#ifndef FADER_H
#define FADER_H

#include <stdint.h>

struct sk6812_ctx;

struct fader_colour {
	float red, green, blue, white; // value range is 0.0 to 255.0
};

struct fader_ctx {
	uint32_t num_modules;

	struct fader_colour *cur_colour;
	struct fader_colour *target_colour;

	struct sk6812_ctx *led_ctx;

	uint8_t something_changed;

	float fadestep;
};

int fader_init(struct fader_ctx *ctx, uint32_t nMod, struct sk6812_ctx *ledCtx);
void fader_shutdown(struct fader_ctx *ctx);
void fader_set_colour(struct fader_ctx *ctx, uint32_t module, uint8_t r, uint8_t g, uint8_t b, uint8_t w);
void fader_fade_colour(struct fader_ctx *ctx, uint32_t module, uint8_t r, uint8_t g, uint8_t b, uint8_t w);
void fader_add_colour(struct fader_ctx *ctx, uint32_t module, uint8_t r, uint8_t g, uint8_t b, uint8_t w);
void fader_set_fadestep(struct fader_ctx *ctx, uint8_t newFadestep);
void fader_update(struct fader_ctx *ctx);

#endif // FADER_H