/*
 * rofi
 *
 * MIT/X11 License
 * Copyright © 2013-2021 Qball Cow <qball@gmpclient.org>
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */
/** Log domain for this module */
#define G_LOG_DOMAIN "XrmOptions"

#include "xrmoptions.h"
#include "helper.h"
#include "rofi-types.h"
#include "rofi.h"
#include "settings.h"
#include "xcb-internal.h"
#include "xcb.h"
#include <ctype.h>
#include <glib.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <xcb/xcb.h>
#include <xcb/xkb.h>

ThemeWidget *rofi_configuration = NULL;

/** Different sources of configuration. */
const char *const ConfigSourceStr[] = {"Default", "File", "Rasi File",
                                       "Commandline", "Don't Display"};
/** Enumerator of different sources of configuration. */
enum ConfigSource {
  CONFIG_DEFAULT = 0,
  CONFIG_FILE = 1,
  CONFIG_FILE_THEME = 2,
  CONFIG_CMDLINE = 3,
  CONFIG_NO_DISPLAY = 4
};

typedef struct {
  int type;
  const char *name;
  union {
    unsigned int *num;
    int *snum;
    char **str;
    void *pointer;
    char *charc;
  } value;
  char *mem;
  const char *comment;
  enum ConfigSource source;
} XrmOption;
/**
 * Map X resource and commandline options to internal options
 * Currently supports string, boolean and number (signed and unsigned).
 */
static XrmOption xrmOptions[] = {
    {xrm_String, "switchers", {.str = &config.modi}, NULL, "", CONFIG_DEFAULT},
    {xrm_String,
     "modi",
     {.str = &config.modi},
     NULL,
     "Enabled modi",
     CONFIG_DEFAULT},
    {xrm_String,
     "font",
     {.str = &config.menu_font},
     NULL,
     "Font to use",
     CONFIG_DEFAULT},
    {xrm_Number,
     "location",
     {.num = &config.location},
     NULL,
     "Location on screen",
     CONFIG_DEFAULT},
    {xrm_SNumber,
     "yoffset",
     {.snum = &config.y_offset},
     NULL,
     "Y-offset relative to location",
     CONFIG_DEFAULT},
    {xrm_SNumber,
     "xoffset",
     {.snum = &config.x_offset},
     NULL,
     "X-offset relative to location",
     CONFIG_DEFAULT},
    {xrm_Boolean,
     "fixed-num-lines",
     {.num = &config.fixed_num_lines},
     NULL,
     "Always show number of lines",
     CONFIG_DEFAULT},

    {xrm_Boolean,
     "show-icons",
     {.snum = &config.show_icons},
     NULL,
     "Whether to load and show icons",
     CONFIG_DEFAULT},

    {xrm_String,
     "terminal",
     {.str = &config.terminal_emulator},
     NULL,
     "Terminal to use",
     CONFIG_DEFAULT},
    {xrm_String,
     "ssh-client",
     {.str = &config.ssh_client},
     NULL,
     "Ssh client to use",
     CONFIG_DEFAULT},
    {xrm_String,
     "ssh-command",
     {.str = &config.ssh_command},
     NULL,
     "Ssh command to execute",
     CONFIG_DEFAULT},
    {xrm_String,
     "run-command",
     {.str = &config.run_command},
     NULL,
     "Run command to execute",
     CONFIG_DEFAULT},
    {xrm_String,
     "run-list-command",
     {.str = &config.run_list_command},
     NULL,
     "Command to get extra run targets",
     CONFIG_DEFAULT},
    {xrm_String,
     "run-shell-command",
     {.str = &config.run_shell_command},
     NULL,
     "Run command to execute that runs in shell",
     CONFIG_DEFAULT},
    {xrm_String,
     "window-command",
     {.str = &config.window_command},
     NULL,
     "Command to executed when -kb-accept-alt binding is hit on selected "
     "window ",
     CONFIG_DEFAULT},
    {xrm_String,
     "window-match-fields",
     {.str = &config.window_match_fields},
     NULL,
     "Window fields to match in window mode",
     CONFIG_DEFAULT},
    {xrm_String,
     "icon-theme",
     {.str = &config.icon_theme},
     NULL,
     "Theme to use to look for icons",
     CONFIG_DEFAULT},

