#include "terminal.h"
#include <xkbcommon/xkbcommon-keysyms.h>

using namespace godot;

const std::map<const char *, const char *> Terminal::FONTS = {
    {"normal_font", "res://addons/godot_xterm/fonts/normal.ttf"},
    {"bold_font", "res://addons/godot_xterm/fonts/bold.ttf"},
    {"italics_font", "res://addons/godot_xterm/fonts/italics.ttf"},
    {"bold_italics_font", "res://addons/godot_xterm/fonts/bold_italics.ttf"},
};

// TODO: Ensure it is default Xterm dark theme.
const Terminal::ColorMap Terminal::COLORS = {
    {"ansi_0_color", {"#000000", TSM_COLOR_BLACK}},
    {"ansi_1_color", {"#CD0000", TSM_COLOR_RED}},
    {"ansi_2_color", {"#00CD00", TSM_COLOR_GREEN}},
    {"ansi_3_color", {"#CDCD00", TSM_COLOR_YELLOW}},
    {"ansi_4_color", {"#0000EE", TSM_COLOR_BLUE}},
    {"ansi_5_color", {"#CD00CD", TSM_COLOR_MAGENTA}},
    {"ansi_6_color", {"#00CDCD", TSM_COLOR_CYAN}},
    {"ansi_7_color", {"#E5E5E5", TSM_COLOR_LIGHT_GREY}},
    {"ansi_8_color", {"#7F7F7F", TSM_COLOR_DARK_GREY}},
    {"ansi_9_color", {"#FF0000", TSM_COLOR_LIGHT_RED}},
    {"ansi_10_color", {"#00FF00", TSM_COLOR_LIGHT_GREEN}},
    {"ansi_11_color", {"#FFFF00", TSM_COLOR_LIGHT_YELLOW}},
    {"ansi_12_color", {"#0000FC", TSM_COLOR_LIGHT_BLUE}},
    {"ansi_13_color", {"#FF00FF", TSM_COLOR_LIGHT_MAGENTA}},
    {"ansi_14_color", {"#00FFFF", TSM_COLOR_LIGHT_CYAN}},
    {"ansi_15_color", {"#FFFFFF", TSM_COLOR_WHITE}},
    {"foreground_color", {"#FFFFFF", TSM_COLOR_FOREGROUND}},
    {"background_color", {"#000000", TSM_COLOR_BACKGROUND}},
};

const Terminal::KeyMap Terminal::KEY_MAP = {
    // Godot does not have seperate scancodes for keypad keys when NumLock is
    // off. We can check the unicode value to determine whether it is off and
    // set the appropriate scancode. Based on the patch which adds support for
    // this to TextEdit/LineEdit:
    // https://github.com/godotengine/godot/pull/3269/files
    {{KEY_KP_0, '0'}, XKB_KEY_KP_0},
    {{KEY_KP_0, '\0'}, XKB_KEY_KP_Insert},
    {{KEY_KP_1, '1'}, XKB_KEY_KP_1},
    {{KEY_KP_1, '\0'}, XKB_KEY_KP_End},
    {{KEY_KP_2, '2'}, XKB_KEY_KP_2},
    {{KEY_KP_2, '\0'}, XKB_KEY_KP_Down},
    {{KEY_KP_3, '3'}, XKB_KEY_KP_3},
    {{KEY_KP_3, '\0'}, XKB_KEY_KP_Page_Down},
    {{KEY_KP_4, '4'}, XKB_KEY_KP_4},
    {{KEY_KP_4, '\0'}, XKB_KEY_KP_Left},
    {{KEY_KP_5, '5'}, XKB_KEY_KP_5},
    {{KEY_KP_5, '\0'}, XKB_KEY_KP_Begin},
    {{KEY_KP_6, '6'}, XKB_KEY_KP_6},
    {{KEY_KP_6, '\0'}, XKB_KEY_KP_Right},
    {{KEY_KP_7, '7'}, XKB_KEY_KP_7},
    {{KEY_KP_7, '\0'}, XKB_KEY_KP_Home},
    {{KEY_KP_8, '8'}, XKB_KEY_KP_8},
    {{KEY_KP_8, '\0'}, XKB_KEY_KP_Up},
    {{KEY_KP_9, '9'}, XKB_KEY_KP_9},
    {{KEY_KP_9, '\0'}, XKB_KEY_KP_Page_Up},
    {{KEY_KP_PERIOD, '.'}, XKB_KEY_KP_Decimal},
    {{KEY_KP_PERIOD, '\0'}, XKB_KEY_KP_Delete},
    {{KEY_KP_DIVIDE, '/'}, XKB_KEY_KP_Divide},
    {{KEY_KP_MULTIPLY, '*'}, XKB_KEY_KP_Multiply},
    {{KEY_KP_SUBTRACT, '-'}, XKB_KEY_KP_Subtract},
    {{KEY_KP_ADD, '+'}, XKB_KEY_KP_Add},
    {{KEY_KP_ENTER, '\0'}, XKB_KEY_KP_Enter},
    //{{ , }, XKB_KEY_KP_Equal},
    //{{ , }, XKB_KEY_KP_Separator},
    //{{ , }, XKB_KEY_KP_Tab},
    //{{ , }, XKB_KEY_KP_F1},
    //{{ , }, XKB_KEY_KP_F2},
    //{{ , }, XKB_KEY_KP_F3},
    //{{ , }, XKB_KEY_KP_F4},

