/*
 * This file is part of Cleanflight.
 *
 * Cleanflight is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Cleanflight is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include <stdbool.h>

#include "config/parameter_group.h"

typedef enum {
    BOXARM = 0,
    BOXANGLE,
    BOXHORIZON,
    BOXBARO,
    BOXANTIGRAVITY,
    BOXMAG,
    BOXHEADFREE,
    BOXHEADADJ,
    BOXCAMSTAB,
    BOXCAMTRIG,
    BOXGPSHOME,
    BOXGPSHOLD,
    BOXPASSTHRU,
    BOXBEEPERON,
    BOXLEDMAX,
    BOXLEDLOW,
    BOXLLIGHTS,
    BOXCALIB,
    BOXGOV,
    BOXOSD,
    BOXTELEMETRY,
    BOXGTUNE,
    BOXSONAR,
    BOXSERVO1,
    BOXSERVO2,
    BOXSERVO3,
    BOXBLACKBOX,
    BOXFAILSAFE,
    BOXAIRMODE,
    BOX3DDISABLESWITCH,
    BOXFPVANGLEMIX,
    BOXBLACKBOXERASE,
    BOXCAMERA1,
    BOXCAMERA2,
    BOXCAMERA3,
    CHECKBOX_ITEM_COUNT
} boxId_e;

// type to hold enough bits for CHECKBOX_ITEM_COUNT. Struct used for value-like behavior
typedef struct { uint32_t bits[(CHECKBOX_ITEM_COUNT + 31) / 32]; } boxBitmask_t;

#define MAX_MODE_ACTIVATION_CONDITION_COUNT 20

#define CHANNEL_RANGE_MIN 900
#define CHANNEL_RANGE_MAX 2100

#define MODE_STEP_TO_CHANNEL_VALUE(step) (CHANNEL_RANGE_MIN + 25 * step)
#define CHANNEL_VALUE_TO_STEP(channelValue) ((constrain(channelValue, CHANNEL_RANGE_MIN, CHANNEL_RANGE_MAX) - CHANNEL_RANGE_MIN) / 25)

#define MIN_MODE_RANGE_STEP 0
#define MAX_MODE_RANGE_STEP ((CHANNEL_RANGE_MAX - CHANNEL_RANGE_MIN) / 25)

// steps are 25 apart
// a value of 0 corresponds to a channel value of 900 or less
// a value of 48 corresponds to a channel value of 2100 or more
// 48 steps between 900 and 1200
typedef struct channelRange_s {
    uint8_t startStep;
    uint8_t endStep;
} channelRange_t;

typedef struct modeActivationCondition_s {
    boxId_e modeId;
    uint8_t auxChannelIndex;
    channelRange_t range;
} modeActivationCondition_t;

PG_DECLARE_ARRAY(modeActivationCondition_t, MAX_MODE_ACTIVATION_CONDITION_COUNT, modeActivationConditions);

typedef struct modeActivationProfile_s {
    modeActivationCondition_t modeActivationConditions[MAX_MODE_ACTIVATION_CONDITION_COUNT];
} modeActivationProfile_t;

#define IS_RANGE_USABLE(range) ((range)->startStep < (range)->endStep)

bool IS_RC_MODE_ACTIVE(boxId_e boxId);
void rcModeUpdate(boxBitmask_t *newState);

bool isAirmodeActive(void);
bool isAntiGravityModeActive(void);

bool isRangeActive(uint8_t auxChannelIndex, const channelRange_t *range);
void updateActivatedModes(void);
bool isModeActivationConditionPresent(boxId_e modeId);