    {xrm_String,
     "drun-match-fields",
     {.str = &config.drun_match_fields},
     NULL,
     "Desktop entry fields to match in drun",
     CONFIG_DEFAULT},
    {xrm_String,
     "drun-categories",
     {.str = &config.drun_categories},
     NULL,
     "Only show Desktop entry from these categories",
     CONFIG_DEFAULT},
    {xrm_Boolean,
     "drun-show-actions",
     {.num = &config.drun_show_actions},
     NULL,
     "Desktop entry show actions.",
     CONFIG_DEFAULT},
    {xrm_String,
     "drun-display-format",
     {.str = &config.drun_display_format},
     NULL,
     "DRUN format string. (Supports: generic,name,comment,exec,categories)",
     CONFIG_DEFAULT},
    {xrm_String,
     "drun-url-launcher",
     {.str = &config.drun_url_launcher},
     NULL,
     "Command to open a Desktop Entry that is a Link.",
     CONFIG_DEFAULT},

    {xrm_Boolean,
     "disable-history",
     {.num = &config.disable_history},
     NULL,
     "Disable history in run/ssh",
     CONFIG_DEFAULT},
    {xrm_String,
     "ignored-prefixes",
     {.str = &config.ignored_prefixes},
     NULL,
     "Programs ignored for history",
     CONFIG_DEFAULT},
    {xrm_Boolean,
     "sort",
     {.num = &config.sort},
     NULL,
     "Use sorting",
     CONFIG_DEFAULT},
    {xrm_String,
     "sorting-method",
     {.str = &config.sorting_method},
     NULL,
     "Choose the strategy used for sorting: normal (levenshtein) or fzf.",
     CONFIG_DEFAULT},
    {xrm_Boolean,
     "case-sensitive",
     {.num = &config.case_sensitive},
     NULL,
     "Set case-sensitivity",
     CONFIG_DEFAULT},
    {xrm_Boolean,
     "cycle",
     {.num = &config.cycle},
     NULL,
     "Cycle through the results list",
     CONFIG_DEFAULT},
    {xrm_Boolean,
     "sidebar-mode",
     {.num = &config.sidebar_mode},
     NULL,
     "Enable sidebar-mode",
     CONFIG_DEFAULT},
    {xrm_Boolean,
     "hover-select",
     {.snum = &config.hover_select},
     NULL,
     "Enable hover-select",
     CONFIG_DEFAULT},
    {xrm_SNumber,
     "eh",
     {.snum = &config.element_height},
     NULL,
     "Row height (in chars)",
     CONFIG_DEFAULT},
    {xrm_Boolean,
     "auto-select",
     {.num = &config.auto_select},
     NULL,
     "Enable auto select mode",
     CONFIG_DEFAULT},
    {xrm_Boolean,
     "parse-hosts",
     {.num = &config.parse_hosts},
     NULL,
     "Parse hosts file for ssh mode",
     CONFIG_DEFAULT},
    {xrm_Boolean,
     "parse-known-hosts",
     {.num = &config.parse_known_hosts},
     NULL,
     "Parse known_hosts file for ssh mode",
     CONFIG_DEFAULT},
    {xrm_String,
     "combi-modi",
     {.str = &config.combi_modi},
     NULL,
     "Set the modi to combine in combi mode",
     CONFIG_DEFAULT},
    {xrm_String,
     "matching",
     {.str = &config.matching},
     NULL,
     "Set the matching algorithm. (normal, regex, glob, fuzzy, prefix)",
     CONFIG_DEFAULT},
    {xrm_Boolean,
     "tokenize",
     {.num = &config.tokenize},
     NULL,
     "Tokenize input string",
     CONFIG_DEFAULT},
    {xrm_String, "monitor", {.str = &config.monitor}, NULL, "", CONFIG_DEFAULT},
    /* Alias for dmenu compatibility. */
    {xrm_String,
     "m",
     {.str = &config.monitor},
     NULL,
     "Monitor id to show on",
     CONFIG_DEFAULT},
    {xrm_String,
     "filter",
     {.str = &config.filter},
     NULL,
     "Pre-set filter",
     CONFIG_DEFAULT},
    {xrm_SNumber, "dpi", {.snum = &config.dpi}, NULL, "DPI", CONFIG_DEFAULT},
    {xrm_Number,
     "threads",
     {.num = &config.threads},
     NULL,
     "Threads to use for string matching",
     CONFIG_DEFAULT},
    {xrm_Number,
     "scroll-method",
     {.num = &config.scroll_method},
     NULL,
     "Scrolling method. (0: Page, 1: Centered)",
     CONFIG_DEFAULT},
    {xrm_String,
     "window-format",
     {.str = &config.window_format},
     NULL,
     "Window Format. w (desktop name), t (title), n (name), r (role), c "
     "(class)",
     CONFIG_DEFAULT},
    {xrm_Boolean,
     "click-to-exit",
     {.snum = &config.click_to_exit},
     NULL,
     "Click outside the window to exit",
     CONFIG_DEFAULT},
    {xrm_String,
     "theme",
     {.str = &config.theme},
     NULL,
     "New style theme file",
     CONFIG_DEFAULT | CONFIG_NO_DISPLAY},
    {xrm_Number,
     "max-history-size",
     {.num = &config.max_history_size},
     NULL,
     "Max history size (WARNING: can cause slowdowns when set too high).",
     CONFIG_DEFAULT},
    {xrm_Boolean,
     "combi-hide-mode-prefix",
     {.snum = &config.combi_hide_mode_prefix},
     NULL,
     "Hide the prefix mode prefix on the combi view.**deprecated** use "
     "combi-display-format",
     CONFIG_DEFAULT},
    {xrm_String,
     "combi-display-format",
     {.str = &config.combi_display_format},
     NULL,
     "Combi format string. (Supports: mode, text)",
     CONFIG_DEFAULT},
    {xrm_Char,
     "matching-negate-char",
     {.charc = &config.matching_negate_char},
     NULL,
     "Set the character used to negate the matching. ('\\0' to disable)",
     CONFIG_DEFAULT},
    {xrm_String,
     "cache-dir",
     {.str = &config.cache_dir},
     NULL,
     "Directory where history and temporary files are stored.",
     CONFIG_DEFAULT},
    {xrm_Boolean,
     "window-thumbnail",
     {.snum = &config.window_thumbnail},
     NULL,
     "Show window thumbnail (if available) as icon in window switcher.",
     CONFIG_DEFAULT},
    {xrm_Boolean,
     "drun-use-desktop-cache",
     {.snum = &config.drun_use_desktop_cache},
     NULL,
     "DRUN: build and use a cache with desktop file content.",
     CONFIG_DEFAULT},
    {xrm_Boolean,
     "drun-reload-desktop-cache",
     {.snum = &config.drun_reload_desktop_cache},
     NULL,
     "DRUN: If enabled, reload the cache with desktop file content.",
     CONFIG_DEFAULT},
    {xrm_Boolean,
     "normalize-match",
     {.snum = &config.normalize_match},
     NULL,
     "Normalize string when matching (disables match highlighting).",
     CONFIG_DEFAULT},
    {xrm_Boolean,
     "steal-focus",
     {.snum = &config.steal_focus},
     NULL,
     "Steal focus on launch and restore to window that had it on rofi start on "
     "close .",
     CONFIG_DEFAULT},
    {xrm_String,
     "application-fallback-icon",
     {.str = &(config.application_fallback_icon)},
     NULL,
     "Fallback icon to use when the application icon is not found in run/drun.",
     CONFIG_DEFAULT},
};

