#ifndef DATA_H_
#define DATA_H_

#include <stdio.h>
#include <termios.h>
#include <time.h>

#include "lisp.h"

/**
 * \struct row_t
 * \brief Store one editor row
 * \param
 * */

typedef struct row {
  int size;     /**< Size of the line */
  int cap;    /**< Size of the render line */
  char *chars;  /**< Characters of the line */
} row_t;

/**
 * @brief Split modes for screen layout
 */
typedef enum {
    SPLIT_NONE = 0,      // Single buffer fullscreen
    SPLIT_VERTICAL,      // Left-right split
    SPLIT_HORIZONTAL     // Top-bottom split
} SplitMode;

/**
 * @brief Represents an editor viewport/pane
 */
typedef struct {
    int buffer_id;        // Which buffer this pane displays
    int start_row;        // Starting row on screen
    int start_col;        // Starting column on screen
    int height;           // Height of this pane
    int width;            // Width of this pane
    int cursor_x;         // Local cursor x in this pane
    int cursor_y;         // Local cursor y in this pane
  int rx, ry;
    int row_offset;       // Scroll offset for rows
    int col_offset;       // Scroll offset for columns
    int is_active;        // Is this pane currently active
} EditorPane;

/**
 * @brief Screen layout manager
 */
typedef struct {
    SplitMode mode;
    EditorPane *panes;
    int num_panes;
    int active_pane;      // Index of active pane
} ScreenLayout;


typedef struct theme {
  char *BACKGROUND_COLOR;
  char *COLOR_KEYWORD;
  char *COLOR_TYPE;
  char *COLOR_STRING;
  char *COLOR_COMMENT;
  char *COLOR_NUMBER;
  char *COLOR_DEFAULT;

} theme_t;

enum bufferStatus_e {
  IDLE,
  READ_ONLY,
  READ_AND_WRITE,
};

struct const_t {
  int TAB_LENGTH;
  int QUIT_TIMES;
  char *THEME;
};

struct prefix_t {
  char prefix_name[64];
  int prefix_id;
};

struct keyBind_t {
  char *key_sequence;
  int prefix_id;
  Lisp command;
};

enum buffer_type { FILE_BUFF, TERMINAL_BUFF };

struct buffer_t {
  enum buffer_type type;
  int buffer_id;
  int width, height;
  int x, y; /**< Position in the buffer (cursor) */
  frow *row;
  int numrows;
  char *filename;
  enum bufferStatus_e state;
  int dirty;             /**< Has this buffer been modified since last save */
  int row_offset;        /**< Scroll offset for rows in this buffer */
  int col_offset;        /**< Scroll offset for columns in this buffer */
};

/**
 * \struct editorConfig
 * \brief Containing our editor state.
 */
struct editorConfig {
  int cursor_x, cursor_y; /**< Cursor position */
  int rx;                 /**< Position in the render*/
  int row_offset;         /**< Position scroll of lines */
  int col_offset;         /**< Position scroll of colomns*/
  int screenrows;         /**< Terminal height*/
  int screencols;         /**< Terminal width*/

  ScreenLayout layout;

  int numrows;            /**< Number of rows contained */
  row_t *rows;              /**< Store all the rows printed */
  int dirty;
  int prefix_state;
  char status_msg[80];
  time_t status_msg_time;
  struct termios orig_termios; /**< Terminal communication interface */

  struct const_t constantes;
  int quit_times_buffer;

  char *init_file_path;
  FILE *fd_init_file;
  Lisp env;
  LispContext ctx;     /** Lisp context */
  Lisp ctx_data;       /** Lisp data context */
  LispError ctx_error; /** Lisp ctx error */

  struct keyBind_t *key_binds;
  int number_of_keybinds;

  struct prefix_t *prefix;
  int number_of_prefix;

  struct buffer_t buffers[64];
  int number_of_buffer;

  theme_t theme;
};

/**
 * \struct abuf
 * \brief Contains text to add before writing to screen.
 * */

struct abuf {
  char *b; /**< Text that will be printed */
  int len; /**< Length of the text */
};

extern struct editorConfig E;


#endif