/*
 * Copyright (c) 2021 The ZMK Contributors
 *
 * SPDX-License-Identifier: MIT
 */

#define DT_DRV_COMPAT zmk_behavior_backlight

#include <device.h>
#include <drivers/behavior.h>
#include <logging/log.h>

#include <dt-bindings/zmk/backlight.h>
#include <zmk/backlight.h>
#include <zmk/keymap.h>

LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);

#if DT_HAS_COMPAT_STATUS_OKAY(DT_DRV_COMPAT)

static int behavior_backlight_init(const struct device *dev) { return 0; }

static int on_keymap_binding_pressed(struct zmk_behavior_binding *binding,
                                     struct zmk_behavior_binding_event event) {
    switch (binding->param1) {
    case BL_TOG:
        return zmk_backlight_toggle();
    case BL_ON:
        return zmk_backlight_on();
    case BL_OFF:
        return zmk_backlight_off();
    case BL_INC:
        return zmk_backlight_inc();
    case BL_DEC:
        return zmk_backlight_dec();
    default:
        LOG_ERR("Unknown backlight command: %d", binding->param1);
    }

    return -ENOTSUP;
}

static int on_keymap_binding_released(struct zmk_behavior_binding *binding,
                                      struct zmk_behavior_binding_event event) {
    return ZMK_BEHAVIOR_OPAQUE;
}

static const struct behavior_driver_api behavior_backlight_driver_api = {
    .binding_pressed = on_keymap_binding_pressed,
    .binding_released = on_keymap_binding_released,
};

DEVICE_DT_INST_DEFINE(0, behavior_backlight_init, device_pm_control_nop, NULL, NULL, APPLICATION,
                      CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, &behavior_backlight_driver_api);

#endif /* DT_HAS_COMPAT_STATUS_OKAY(DT_DRV_COMPAT) */