/*
Copyright 2017 Christopher Courtney <drashna@live.com> @drashna

This program 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 2 of the License, or
(at your option) any later version.

This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "drashna.h"

bool is_alt_tab_active = false;
uint16_t alt_tab_timer = 0;

bool is_ctrl_tab_active = false;
uint16_t ctrl_tab_timer = 0;

userspace_config_t userspace_config;

bool mod_key_press_timer(uint16_t code, uint16_t mod_code, bool pressed) {
    static uint16_t this_timer;
    if (pressed) {
        this_timer = timer_read();
    } else {
        if (timer_elapsed(this_timer) < TAPPING_TERM) {
            tap_code(code);
        } else {
            register_code(mod_code);
            tap_code(code);
            unregister_code(mod_code);
        }
    }
    return false;
}

bool mod_key_press(uint16_t code, uint16_t mod_code, bool pressed, uint16_t this_timer) {
    if (pressed) {
        this_timer = timer_read();
    } else {
        if (timer_elapsed(this_timer) < TAPPING_TERM) {
            tap_code(code);
        } else {
            register_code(mod_code);
            tap_code(code);
            unregister_code(mod_code);
        }
    }
    return false;
}

__attribute__((weak)) void keyboard_pre_init_keymap(void) {}

void keyboard_pre_init_user(void) {
    userspace_config.raw = eeconfig_read_user();
    keyboard_pre_init_keymap();
}
// Add reconfigurable functions here, for keymap customization
// This allows for a global, userspace functions, and continued
// customization of the keymap.  Use _keymap instead of _user
// functions in the keymaps
__attribute__((weak)) void matrix_init_keymap(void) {}

// Call user matrix init, set default RGB colors and then
// call the keymap's init function
void matrix_init_user(void) {
#if defined(BOOTLOADER_CATERINA) && defined(__AVR__)
    DDRD &= ~(1 << 5);
    PORTD &= ~(1 << 5);

    DDRB &= ~(1 << 0);
    PORTB &= ~(1 << 0);
#endif
    matrix_init_keymap();
}

__attribute__((weak)) void keyboard_post_init_keymap(void) {}

void keyboard_post_init_user(void) {
#if defined(RGBLIGHT_ENABLE)
    keyboard_post_init_rgb_light();
#endif
#if defined(RGB_MATRIX_ENABLE)
    keyboard_post_init_rgb_matrix();
#endif
    keyboard_post_init_keymap();
}

__attribute__((weak)) void shutdown_keymap(void) {}

void rgb_matrix_update_pwm_buffers(void);

void shutdown_user(void) {
#ifdef RGBLIGHT_ENABLE
    rgblight_enable_noeeprom();
    rgblight_mode_noeeprom(1);
    rgblight_setrgb_red();
#endif  // RGBLIGHT_ENABLE
#ifdef RGB_MATRIX_ENABLE
#    ifdef __AVR__
    rgb_matrix_set_color_all(0xFF, 0x00, 0x00);
    rgb_matrix_update_pwm_buffers();
#    else
    rgb_matrix_sethsv_noeeprom(0, 255, 255);
    rgb_matrix_mode_noeeprom(1);
#    endif
#endif  // RGB_MATRIX_ENABLE
    shutdown_keymap();
}

__attribute__((weak)) void suspend_power_down_keymap(void) {}

void suspend_power_down_user(void) { suspend_power_down_keymap(); }

__attribute__((weak)) void suspend_wakeup_init_keymap(void) {}

void suspend_wakeup_init_user(void) { suspend_wakeup_init_keymap(); }

__attribute__((weak)) void matrix_scan_keymap(void) {}

// No global matrix scan code, so just run keymap's matrix
// scan function
LEADER_EXTERNS();
void matrix_scan_user(void) {

    LEADER_DICTIONARY() {
        leading = false;
        leader_end();

        SEQ_ONE_KEY(KC_C) { // Inline Code
            SEND_STRING("`` " SS_TAP(X_LEFT) SS_TAP(X_LEFT));
        }
        SEQ_ONE_KEY(KC_M) {
            SEND_STRING("Mvh\nFrederik");
        }
        SEQ_TWO_KEYS(KC_C, KC_B) { // Discord code block
            SEND_STRING("```c" SS_LSFT("\n\n") "``` " SS_TAP(X_UP));
        }
    }

    if (is_alt_tab_active) {
      if (timer_elapsed(alt_tab_timer) > 750) {
        unregister_code(KC_LALT);
        is_alt_tab_active = false;
      }
    }
                                        
    if (is_ctrl_tab_active) {
      if (timer_elapsed(ctrl_tab_timer) > 750) {
        unregister_code(KC_LCTRL);
        is_ctrl_tab_active = false;
      }
    }

    static bool has_ran_yet;
    if (!has_ran_yet) {
        has_ran_yet = true;
        startup_user();
    }