/** Dynamic array of extra options */
XrmOption *extra_options = NULL;
/** Number of entries in extra options array */
unsigned int num_extra_options = 0;

/** This is a big hack, we need to fix this. */
GList *extra_parsed_options = NULL;

static gboolean __config_parser_set_property(XrmOption *option,
                                             const Property *p, char **error);

void config_parser_add_option(XrmOptionType type, const char *key, void **value,
                              const char *comment) {
  extra_options =
      g_realloc(extra_options, (num_extra_options + 1) * sizeof(XrmOption));

  extra_options[num_extra_options].type = type;
  extra_options[num_extra_options].name = key;
  extra_options[num_extra_options].value.pointer = value;
  extra_options[num_extra_options].comment = comment;
  extra_options[num_extra_options].source = CONFIG_DEFAULT;
  switch (type) {
  case xrm_String:
    extra_options[num_extra_options].mem = ((char *)(*value));
    break;
  default:
    extra_options[num_extra_options].mem = NULL;
    break;
  }

  for (GList *iter = g_list_first(extra_parsed_options); iter != NULL;
       iter = g_list_next(iter)) {
    if (g_strcmp0(((Property *)(iter->data))->name, key) == 0) {
      char *error = NULL;
      g_debug("Setting property from backup list: %s", key);
      if (__config_parser_set_property(&(extra_options[num_extra_options]),
                                       (Property *)(iter->data), &error)) {
        g_debug("Failed to set property on custom entry: %s", key);
        g_free(error);
      }
      num_extra_options++;
      return;
    }
  }
  num_extra_options++;
}

