#ifndef SEQUENCER_H
#define SEQUENCER_H

typedef struct sequencer_s {
  float drums_volume;
  uint8_t seq_active_track = 0;
  uint8_t seq_menu;
#ifdef TEENSY4
  bool seq_noteoffsent[NUM_SEQ_TRACKS] = {false, false,  false, false, false, false};
  uint8_t seq_inst_dexed[NUM_SEQ_TRACKS] = { 0, 0, 1, 1 , 1, 1 };
#else
  bool seq_noteoffsent[NUM_SEQ_TRACKS] = {false, false};
  uint8_t seq_inst_dexed[NUM_SEQ_TRACKS] = { 0, 0 };
#endif
  uint8_t seq_step = 0;
  bool seq_running = false;
  bool seq_recording = false;
  bool smartfilter = true;
  uint8_t seq_state_last_loadsave = 200;
  char seq_name[FILENAME_LEN];
  char seq_name_temp[FILENAME_LEN];
  uint8_t seq_note_in;
  uint8_t seq_note_in_velocity;
  int seq_transpose;

  uint8_t seq_chord_dexed_inst = 0;
  uint8_t seq_chord_velocity = 60;
  uint8_t seq_chord_key_ammount = 4;
  uint8_t seq_element_shift = 0;
  int seq_oct_shift = 0;
  uint8_t arp_style = 0; // up, down, up&down, random

  uint8_t seq_arps[6][23] = {
    { 0, 4, 7, 12, 16, 19, 24, 28, 31, 36, 40, 43, 48, 52, 55, 60, 64, 67, 72, 76, 79, 84, 0}, //major
    { 0, 3, 7, 12, 15, 19, 24, 27, 31, 36, 39, 43, 48, 51, 55, 60, 63, 67, 72, 75, 79, 84, 0}, //minor
    { 0, 4, 7, 10, 12, 16, 19, 22, 24, 28, 31, 34, 36, 40, 43, 46, 48, 52, 55, 58, 60, 64, 0}, //seventh
    { 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 0}, //augmented
    { 0, 3, 6, 12, 15, 18, 24, 27, 30, 36, 39, 42, 48, 51, 54, 60, 63, 66, 72, 75, 78, 84, 0}, //dim
    { 0, 4, 7, 11, 12, 16, 19, 23, 24, 28, 31, 35, 36, 40, 43, 47, 48, 52, 55, 59, 60, 64, 0}  //maj7
  };

  char seq_chord_names[7][4] = {
    {'M', 'a', 'j', ' '}, //major
    {'M', 'i', 'n', ' '},
    {'s', 'e', 'v', ' '},
    {'a', 'u', 'g', ' '},
    {'d', 'i', 'm', ' '},
    { 'M', 'a', 'j', '7'},
    { 'N', 'o', 'C', 'd'}
  };

  char arp_style_names[4][3] = {
    { 'u', 'p', ' '},
    {'d', 'w', 'n'},
    {'u', '&', 'd'},
    {'R', 'N', 'D'}
  };
  int seq_tempo_ms = 180000;
  int seq_bpm = 102;
  uint8_t seq_temp_select_menu;
  uint8_t seq_temp_active_menu = 99;
  uint8_t seq_chain_active_chainstep;
  uint8_t seq_chain_lenght = 3; // 0 = 16 steps, 1 = 32 Steps, 2 = 46 Steps, 3 = 64 Steps
  uint8_t seq_chain_active_step = 0;
  uint8_t seq_prev_note[NUM_SEQ_TRACKS]; // note_offs for every (instr.) track
  uint8_t seq_prev_vel[NUM_SEQ_TRACKS];
  uint8_t arp_step;
  uint8_t arp_note;
  uint8_t arp_chord = 6;
  bool arp_play_basenote = true;
  uint8_t arp_note_prev;
  uint8_t arp_octave;
  uint8_t arp_prev_oct;
  uint8_t arp_speed = 0;
  uint8_t arp_counter = 0;
  uint8_t arp_lenght = 8;
  uint8_t seq_data_buffer[16] = { 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0 };
  uint8_t seq_data[NUM_SEQ_PATTERN][16] = {
    { 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0 },
    { 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0 },
    { 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0 },
    { 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0 },
    { 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0 },
    { 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0 },
    { 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0 },
    { 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0 },
    { 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0 },
    { 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0  , 0 }
  };
  uint8_t seq_vel[NUM_SEQ_PATTERN][16] = {
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
    { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
  };
  uint8_t seq_content_type[NUM_SEQ_PATTERN] = { 0, 0, 0, 0 , 0, 0, 0 , 0 , 0 , 0 }; // 0 = track is Drumtrack, 1= Instrumenttrack, 2= Chord or Arpeggio
#ifdef TEENSY4
  uint8_t seq_patternchain[4][NUM_SEQ_TRACKS] = {
    { 0 , 2 , 6 , 9 , 99, 99 },
    { 1 , 2 , 5 , 8 , 99, 99 },
    { 0 , 2 , 6 , 9 , 99, 99 },
    { 1 , 2 , 5 , 7 , 99, 99 }
  };
  uint8_t seq_track_type[NUM_SEQ_TRACKS] = { 0, 0, 1, 1, 1, 1 }; // 0 = track is Drumtrack, 1 = Instrumenttrack, 2 = Chord, 3 = Arp
#else
  uint8_t seq_patternchain[4][NUM_SEQ_TRACKS] = {
    { 0 , 2 },
    { 1 , 2 },
    { 0 , 2 },
    { 1 , 2 },
  };
  uint8_t seq_track_type[NUM_SEQ_TRACKS] = { 0, 0 }; // 0 = track is Drumtrack, 1 = Instrumenttrack, 2 = Chord, 3 = Arp
#endif
} sequencer_t;

#endif