    // Godot scancodes do not distinguish between uppercase and lowercase
    // letters, so we can check the unicode value to determine this.
    {{KEY_A, 'a'}, XKB_KEY_a},
    {{KEY_A, 'A'}, XKB_KEY_A},
    {{KEY_B, 'b'}, XKB_KEY_b},
    {{KEY_B, 'B'}, XKB_KEY_B},
    {{KEY_C, 'c'}, XKB_KEY_c},
    {{KEY_C, 'C'}, XKB_KEY_C},
    {{KEY_D, 'd'}, XKB_KEY_d},
    {{KEY_D, 'D'}, XKB_KEY_D},
    {{KEY_E, 'e'}, XKB_KEY_e},
    {{KEY_E, 'E'}, XKB_KEY_E},
    {{KEY_F, 'f'}, XKB_KEY_f},
    {{KEY_F, 'F'}, XKB_KEY_F},
    {{KEY_G, 'g'}, XKB_KEY_g},
    {{KEY_G, 'G'}, XKB_KEY_G},
    {{KEY_H, 'h'}, XKB_KEY_h},
    {{KEY_H, 'H'}, XKB_KEY_H},
    {{KEY_I, 'i'}, XKB_KEY_i},
    {{KEY_I, 'I'}, XKB_KEY_I},
    {{KEY_J, 'j'}, XKB_KEY_j},
    {{KEY_J, 'J'}, XKB_KEY_J},
    {{KEY_K, 'k'}, XKB_KEY_k},
    {{KEY_K, 'K'}, XKB_KEY_K},
    {{KEY_L, 'l'}, XKB_KEY_l},
    {{KEY_L, 'L'}, XKB_KEY_L},
    {{KEY_M, 'm'}, XKB_KEY_m},
    {{KEY_M, 'M'}, XKB_KEY_M},
    {{KEY_N, 'n'}, XKB_KEY_n},
    {{KEY_N, 'N'}, XKB_KEY_N},
    {{KEY_O, 'o'}, XKB_KEY_o},
    {{KEY_O, 'O'}, XKB_KEY_O},
    {{KEY_P, 'p'}, XKB_KEY_p},
    {{KEY_P, 'P'}, XKB_KEY_P},
    {{KEY_Q, 'q'}, XKB_KEY_q},
    {{KEY_Q, 'Q'}, XKB_KEY_Q},
    {{KEY_R, 'r'}, XKB_KEY_r},
    {{KEY_R, 'R'}, XKB_KEY_R},
    {{KEY_S, 's'}, XKB_KEY_s},
    {{KEY_S, 'S'}, XKB_KEY_S},
    {{KEY_T, 't'}, XKB_KEY_t},
    {{KEY_T, 'T'}, XKB_KEY_T},
    {{KEY_U, 'u'}, XKB_KEY_u},
    {{KEY_U, 'U'}, XKB_KEY_U},
    {{KEY_V, 'v'}, XKB_KEY_v},
    {{KEY_V, 'V'}, XKB_KEY_V},
    {{KEY_W, 'w'}, XKB_KEY_w},
    {{KEY_W, 'W'}, XKB_KEY_W},
    {{KEY_X, 'x'}, XKB_KEY_x},
    {{KEY_X, 'X'}, XKB_KEY_X},
    {{KEY_Y, 'y'}, XKB_KEY_y},
    {{KEY_Y, 'Y'}, XKB_KEY_Y},
    {{KEY_Z, 'z'}, XKB_KEY_z},
    {{KEY_Z, 'Z'}, XKB_KEY_Z},

    {{KEY_0, '0'}, XKB_KEY_0},
    {{KEY_1, '1'}, XKB_KEY_1},
    {{KEY_2, '2'}, XKB_KEY_2},
    {{KEY_3, '3'}, XKB_KEY_3},
    {{KEY_4, '4'}, XKB_KEY_4},
    {{KEY_5, '5'}, XKB_KEY_5},
    {{KEY_6, '6'}, XKB_KEY_6},
    {{KEY_7, '7'}, XKB_KEY_7},
    {{KEY_8, '8'}, XKB_KEY_8},
    {{KEY_9, '9'}, XKB_KEY_9},