/**
 * Parse an option from the commandline vector.
 */
static void config_parse_cmd_option(XrmOption *option) {
  // Prepend a - to the option name.
  char *key = g_strdup_printf("-%s", option->name);
  switch (option->type) {
  case xrm_Number:
    if (find_arg_uint(key, option->value.num) == TRUE) {
      option->source = (option->source & ~3) | CONFIG_CMDLINE;
    }
    break;
  case xrm_SNumber:
    if (find_arg_int(key, option->value.snum) == TRUE) {
      option->source = (option->source & ~3) | CONFIG_CMDLINE;
    }
    break;
  case xrm_String:
    if (find_arg_str(key, option->value.str) == TRUE) {
      if (option->mem != NULL) {
        g_free(option->mem);
        option->mem = NULL;
      }
      option->source = (option->source & ~3) | CONFIG_CMDLINE;
    }
    break;
  case xrm_Boolean:
    if (find_arg(key) >= 0) {
      *(option->value.num) = TRUE;
      option->source = (option->source & ~3) | CONFIG_CMDLINE;
    } else {
      g_free(key);
      key = g_strdup_printf("-no-%s", option->name);
      if (find_arg(key) >= 0) {
        *(option->value.num) = FALSE;
        option->source = (option->source & ~3) | CONFIG_CMDLINE;
      }
    }
    break;
  case xrm_Char:
    if (find_arg_char(key, option->value.charc) == TRUE) {
      option->source = (option->source & ~3) | CONFIG_CMDLINE;
    }
    break;
  default:
    break;
  }
  g_free(key);
}

static gboolean config_parser_form_rasi_format(GString *str, char **tokens,
                                               int count, char *argv,
                                               gboolean string) {
  for (int j = 0; j < (count - 1); j++) {
    g_string_append_printf(str, "%s { ", tokens[j]);
  }
  if (string) {
    char *esc = g_strescape(argv, NULL);
    g_string_append_printf(str, "%s: \"%s\";", tokens[count - 1], esc);
    g_free(esc);
  } else {
    g_string_append_printf(str, "%s: %s;", tokens[count - 1], argv);
  }
  for (int j = 0; j < (count - 1); j++) {
    g_string_append(str, " } ");
  }
  return TRUE;
}

void config_parse_cmd_options(void) {
  for (unsigned int i = 0; i < sizeof(xrmOptions) / sizeof(XrmOption); ++i) {
    XrmOption *op = &(xrmOptions[i]);
    config_parse_cmd_option(op);
  }
  for (unsigned int i = 0; i < num_extra_options; ++i) {
    XrmOption *op = &(extra_options[i]);
    config_parse_cmd_option(op);
  }

  /** copy of the argc for use in commandline argument parser. */
  extern int stored_argc;
  /** copy of the argv pointer for use in the commandline argument parser */
  extern char **stored_argv;
  for (int in = 1; in < (stored_argc - 1); in++) {
    if (stored_argv[in][0] == '-') {
      if (stored_argv[in + 1][0] == '-') {
        continue;
      }
      /** TODO: This is a hack, and should be fixed in a nicer way. */
      char **tokens = g_strsplit(stored_argv[in], "-", 3);
      int count = 1;
      for (int j = 1; tokens && tokens[j]; j++) {
        count++;
      }
      if (count >= 2) {
        if (g_str_has_prefix(tokens[1], "theme")) {
          g_strfreev(tokens);
          tokens = g_strsplit(stored_argv[in], "+", 0);
          count = g_strv_length(tokens);
          if (count > 2) {
            GString *str = g_string_new("");
            config_parser_form_rasi_format(str, &(tokens[1]), count - 1,
                                           stored_argv[in + 1], FALSE);
            if (rofi_theme_parse_string(str->str) == 1) {
              /** Failed to parse, try again as string. */
              g_strfreev(tokens);
              g_string_free(str, TRUE);
              return;
            }
            g_string_free(str, TRUE);
          }
        } else if (g_strcmp0(tokens[1], "no") != 0) {
          GString *str = g_string_new("configuration { ");
          config_parser_form_rasi_format(str, &(tokens[1]), count - 1,
                                         stored_argv[in + 1], FALSE);
          g_string_append(str, "}");
          g_debug("str: \"%s\"\n", str->str);
          if (rofi_theme_parse_string(str->str) == 1) {
            /** Failed to parse, try again as string. */
            rofi_clear_error_messages();
            g_string_assign(str, "configuration { ");
            config_parser_form_rasi_format(str, &(tokens[1]), count - 1,
                                           stored_argv[in + 1], TRUE);
            g_string_append(str, "}");
            g_debug("str: \"%s\"\n", str->str);
            if (rofi_theme_parse_string(str->str) == 1) {
              /** Failed to parse, try again as string. */
              rofi_clear_error_messages();
            }
          }
          g_string_free(str, TRUE);
        }
        in++;
      }
      g_strfreev(tokens);
    }
  }
}

