#include "AudibleInstruments.hpp"
#include <string.h>


struct Veils : Module {
	enum ParamIds {
		GAIN1_PARAM,
		GAIN2_PARAM,
		GAIN3_PARAM,
		GAIN4_PARAM,
		RESPONSE1_PARAM,
		RESPONSE2_PARAM,
		RESPONSE3_PARAM,
		RESPONSE4_PARAM,
		NUM_PARAMS
	};
	enum InputIds {
		IN1_INPUT,
		IN2_INPUT,
		IN3_INPUT,
		IN4_INPUT,
		CV1_INPUT,
		CV2_INPUT,
		CV3_INPUT,
		CV4_INPUT,
		NUM_INPUTS
	};
	enum OutputIds {
		OUT1_OUTPUT,
		OUT2_OUTPUT,
		OUT3_OUTPUT,
		OUT4_OUTPUT,
		NUM_OUTPUTS
	};
	enum LightIds {
		OUT1_POS_LIGHT, OUT1_NEG_LIGHT,
		OUT2_POS_LIGHT, OUT2_NEG_LIGHT,
		OUT3_POS_LIGHT, OUT3_NEG_LIGHT,
		OUT4_POS_LIGHT, OUT4_NEG_LIGHT,
		NUM_LIGHTS
	};

	Veils() : Module(NUM_PARAMS, NUM_INPUTS, NUM_OUTPUTS, NUM_LIGHTS) {}
	void step() override;
};


void Veils::step() {
	float out = 0.0;

	for (int i = 0; i < 4; i++) {
		float in = inputs[IN1_INPUT + i].value * params[GAIN1_PARAM + i].value;
		if (inputs[CV1_INPUT + i].active) {
			float linear = fmaxf(inputs[CV1_INPUT + i].value / 5.0, 0.0);
			linear = clamp(linear, 0.0f, 2.0f);
			const float base = 200.0;
			float exponential = rescale(powf(base, linear / 2.0f), 1.0f, base, 0.0f, 10.0f);
			in *= crossfade(exponential, linear, params[RESPONSE1_PARAM + i].value);
		}
		out += in;
		lights[OUT1_POS_LIGHT + 2*i].setBrightnessSmooth(fmaxf(0.0, out / 5.0));
		lights[OUT1_NEG_LIGHT + 2*i].setBrightnessSmooth(fmaxf(0.0, -out / 5.0));
		if (outputs[OUT1_OUTPUT + i].active) {
			outputs[OUT1_OUTPUT + i].value = out;
			out = 0.0;
		}
	}
}


struct VeilsWidget : ModuleWidget {
	VeilsWidget(Veils *module) : ModuleWidget(module) {
#ifdef USE_VST2
		setPanel(SVG::load(assetStaticPlugin("AudibleInstruments", "res/Veils.svg")));
#else
		setPanel(SVG::load(assetPlugin(plugin, "res/Veils.svg")));
#endif // USE_VST2

		addChild(Widget::create<ScrewSilver>(Vec(15, 0)));
		addChild(Widget::create<ScrewSilver>(Vec(150, 0)));
		addChild(Widget::create<ScrewSilver>(Vec(15, 365)));
		addChild(Widget::create<ScrewSilver>(Vec(150, 365)));

		addParam(ParamWidget::create<Rogan1PSWhite>(Vec(8, 52), module, Veils::GAIN1_PARAM, 0.0, 1.0, 0.0));
		addParam(ParamWidget::create<Rogan1PSWhite>(Vec(8, 131), module, Veils::GAIN2_PARAM, 0.0, 1.0, 0.0));
		addParam(ParamWidget::create<Rogan1PSWhite>(Vec(8, 210), module, Veils::GAIN3_PARAM, 0.0, 1.0, 0.0));
		addParam(ParamWidget::create<Rogan1PSWhite>(Vec(8, 288), module, Veils::GAIN4_PARAM, 0.0, 1.0, 0.0));

		addParam(ParamWidget::create<Trimpot>(Vec(72, 56), module, Veils::RESPONSE1_PARAM, 0.0, 1.0, 1.0));
		addParam(ParamWidget::create<Trimpot>(Vec(72, 135), module, Veils::RESPONSE2_PARAM, 0.0, 1.0, 1.0));
		addParam(ParamWidget::create<Trimpot>(Vec(72, 214), module, Veils::RESPONSE3_PARAM, 0.0, 1.0, 1.0));
		addParam(ParamWidget::create<Trimpot>(Vec(72, 292), module, Veils::RESPONSE4_PARAM, 0.0, 1.0, 1.0));

		addInput(Port::create<PJ301MPort>(Vec(110, 41), Port::INPUT, module, Veils::IN1_INPUT));
		addInput(Port::create<PJ301MPort>(Vec(110, 120), Port::INPUT, module, Veils::IN2_INPUT));
		addInput(Port::create<PJ301MPort>(Vec(110, 198), Port::INPUT, module, Veils::IN3_INPUT));
		addInput(Port::create<PJ301MPort>(Vec(110, 277), Port::INPUT, module, Veils::IN4_INPUT));

		addInput(Port::create<PJ301MPort>(Vec(110, 80), Port::INPUT, module, Veils::CV1_INPUT));
		addInput(Port::create<PJ301MPort>(Vec(110, 159), Port::INPUT, module, Veils::CV2_INPUT));
		addInput(Port::create<PJ301MPort>(Vec(110, 238), Port::INPUT, module, Veils::CV3_INPUT));
		addInput(Port::create<PJ301MPort>(Vec(110, 316), Port::INPUT, module, Veils::CV4_INPUT));

		addOutput(Port::create<PJ301MPort>(Vec(144, 41), Port::OUTPUT, module, Veils::OUT1_OUTPUT));
		addOutput(Port::create<PJ301MPort>(Vec(144, 120), Port::OUTPUT, module, Veils::OUT2_OUTPUT));
		addOutput(Port::create<PJ301MPort>(Vec(144, 198), Port::OUTPUT, module, Veils::OUT3_OUTPUT));
		addOutput(Port::create<PJ301MPort>(Vec(144, 277), Port::OUTPUT, module, Veils::OUT4_OUTPUT));

		addChild(ModuleLightWidget::create<MediumLight<GreenRedLight>>(Vec(152, 87), module, Veils::OUT1_POS_LIGHT));
		addChild(ModuleLightWidget::create<MediumLight<GreenRedLight>>(Vec(152, 166), module, Veils::OUT2_POS_LIGHT));
		addChild(ModuleLightWidget::create<MediumLight<GreenRedLight>>(Vec(152, 245), module, Veils::OUT3_POS_LIGHT));
		addChild(ModuleLightWidget::create<MediumLight<GreenRedLight>>(Vec(152, 324), module, Veils::OUT4_POS_LIGHT));
	}
};


RACK_PLUGIN_MODEL_INIT(AudibleInstruments, Veils) {
   Model *modelVeils = Model::create<Veils, VeilsWidget>("Audible Instruments", "Veils", "Quad VCA", MIXER_TAG);
   return modelVeils;
}