#include QMK_KEYBOARD_H
#include "tap_dance.h"
#include "custom_keycodes.h"

// Home row modifiers (refer to keymap.c for primary definitions)
#define HM_A LGUI_T(KC_A)
#define HM_S LALT_T(KC_S)
#define HM_D LCTL_T(KC_D)
#define HM_F LSFT_T(KC_F)
#define HM_J RSFT_T(KC_J)
#define HM_K RCTL_T(KC_K)
#define HM_L LALT_T(KC_L)
#define HM_SCLN RGUI_T(KC_SCLN)

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  if (record->event.pressed) {
    switch (keycode) {
      case DV_ARR:
        SEND_STRING("=>");
        break;
      case DV_CMNT:
        SEND_STRING(SS_LCTL("kc"));
        break;
      case DV_UNCMT:
        SEND_STRING(SS_LCTL("ku"));
        break;
      case DV_REFS:
        SEND_STRING(SS_LCTL("kr"));
        break;
      case DV_SELLN:
        tap_code16(KC_HOME);
        tap_code16(KC_HOME);
        tap_code16(S(KC_END));
        break;
      case WI_MAX:
        tap_code16(A(KC_SPC));
        tap_code16(S(KC_X));
        break;
      case KVM_PREV:
        tap_code16(KC_RCTL);
        wait_ms(50);
        tap_code16(KC_RCTL);
        wait_ms(50);
        tap_code16(KC_PGUP);
        break;
      case KVM_NEXT:
        tap_code16(KC_RCTL);
        wait_ms(50);
        tap_code16(KC_RCTL);
        wait_ms(50);
        tap_code16(KC_PGDN);
        break;
    }
  }

  return true;
}

// Per-key tapping term optimization
uint16_t get_tapping_term(uint16_t keycode, keyrecord_t *record) {
    switch (keycode) {
        case TD_J_BRACES:
        case TD_K_PARENS:  return 180;
        case TD_L_BRACKETS: return 220;
        case TD_SC_ANGLES:  return 200;
        case HM_F: case HM_J: return 180;
        case HM_A: case HM_SCLN: return 250;
        default: return TAPPING_TERM;
    }
}