static gboolean __config_parser_set_property(XrmOption *option,
                                             const Property *p, char **error) {
  if (option->type == xrm_String) {
    if (p->type != P_STRING && p->type != P_LIST) {
      *error =
          g_strdup_printf("Option: %s needs to be set with a string not a %s.",
                          option->name, PropertyTypeName[p->type]);
      return TRUE;
    }
    gchar *value = NULL;
    if (p->type == P_LIST) {
      for (GList *iter = p->value.list; iter != NULL;
           iter = g_list_next(iter)) {
        Property *p = (Property *)iter->data;
        if (value == NULL) {
          value = g_strdup((char *)(p->value.s));
        } else {
          char *nv = g_strjoin(",", value, (char *)(p->value.s), NULL);
          g_free(value);
          value = nv;
        }
      }
    } else {
      value = g_strdup(p->value.s);
    }
    if ((option)->mem != NULL) {
      g_free(option->mem);
      option->mem = NULL;
    }
    *(option->value.str) = value;

    // Memory
    (option)->mem = *(option->value.str);
    option->source = (option->source & ~3) | CONFIG_FILE_THEME;
  } else if (option->type == xrm_Number) {
    if (p->type != P_INTEGER) {
      *error =
          g_strdup_printf("Option: %s needs to be set with a number not a %s.",
                          option->name, PropertyTypeName[p->type]);
      return TRUE;
    }
    *(option->value.snum) = p->value.i;
    option->source = (option->source & ~3) | CONFIG_FILE_THEME;
  } else if (option->type == xrm_SNumber) {
    if (p->type != P_INTEGER) {
      *error =
          g_strdup_printf("Option: %s needs to be set with a number not a %s.",
                          option->name, PropertyTypeName[p->type]);
      return TRUE;
    }
    *(option->value.num) = (unsigned int)(p->value.i);
    option->source = (option->source & ~3) | CONFIG_FILE_THEME;
  } else if (option->type == xrm_Boolean) {
    if (p->type != P_BOOLEAN) {
      *error =
          g_strdup_printf("Option: %s needs to be set with a boolean not a %s.",
                          option->name, PropertyTypeName[p->type]);
      return TRUE;
    }
    *(option->value.num) = (p->value.b);
    option->source = (option->source & ~3) | CONFIG_FILE_THEME;
  } else if (option->type == xrm_Char) {
    if (p->type != P_CHAR) {
      *error = g_strdup_printf(
          "Option: %s needs to be set with a character not a %s.", option->name,
          PropertyTypeName[p->type]);
      return TRUE;
    }
    *(option->value.charc) = (p->value.c);
    option->source = (option->source & ~3) | CONFIG_FILE_THEME;
  } else {
    // TODO add type
    *error = g_strdup_printf("Option: %s is not of a supported type: %s.",
                             option->name, PropertyTypeName[p->type]);
    return TRUE;
  }
  return FALSE;
}

gboolean config_parse_set_property(const Property *p, char **error) {
  if (g_ascii_strcasecmp(p->name, "theme") == 0) {
    if (p->type == P_STRING) {
      *error = g_strdup_printf("The option:\n<b>\nconfiguration\n{\n\ttheme: "
                               "\"%s\";\n}</b>\nis deprecated. Please replace "
                               "with: <b>@theme \"%s\"</b> "
                               "after the configuration block.",
                               p->value.s, p->value.s);
    } else {
      *error = g_strdup_printf("The option:\n<b>\nconfiguration\n{\n\ttheme: "
                               "\"%s\";\n}</b>\nis deprecated. Please replace "
                               "with: <b>@theme \"%s\"</b> "
                               "after the configuration block.",
                               "myTheme", "myTheme");
    }
    return TRUE;
  }
  for (unsigned int i = 0; i < sizeof(xrmOptions) / sizeof(XrmOption); ++i) {
    XrmOption *op = &(xrmOptions[i]);
    if (g_strcmp0(op->name, p->name) == 0) {
      return __config_parser_set_property(op, p, error);
    }
  }
  for (unsigned int i = 0; i < num_extra_options; ++i) {
    XrmOption *op = &(extra_options[i]);
    if (g_strcmp0(op->name, p->name) == 0) {
      return __config_parser_set_property(op, p, error);
    }
  }
  //*error = g_strdup_printf("Option: %s is not found.", p->name);
  g_debug("Option: %s is not found.", p->name);

