640; // simulate X position
        } else if (selected === "faceDetectY") {
            this.lastValue = Math.random() * 480; // simulate Y position
        } else if (selected === "sine") {
            this.timer += dt;
            this.lastValue = Math.sin(this.timer / 1000);
        }

        return changed;
    }

    get outputValue() {
        return this.lastValue;
    }
}

export class MathNode extends Node {
    constructor(x, y, label = "Math") {
        super(x, y, label);
        this.type = NODE_TYPES.Math;
        this.width = 160;
        this.height = 100;

        this.operatorDropdown = new CanvasDropdown(
            10, 45, this.width - 20,
            ["*", "/", "+", "-"],
            "*"
        );
        this.valueInput = new CanvasTextInput(10, 75, this.width - 20, "1.0", "Value", { mode: "float" });


        this.hasInput = true;
        this.hasOutput = true;
    }

    draw(ctx) {
        super.draw(ctx);

        //ctx.fillText("Value", this.x + 10, this.y + 72);
        this.valueInput.x = this.x + this.valueInput.offsetX;
        this.valueInput.y = this.y + this.valueInput.offsetY;
        this.valueInput.draw(ctx);

        ctx.fillText("Operator", this.x + 10, this.y + 42);
        this.operatorDropdown.x = this.x + this.operatorDropdown.offsetX;
        this.operatorDropdown.y = this.y + this.operatorDropdown.offsetY;
        this.operatorDropdown.draw(ctx);
    }

    contains(x, y) {
        return (
            super.contains(x, y) ||
            this.operatorDropdown.contains(x, y) ||
            this.valueInput.contains(x, y)
        );
    }

    handleKey(e) {
        return this.valueInput.handleKey(e);
    }


    handleClick(mx, my) {
        return (
            this.operatorDropdown.handleClick(mx, my) ||
            this.valueInput.handleClick(mx, my)
        );
    }

    handleMouseMove(mx, my) {
        return (
            this.operatorDropdown.handleMouseMove(mx, my) ||
            this.valueInput.handleMouseMove(mx, my)
        );
    }

    update(dt) {
        const changedDropdown = this.operatorDropdown.update(dt);
        const changedInput = this.valueInput.update(dt);
        return changedDropdown || changedInput;
    }

    get outputValue() {
        const input = this.inputNode?.outputValue ?? 0;
        const value = parseFloat(this.valueInput.text) || 0;
        const op = this.operatorDropdown.selected;

        switch (op) {
            case "*": return input * value;
            case "/": return value !== 0 ? input / value : 0;
            case "+": return input + value;
            case "-": return input - value;
            default: return input;
        }
    }
}

export class MapNode extends Node {
    constructor(x, y, label = "Map") {
        super(x, y, label);
        this.type = NODE_TYPES.Map;
        this.width = 180;
        this.height = 180;

        this.inMinInput = new CanvasTextInput(10, 45, this.width - 20, "0", "In Min", { mode: "float" });
        this.inMaxInput = new CanvasTextInput(10, 70+10, this.width - 20, "1023", "In Max", { mode: "float" });
        this.outMinInput = new CanvasTextInput(10, 95+20, this.width - 20, "0", "Out Min", { mode: "float" });
        this.outMaxInput = new CanvasTextInput(10, 120+30, this.width - 20, "255", "Out Max", { mode: "float" });

        this.hasInput = true;
        this.hasOutput = true;
    }

    draw(ctx) {
        super.draw(ctx);
        for (const input of [this.inMinInput, this.inMaxInput, this.outMinInput, this.outMaxInput]) {
            input.x = this.x + input.offsetX;
            input.y = this.y + input.offsetY;
            input.draw(ctx);
        }
    }

    contains(x, y) {
        return super.contains(x, y) || [this.inMinInput, this.inMaxInput, this.outMinInput, this.outMaxInput].some(i => i.contains(x, y));
    }

    handleKey(e) {
    return (
        this.inMinInput.handleKey(e) ||
        this.inMaxInput.handleKey(e) ||
        this.outMinInput.handleKey(e) ||
        this.outMaxInput.handleKey(e)
    );
}


    handleClick(mx, my) {
        return [this.inMinInput, this.inMaxInput, this.outMinInput, this.outMaxInput].some(i => i.handleClick(mx, my));
    }

    handleMouseMove(mx, my) {
        return [this.inMinInput, this.inMaxInput, this.outMinInput, this.outMaxInput].some(i => i.handleMouseMove(mx, my));
    }

    update(dt) {
        return [this.inMinInput, this.inMaxInput, this.outMinInput, this.outMaxInput].some(i => i.update(dt));
    }

    get outputValue() {
        const input = this.inputNode?.outputValue ?? 0;
        const inMin = this.inMinInput.numericValue;
        const inMax = this.inMaxInput.numericValue;
        const outMin = this.outMinInput.numericValue;
        const outMax = this.outMaxInput.numericValue;

        if (inMax === inMin) return outMin;
        return ((input - inMin) * (outMax - outMin)) / (inMax - inMin) + outMin;
    }
}