Flipdot-display/test/mocks/BROSE9323.h

// Fake display driver for the native tests: records every call instead of flipping dots
#pragma once

#include <string>
#include <vector>

#include "Arduino.h"
#include "dot_sequence.h" // the real one, from lib/BROSE9323

struct DisplayCall
{
	std::string what;
	int a, b, c;
};

class BROSE9323
{
public:
	std::vector<DisplayCall> calls;
	bool direct = false;
	bool effect_running = false; // what busy() returns
	bool refresh_running = false; // what refreshing() returns
	uint16_t crc_value = 0;       // what crc() returns

	BROSE9323(uint8_t, uint8_t, uint8_t, uint16_t) {}

	void begin() { log("begin"); }
	void display(bool force = false, bool instant = false) { log("display", force, instant); }
	void drawPixel(int16_t x, int16_t y, uint16_t color) { log(direct ? "directPixel" : "pixel", x, y, color); }
	void fillScreen(uint16_t color) { log("fill", color); }
	void setDirect(bool d) { direct = d; }
	void setTiming(uint16_t t) { log("timing", t); }
	void setGap(uint16_t t) { log("gap", t); }
	void setPulses(uint8_t n) { log("pulses", n); }
	void setEffect(uint8_t effect, uint16_t time_ms, uint8_t flags = 0) { log("effect", effect, time_ms, flags); }
	bool update() { return effect_running; }
	bool busy() const { return effect_running; }
	void startRefresh() { log("refresh"); }
	bool refreshing() const { return refresh_running; }
	uint16_t crc() const { return crc_value; }
	void printBuffer() { log("printBuffer"); }
	void setCursor(int16_t x, int16_t y) { log("cursor", x, y); }
	void setTextColor(uint16_t color, uint16_t background) { log("textColor", color, background); }
	void setTextSize(uint8_t size) { log("textSize", size); }
	size_t write(uint8_t ch)
	{
		log("write", ch);
		return 1;
	}
	void println() { log("newline"); }

	// Helpers for the tests
	int count(const std::string &what) const
	{
		int n = 0;
		for (const DisplayCall &call : calls)
			n += call.what == what;
		return n;
	}
	const DisplayCall *last(const std::string &what) const
	{
		for (auto it = calls.rbegin(); it != calls.rend(); ++it)
			if (it->what == what)
				return &*it;
		return nullptr;
	}

private:
	void log(const char *what, int a = 0, int b = 0, int c = 0) { calls.push_back({what, a, b, c}); }
};