  for (GList *iter = g_list_first(extra_parsed_options); iter != NULL;
       iter = g_list_next(iter)) {
    if (g_strcmp0(((Property *)(iter->data))->name, p->name) == 0) {
      rofi_theme_property_free((Property *)(iter->data));
      iter->data = (void *)rofi_theme_property_copy(p);
      return FALSE;
    }
  }
  g_debug("Adding option: %s to backup list.", p->name);
  extra_parsed_options =
      g_list_append(extra_parsed_options, rofi_theme_property_copy(p));

  return FALSE;
}

void config_xresource_free(void) {
  for (unsigned int i = 0; i < (sizeof(xrmOptions) / sizeof(*xrmOptions));
       ++i) {
    if (xrmOptions[i].mem != NULL) {
      g_free(xrmOptions[i].mem);
      xrmOptions[i].mem = NULL;
    }
  }
  for (unsigned int i = 0; i < num_extra_options; ++i) {
    if (extra_options[i].mem != NULL) {
      g_free(extra_options[i].mem);
      extra_options[i].mem = NULL;
    }
  }
  if (extra_options != NULL) {
    g_free(extra_options);
  }
  g_list_free_full(extra_parsed_options,
                   (GDestroyNotify)rofi_theme_property_free);
}

static void config_parse_dump_config_option(FILE *out, XrmOption *option) {
  if (option->type == xrm_Char || (option->source & 3) == CONFIG_DEFAULT) {
    fprintf(out, "/*");
  }
  fprintf(out, "\t%s: ", option->name);
  switch (option->type) {
  case xrm_Number:
    fprintf(out, "%u", *(option->value.num));
    break;
  case xrm_SNumber:
    fprintf(out, "%i", *(option->value.snum));
    break;
  case xrm_String:
    if ((*(option->value.str)) != NULL) {
      // TODO should this be escaped?
      fprintf(out, "\"%s\"", *(option->value.str));
    }
    break;
  case xrm_Boolean:
    fprintf(out, "%s", (*(option->value.num) == TRUE) ? "true" : "false");
    break;
  case xrm_Char:
    // TODO
    if (*(option->value.charc) > 32 && *(option->value.charc) < 127) {
      fprintf(out, "'%c'", *(option->value.charc));
    } else {
      fprintf(out, "'\\x%02X'", *(option->value.charc));
    }
    fprintf(out, " /* unsupported */");
    break;
  default:
    break;
  }

  fprintf(out, ";");
  if (option->type == xrm_Char || (option->source & 3) == CONFIG_DEFAULT) {
    fprintf(out, "*/");
  }
  fprintf(out, "\n");
}

void config_parse_dump_config_rasi_format(FILE *out, gboolean changes) {
  fprintf(out, "configuration {\n");

  unsigned int entries = sizeof(xrmOptions) / sizeof(*xrmOptions);
  for (unsigned int i = 0; i < entries; ++i) {
    // Skip duplicates.
    if ((i + 1) < entries) {
      if (xrmOptions[i].value.str == xrmOptions[i + 1].value.str) {
        continue;
      }
    }
    if ((xrmOptions[i].source & CONFIG_NO_DISPLAY) == CONFIG_NO_DISPLAY) {
      continue;
    }
    if (!changes || (xrmOptions[i].source & 3) != CONFIG_DEFAULT) {
      config_parse_dump_config_option(out, &(xrmOptions[i]));
    }
  }
  for (unsigned int i = 0; i < num_extra_options; i++) {
    if ((extra_options[i].source & CONFIG_NO_DISPLAY) == CONFIG_NO_DISPLAY) {
      continue;
    }
    if (!changes || (extra_options[i].source & 3) != CONFIG_DEFAULT) {

      config_parse_dump_config_option(out, &(extra_options[i]));
    }
  }

  for (unsigned int index = 0; index < rofi_configuration->num_widgets;
       index++) {
    rofi_theme_print_index(rofi_configuration->widgets[index], 2);
  }

  fprintf(out, "}\n");

  if (config.theme != NULL) {
    fprintf(out, "@theme \"%s\"\r\n", config.theme);
  }
}