    {{KEY_BRACKETLEFT, '['}, XKB_KEY_bracketleft},
    {{KEY_BRACKETLEFT, ']'}, XKB_KEY_bracketright},
    {{KEY_BRACELEFT, '{'}, XKB_KEY_braceleft},
    {{KEY_BRACERIGHT, '}'}, XKB_KEY_braceright},

    {{KEY_BACKSLASH, '\\'}, XKB_KEY_backslash},
    {{KEY_BAR, '|'}, XKB_KEY_bar},
    {{KEY_QUOTELEFT, '`'}, XKB_KEY_grave},
    {{KEY_ASCIITILDE, '~'}, XKB_KEY_asciitilde},
    {{KEY_SLASH, '/'}, XKB_KEY_slash},
    {{KEY_QUESTION, '?'}, XKB_KEY_question},

    {{KEY_HOME, '\0'}, XKB_KEY_Home},
    {{KEY_BACKSPACE, '\0'}, XKB_KEY_BackSpace},
    {{KEY_BACKTAB, '\0'}, XKB_KEY_ISO_Left_Tab},
    {{KEY_CLEAR, '\0'}, XKB_KEY_Clear},
    {{KEY_PAUSE, '\0'}, XKB_KEY_Pause},
    {{KEY_SCROLLLOCK, '\0'}, XKB_KEY_Scroll_Lock},
    {{KEY_SYSREQ, '\0'}, XKB_KEY_Sys_Req},
    {{KEY_ESCAPE, '\0'}, XKB_KEY_Escape},
    {{KEY_ENTER, '\0'}, XKB_KEY_Return},
    {{KEY_INSERT, '\0'}, XKB_KEY_Insert},
    {{KEY_DELETE, '\0'}, XKB_KEY_Delete},
    {{KEY_PAGEUP, '\0'}, XKB_KEY_Page_Up},
    {{KEY_PAGEDOWN, '\0'}, XKB_KEY_Page_Down},
    {{KEY_UP, '\0'}, XKB_KEY_Up},
    {{KEY_DOWN, '\0'}, XKB_KEY_Down},
    {{KEY_RIGHT, '\0'}, XKB_KEY_Right},
    {{KEY_LEFT, '\0'}, XKB_KEY_Left},
    {{KEY_TAB, '\0'}, XKB_KEY_Tab},
    //{{ , }, XKB_KEY_Linefeed},
    //{{ , }, XKB_KEY_Find},
    //{{ , }, XKB_KEY_Select},

    {{KEY_F1, '\0'}, XKB_KEY_F1},
    {{KEY_F2, '\0'}, XKB_KEY_F2},
    {{KEY_F3, '\0'}, XKB_KEY_F3},
    {{KEY_F4, '\0'}, XKB_KEY_F4},
    {{KEY_F5, '\0'}, XKB_KEY_F5},
    {{KEY_F6, '\0'}, XKB_KEY_F6},
    {{KEY_F7, '\0'}, XKB_KEY_F7},
    {{KEY_F8, '\0'}, XKB_KEY_F8},
    {{KEY_F9, '\0'}, XKB_KEY_F9},
    {{KEY_F10, '\0'}, XKB_KEY_F10},
    {{KEY_F11, '\0'}, XKB_KEY_F11},
    {{KEY_F12, '\0'}, XKB_KEY_F12},
    {{KEY_F13, '\0'}, XKB_KEY_F13},
    {{KEY_F14, '\0'}, XKB_KEY_F14},
    {{KEY_F15, '\0'}, XKB_KEY_F15},
    {{KEY_F16, '\0'}, XKB_KEY_F16},
    {{KEY_F17, '\0'}, XKB_KEY_F17},
    {{KEY_F18, '\0'}, XKB_KEY_F18},
    {{KEY_F19, '\0'}, XKB_KEY_F19},
    {{KEY_F20, '\0'}, XKB_KEY_F20},
    {{KEY_F21, '\0'}, XKB_KEY_F21},
    {{KEY_F22, '\0'}, XKB_KEY_F22},
    {{KEY_F23, '\0'}, XKB_KEY_F23},
    {{KEY_F24, '\0'}, XKB_KEY_F24},
    {{KEY_F25, '\0'}, XKB_KEY_F25},
    {{KEY_F26, '\0'}, XKB_KEY_F26},
    {{KEY_F27, '\0'}, XKB_KEY_F27},
    {{KEY_F28, '\0'}, XKB_KEY_F28},
    {{KEY_F29, '\0'}, XKB_KEY_F29},
    {{KEY_F30, '\0'}, XKB_KEY_F30},
    {{KEY_F31, '\0'}, XKB_KEY_F31},
    {{KEY_F32, '\0'}, XKB_KEY_F32},
    {{KEY_F33, '\0'}, XKB_KEY_F33},
    {{KEY_F34, '\0'}, XKB_KEY_F34},
    {{KEY_F35, '\0'}, XKB_KEY_F35},
};