// SPDX-License-Identifier: GPL-2.0
#include "color.h"
#include <QMap>
#include <array>

// Note that std::array<QColor, 2> is in every respect equivalent to QColor[2],
// but allows assignment, comparison, can be returned from functions, etc.
static QMap<color_index_t, std::array<QColor, 2>> profile_color = {
	{ SAC_1, { FUNGREEN1, BLACK1_LOW_TRANS } },
	{ SAC_2, { APPLE1, BLACK1_LOW_TRANS } },
	{ SAC_3, { ATLANTIS1, BLACK1_LOW_TRANS } },
	{ SAC_4, { ATLANTIS2, BLACK1_LOW_TRANS } },
	{ SAC_5, { EARLSGREEN1, BLACK1_LOW_TRANS } },
	{ SAC_6, { HOKEYPOKEY1, BLACK1_LOW_TRANS } },
	{ SAC_7, { TUSCANY1, BLACK1_LOW_TRANS } },
	{ SAC_8, { CINNABAR1, BLACK1_LOW_TRANS } },
	{ SAC_9, { REDORANGE1, BLACK1_LOW_TRANS } },

	{ VELO_STABLE, { CAMARONE1, BLACK1_LOW_TRANS } },
	{ VELO_SLOW, { LIMENADE1, BLACK1_LOW_TRANS } },
	{ VELO_MODERATE, { RIOGRANDE1, BLACK1_LOW_TRANS } },
	{ VELO_FAST, { PIRATEGOLD1, BLACK1_LOW_TRANS } },
	{ VELO_CRAZY, { RED1, BLACK1_LOW_TRANS } },

	{ PO2, { APPLE1, BLACK1_LOW_TRANS } },
	{ PO2_ALERT, { RED1, BLACK1_LOW_TRANS } },
	{ PN2, { BLACK1_LOW_TRANS, BLACK1_LOW_TRANS } },
	{ PN2_ALERT, { RED1, BLACK1_LOW_TRANS } },
	{ PHE, { PEANUT, BLACK1_LOW_TRANS } },
	{ PHE_ALERT, { RED1, BLACK1_LOW_TRANS } },
	{ O2SETPOINT, { PIRATEGOLD1_MED_TRANS, BLACK1_LOW_TRANS } },
	{ CCRSENSOR1, { TUNDORA1_MED_TRANS, BLACK1_LOW_TRANS } },
	{ CCRSENSOR2, { ROYALBLUE2_LOW_TRANS, BLACK1_LOW_TRANS } },
	{ CCRSENSOR3, { PEANUT, BLACK1_LOW_TRANS } },
	{ SCR_OCPO2, { PIRATEGOLD1_MED_TRANS, BLACK1_LOW_TRANS } },

	{ PP_LINES, { BLACK1_HIGH_TRANS, BLACK1_LOW_TRANS } },

	{ TEXT_BACKGROUND, { CONCRETE1_LOWER_TRANS, WHITE1 } },
	{ ALERT_BG, { BROOM1_LOWER_TRANS, BLACK1_LOW_TRANS } },
	{ ALERT_FG, { BLACK1_LOW_TRANS, WHITE1 } },
	{ EVENTS, { REDORANGE1, BLACK1_LOW_TRANS } },
	{ SAMPLE_DEEP, { QColor(Qt::red).darker(), BLACK1 } },
	{ SAMPLE_SHALLOW, { QColor(Qt::red).lighter(), BLACK1_LOW_TRANS } },
	{ SMOOTHED, { REDORANGE1_HIGH_TRANS, BLACK1_LOW_TRANS } },
	{ MINUTE, { MEDIUMREDVIOLET1_HIGHER_TRANS, BLACK1_LOW_TRANS } },
	{ TIME_GRID, { WHITE1, BLACK1_HIGH_TRANS } },
	{ TIME_TEXT, { FORESTGREEN1, BLACK1 } },
	{ DEPTH_GRID, { WHITE1, BLACK1_HIGH_TRANS } },
	{ MEAN_DEPTH, { REDORANGE1_MED_TRANS, BLACK1_LOW_TRANS } },
	{ HR_PLOT, { REDORANGE1_MED_TRANS, BLACK1_LOW_TRANS } },
	{ HR_TEXT, { REDORANGE1_MED_TRANS, BLACK1_LOW_TRANS } },
	{ HR_AXIS, { MED_GRAY_HIGH_TRANS, MED_GRAY_HIGH_TRANS } },
	{ DEPTH_BOTTOM, { GOVERNORBAY1_MED_TRANS, BLACK1_HIGH_TRANS } },
	{ DEPTH_TOP, { MERCURY1_MED_TRANS, WHITE1_MED_TRANS } },
	{ TEMP_TEXT, { GOVERNORBAY2, BLACK1_LOW_TRANS } },
	{ TEMP_PLOT, { ROYALBLUE2_LOW_TRANS, BLACK1_LOW_TRANS } },
	{ SAC_DEFAULT, { WHITE1, BLACK1_LOW_TRANS } },
	{ BOUNDING_BOX, { WHITE1, BLACK1_LOW_TRANS } },
	{ PRESSURE_TEXT, { KILLARNEY1, BLACK1_LOW_TRANS } },
	{ BACKGROUND, { SPRINGWOOD1, WHITE1 } },
	{ BACKGROUND_TRANS, { SPRINGWOOD1_MED_TRANS, WHITE1_MED_TRANS } },
	{ CEILING_SHALLOW, { REDORANGE1_HIGH_TRANS, BLACK1_HIGH_TRANS } },
	{ CEILING_DEEP, { RED1_MED_TRANS, BLACK1_HIGH_TRANS } },
	{ CALC_CEILING_SHALLOW, { FUNGREEN1_HIGH_TRANS, BLACK1_HIGH_TRANS } },
	{ CALC_CEILING_DEEP, { APPLE1_HIGH_TRANS, BLACK1_HIGH_TRANS } },
	{ TISSUE_PERCENTAGE, { GOVERNORBAY2, BLACK1_LOW_TRANS } },
	{ GF_LINE, { BLACK1, BLACK1_LOW_TRANS } },
	{ AMB_PRESSURE_LINE, { TUNDORA1_MED_TRANS, BLACK1_LOW_TRANS } }
};

QColor getColor(const color_index_t i, bool isGrayscale)
{
	if (profile_color.count() > i && i >= 0)
		return profile_color[i][isGrayscale ? 1 : 0];
	return QColor(Qt::black);
}

QColor getSacColor(int sac, int avg_sac)
{
	int sac_index = 0;
	int delta = sac - avg_sac + 7000;

	sac_index = delta / 2000;
	if (sac_index < 0)
		sac_index = 0;
	if (sac_index > SAC_COLORS - 1)
		sac_index = SAC_COLORS - 1;
	return getColor((color_index_t)(SAC_COLORS_START_IDX + sac_index), false);
}

QColor getPressureColor(double density)
{
	QColor color;

	int h = ((int) (180.0 - 180.0 * density / 8.0));
	while (h < 0)
		h += 360;
	color.setHsv(h , 255, 255);
	return color;
}