static void print_option_string(XrmOption *xo, int is_term) {
  int l = strlen(xo->name);
  if (is_term) {
    printf("\t" color_bold "-%s" color_reset " [string]%-*c%s\n", xo->name,
           30 - l, ' ', xo->comment);
    printf("\t" color_italic "%s" color_reset,
           (*(xo->value.str) == NULL) ? "(unset)" : (*(xo->value.str)));
    printf(" " color_green "(%s)" color_reset "\n",
           ConfigSourceStr[xo->source & 3]);
  } else {
    printf("\t-%s [string]%-*c%s\n", xo->name, 30 - l, ' ', xo->comment);
    printf("\t\t%s",
           (*(xo->value.str) == NULL) ? "(unset)" : (*(xo->value.str)));
    printf(" (%s)\n", ConfigSourceStr[xo->source & 3]);
  }
}
static void print_option_number(XrmOption *xo, int is_term) {
  int l = strlen(xo->name);
  if (is_term) {
    printf("\t" color_bold "-%s" color_reset " [number]%-*c%s\n", xo->name,
           30 - l, ' ', xo->comment);
    printf("\t" color_italic "%u" color_reset, *(xo->value.num));
    printf(" " color_green "(%s)" color_reset "\n",
           ConfigSourceStr[xo->source & 3]);
  } else {
    printf("\t-%s [number]%-*c%s\n", xo->name, 30 - l, ' ', xo->comment);
    printf("\t\t%u", *(xo->value.num));
    printf(" (%s)\n", ConfigSourceStr[xo->source & 3]);
  }
}
static void print_option_snumber(XrmOption *xo, int is_term) {
  int l = strlen(xo->name);
  if (is_term) {
    printf("\t" color_bold "-%s" color_reset " [number]%-*c%s\n", xo->name,
           30 - l, ' ', xo->comment);
    printf("\t" color_italic "%d" color_reset, *(xo->value.snum));
    printf(" " color_green "(%s)" color_reset "\n",
           ConfigSourceStr[xo->source & 3]);
  } else {
    printf("\t-%s [number]%-*c%s\n", xo->name, 30 - l, ' ', xo->comment);
    printf("\t\t%d", *(xo->value.snum));
    printf(" (%s)\n", ConfigSourceStr[xo->source & 3]);
  }
}
static void print_option_char(XrmOption *xo, int is_term) {
  int l = strlen(xo->name);
  if (is_term) {
    printf("\t" color_bold "-%s" color_reset " [character]%-*c%s\n", xo->name,
           30 - l, ' ', xo->comment);
    printf("\t" color_italic "%c" color_reset, *(xo->value.charc));
    printf(" " color_green "(%s)" color_reset "\n",
           ConfigSourceStr[xo->source & 3]);
  } else {
    printf("\t-%s [character]%-*c%s\n", xo->name, 30 - l, ' ', xo->comment);
    printf("\t\t%c", *(xo->value.charc));
    printf(" (%s)\n", ConfigSourceStr[xo->source & 3]);
  }
}
static void print_option_boolean(XrmOption *xo, int is_term) {
  int l = strlen(xo->name);
  if (is_term) {
    printf("\t" color_bold "-[no-]%s" color_reset " %-*c%s\n", xo->name, 33 - l,
           ' ', xo->comment);
    printf("\t" color_italic "%s" color_reset,
           (*(xo->value.snum)) ? "True" : "False");
    printf(" " color_green "(%s)" color_reset "\n",
           ConfigSourceStr[xo->source & 3]);
  } else {
    printf("\t-[no-]%s %-*c%s\n", xo->name, 33 - l, ' ', xo->comment);
    printf("\t\t%s", (*(xo->value.snum)) ? "True" : "False");
    printf(" (%s)\n", ConfigSourceStr[xo->source & 3]);
  }
}

static void print_option(XrmOption *xo, int is_term) {
  if ((xo->source & CONFIG_NO_DISPLAY) == CONFIG_NO_DISPLAY) {
    return;
  }
  switch (xo->type) {
  case xrm_String:
    print_option_string(xo, is_term);
    break;
  case xrm_Number:
    print_option_number(xo, is_term);
    break;
  case xrm_SNumber:
    print_option_snumber(xo, is_term);
    break;
  case xrm_Boolean:
    print_option_boolean(xo, is_term);
    break;
  case xrm_Char:
    print_option_char(xo, is_term);
    break;
  default:
    break;
  }
}
void print_options(void) {
  // Check output filedescriptor
  int is_term = isatty(fileno(stdout));
  unsigned int entries = sizeof(xrmOptions) / sizeof(*xrmOptions);
  for (unsigned int i = 0; i < entries; ++i) {
    if ((i + 1) < entries) {
      if (xrmOptions[i].value.str == xrmOptions[i + 1].value.str) {
        continue;
      }
    }
    print_option(&xrmOptions[i], is_term);
  }
  for (unsigned int i = 0; i < num_extra_options; i++) {
    print_option(&extra_options[i], is_term);
  }
}