#ifdef TAP_DANCE_ENABLE  // Run Diablo 3 macro checking code.
    run_diablo_macro_check();
#endif  // TAP_DANCE_ENABLE

#if defined(RGBLIGHT_ENABLE)
    matrix_scan_rgb_light();
#endif  // RGBLIGHT_ENABLE
#if defined(RGB_MATRIX_ENABLE)
    matrix_scan_rgb_matrix();
#endif

    matrix_scan_keymap();
}

__attribute__((weak)) layer_state_t layer_state_set_keymap(layer_state_t state) { return state; }

// on layer change, no matter where the change was initiated
// Then runs keymap's layer change check
layer_state_t layer_state_set_user(layer_state_t state) {
    state = update_tri_layer_state(state, _RAISE, _LOWER, _ADJUST);
#if defined(RGBLIGHT_ENABLE)
    state = layer_state_set_rgb_light(state);
#endif  // RGBLIGHT_ENABLE
    return layer_state_set_keymap(state);
}

__attribute__((weak)) layer_state_t default_layer_state_set_keymap(layer_state_t state) { return state; }

// Runs state check and changes underglow color and animation
layer_state_t default_layer_state_set_user(layer_state_t state) {
    state = default_layer_state_set_keymap(state);
//#if 0
#    if (defined(RGBLIGHT_ENABLE) || defined(RGB_MATRIX_ENABLE))
  state = layer_state_set_rgb_light(state);
#    endif  // RGBLIGHT_ENABLE
//#endif
    return state;
}

__attribute__((weak)) void led_set_keymap(uint8_t usb_led) {}

// Any custom LED code goes here.
// So far, I only have keyboard specific code,
// So nothing goes here.
void led_set_user(uint8_t usb_led) { led_set_keymap(usb_led); }

__attribute__((weak)) void eeconfig_init_keymap(void) {}

void eeconfig_init_user(void) {
    userspace_config.raw              = 0;
    userspace_config.rgb_layer_change = true;
    eeconfig_update_user(userspace_config.raw);
    eeconfig_init_keymap();
    keyboard_init();
}

bool hasAllBitsInMask(uint8_t value, uint8_t mask) {
    value &= 0xF;
    mask &= 0xF;

    return (value & mask) == mask;
}

#ifdef ENCODER_ENABLE
void encoder_update_user(uint8_t index, bool clockwise) {
    if (index == 0) {
        switch (biton32(layer_state)) {
            case _WARCRAFT:
            case _QWERTY:
                // Move whole words. Hold shift to select while moving.
                if (!clockwise) {
                  if (!is_alt_tab_active) {
                    is_alt_tab_active = true;
                    register_code(KC_LALT);
                  }
                  alt_tab_timer = timer_read();
                  tap_code16(KC_TAB);
                } else {
                  if (!is_alt_tab_active) {
                    is_alt_tab_active = true;
                    register_code(KC_LALT);
                  }
                  alt_tab_timer = timer_read();
                  tap_code16(S(KC_TAB));
                }
                break;
            case _RAISE:
                if (!clockwise) {
                  if (!is_ctrl_tab_active) {
                    is_ctrl_tab_active = true;
                    register_code(KC_LCTRL);
                  }
                  ctrl_tab_timer = timer_read();
                  tap_code16(KC_TAB);
                } else {
                  if (!is_ctrl_tab_active) {
                    is_ctrl_tab_active = true;
                    register_code(KC_LCTRL);
                  }
                  ctrl_tab_timer = timer_read();
                  tap_code16(S(KC_TAB));
                }
                break;
            default:
                // History scrubbing. For Adobe products, hold shift while moving
                // backward to go forward instead.
                if (clockwise) {
                    tap_code16(C(KC_Z));
                } else {
                    tap_code16(C(KC_Y));
                }
                break;
        }
    } else if (index == 1) {
        switch (biton32(layer_state)) {
            case _QWERTY:
                // Scrolling with Mouse wheel.
                if (clockwise) {
                    tap_code(KC_WH_D);
                } else {
                    tap_code(KC_WH_U);
                }
                break;
            default:
                // Volume control.
                if (clockwise) {
                    tap_code(KC_VOLU);
                } else {
                    tap_code(KC_VOLD);
                }
                break;
        }
    }
}
#endif