/*
* Copyright (C) 2024 - 2024:
* The Trinitrix Project <bpeetz@b-peetz.de, antifallobst@systemausfall.org>
* SPDX-License-Identifier: MIT
*
* This file is part of Trinitrix.
*
* 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.
*/

#include "../../dist/interface.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define println(args...)                                                       \
  fprintf(log_file, "\33[32;1m(plugin):\33[0m \33[34;1m");                     \
  fprintf(log_file, args);                                                     \
  fprintf(log_file, "\n\33[0m");                                               \
  fflush(log_file);

#define eprintln(args...)                                                      \
  fprintf(log_file, "\33[32;1m(plugin):\33[0m\33[31;1m ");                     \
  fprintf(log_file, args);                                                     \
  fprintf(log_file, "\n\33[0m");                                               \
  fflush(log_file);

int is_first_log_file_open = 1;
FILE *get_log_file() {
  FILE *log_file;

  if (is_first_log_file_open) {
    is_first_log_file_open = 0;
    log_file = fopen("plugin.txt", "w");
  } else {
    log_file = fopen("plugin.txt", "wa");
  }

  if (log_file == NULL) {
    printf("Error opening file!\n");
    exit(1);
  }

  return log_file;
}

void handle_error() {
  FILE *log_file = get_log_file();
  eprintln("GOT an error");

  int error_length = last_error_length();
  char *error = malloc(error_length);
  last_error_message(error, error_length);
  eprintln("Encountered error: %s", error);
  free(error);
}

void set_normal_mode() {
  if (!trinitrix.api.ui.set_mode(Normal))
    handle_error();
}
void set_command_mode() {
  if (!trinitrix.api.ui.set_mode(Command))
    handle_error();
}
void set_insert_mode() {
  if (!trinitrix.api.ui.set_mode(Insert))
    handle_error();
}
void print_hi() {
  if (!trinitrix.api.raw.raise_error("hi!"))
    handle_error();
}
void print_warning() {
  if (!trinitrix.api.raw.raise_error(
          "To exit trinitrix use 'trinitrix.api.exit()' instead!"))
    handle_error();
}

int plugin_main() {
  FILE *log_file = get_log_file();

  println("Hi, setting first keymap!");
  if (!trinitrix.api.keymaps.add("ci", "<ESC>", set_normal_mode))
    handle_error();
  println("Done setting that keymap");

  if (!trinitrix.api.keymaps.add("n", ":", set_command_mode))
    handle_error();

  trinitrix.api.keymaps.add("n", "i", set_insert_mode);
  trinitrix.api.keymaps.add("n", "<TAB>", trinitrix.api.ui.cycle_planes);

  // a simple test to prove that key chords work
  trinitrix.api.keymaps.add("ni", "jj", print_hi);

  trinitrix.api.keymaps.add("n", "q", trinitrix.api.exit);

  // Help people
  trinitrix.api.keymaps.add("n", "<C-c>", print_warning);

  // workaround to avoid c de-allocating our nice strings
  while (1) {
  };

  return EXIT_SUCCESS;
}