void print_help_msg(const char *option, const char *type, const char *text,
                    const char *def, int isatty) {
  int l = 37 - strlen(option) - strlen(type);
  if (isatty) {
    printf("\t%s%s%s %s %-*c%s\n", color_bold, option, color_reset, type, l,
           ' ', text);
    if (def != NULL) {
      printf("\t\t%s%s%s\n", color_italic, def, color_reset);
    }
  } else {
    printf("\t%s %s %-*c%s\n", option, type, l, ' ', text);
    if (def != NULL) {
      printf("\t\t%s\n", def);
    }
  }
}

static char *config_parser_return_display_help_entry(XrmOption *option,
                                                     size_t l) {
  int ll = (int)l;
  switch (option->type) {
  case xrm_Number:
    return g_markup_printf_escaped(
        "<b%-*s</b> (%u) <span style='italic' size='small'>%s</span>", ll,
        option->name, *(option->value.num), option->comment);
  case xrm_SNumber:
    return g_markup_printf_escaped(
        "<b%-*s</b> (%d) <span style='italic' size='small'>%s</span>", ll,
        option->name, *(option->value.snum), option->comment);
  case xrm_String:
    return g_markup_printf_escaped(
        "<b>%-*s</b> (%s) <span style='italic' size='small'>%s</span>", ll,
        option->name,
        (*(option->value.str) != NULL) ? *(option->value.str) : "null",
        option->comment);
  case xrm_Boolean:
    return g_markup_printf_escaped(
        "<b>%-*s</b> (%s) <span style='italic' size='small'>%s</span>", ll,
        option->name, (*(option->value.num) == TRUE) ? "true" : "false",
        option->comment);
  case xrm_Char:
    if (*(option->value.charc) > 32 && *(option->value.charc) < 127) {
      return g_markup_printf_escaped(
          "<b>%-*s</b> (%c) <span style='italic' size='small'>%s</span>", ll,
          option->name, *(option->value.charc), option->comment);
    } else {
      return g_markup_printf_escaped(
          "<b%-*s</b> (\\x%02X) <span style='italic' size='small'>%s</span>",
          ll, option->name, *(option->value.charc), option->comment);
    }
  default:
    break;
  }

  return g_strdup("failed");
}

char **config_parser_return_display_help(unsigned int *length) {
  unsigned int entries = sizeof(xrmOptions) / sizeof(*xrmOptions);
  char **retv = NULL;
  /**
   * Get length of name
   */
  size_t max_length = 0;
  for (unsigned int i = 0; i < entries; ++i) {
    size_t l = strlen(xrmOptions[i].name);
    max_length = MAX(max_length, l);
  }
  for (unsigned int i = 0; i < num_extra_options; i++) {
    size_t l = strlen(extra_options[i].name);
    max_length = MAX(max_length, l);
  }
  /**
   * Generate entries
   */
  for (unsigned int i = 0; i < entries; ++i) {
    if ((i + 1) < entries) {
      if (xrmOptions[i].value.str == xrmOptions[i + 1].value.str) {
        continue;
      }
    }
    if (strncmp(xrmOptions[i].name, "kb", 2) != 0 &&
        strncmp(xrmOptions[i].name, "ml", 2) != 0 &&
        strncmp(xrmOptions[i].name, "me", 2) != 0) {
      continue;
    }

    retv = g_realloc(retv, ((*length) + 2) * sizeof(char *));

    retv[(*length)] =
        config_parser_return_display_help_entry(&xrmOptions[i], max_length);
    (*length)++;
  }
  for (unsigned int i = 0; i < num_extra_options; i++) {
    if (strncmp(extra_options[i].name, "kb", 2) != 0 &&
        strncmp(extra_options[i].name, "ml", 2) != 0 &&
        strncmp(extra_options[i].name, "me", 2) != 0) {
      continue;
    }
    retv = g_realloc(retv, ((*length) + 2) * sizeof(char *));
    retv[(*length)] =
        config_parser_return_display_help_entry(&extra_options[i], max_length);
    (*length)++;
  }
  if ((*length) > 0) {
    retv[(*length)] = NULL;
  }
  return retv;
}
