#pragma once
#include "raylib.h"
#include "PlanetTypes.hpp"   // Biome

// Cell color mapping for the viewer. Pure functions of cell properties.

enum class ColorMode { Elevation, Plate, Age, Crust, Biome, Temperature, Precip,
                       FloraDensity, FaunaDensity, FungaDensity,
                       Ecoregion, Habitability, Territory,
                       TempSummer, TempWinter, Seasonality };  // 6 cycles these temp sub-views

Color elevationColor(double e, double seaLevel);
Color plateColor(int id);
Color ageColor(double age, double maxAge);
Color crustColor(bool oceanic);
// Phase-2.5 inland water (lakes): a bright turquoise, clearly distinct from ocean.
Color lakeColor();
// Phase-3 biome palette + display name.
Color biomeColor(Biome b);
const char* biomeName(Biome b);
// Human-readable name of a color mode (for the active-view label).
const char* colorModeName(ColorMode m);
// Phase-3 climate: temperature in deg C (blue cold -> red hot); precip normalized 0..1
// (tan dry -> green -> blue wet).
Color tempColor(double celsius);
Color precipColor(double moist01);
// Seasonality: summer-winter temperature range in deg C (grey calm -> orange extreme).
Color seasonColor(double rangeC);
// Tide level (m), diverging around 0: low tide amber -> high tide cyan. `range` sets the
// saturation scale (meters at which the colour is fully amber/cyan).
Color tideColor(double level, double range);
// Biota density ramps (0..1): flora barren->lush green, fauna pale->amber/red,
// funga pale->violet/brown.
Color floraColor(double d01);
Color faunaColor(double d01);
Color fungaColor(double d01);
// Marine biota density ramps (0..1) -- a distinct sea palette so ocean reads as
// ocean: marine flora deep blue->bright teal/green bloom, marine fauna deep
// blue->cyan->warm. Used for water cells in the flora/fauna views.
Color marineFloraColor(double d01);
Color marineFaunaColor(double d01);
Color ecoregionColor(int id, Biome b, double productivity);
// Habitability heat map (0..1): barren grey -> fertile green/gold (where civilization can thrive).
Color habitabilityColor(double h01);
// Per-nation territory tint (golden-ratio HSV, offset from plateColor so realms read distinctly).
Color nationColor(int id);