#include <stdio.h>
#define NOB_IMPLEMENTATION
#define NOB_STRIP_PREFIX
#include "nob.h"

#define BUILD_FOLDER "build/"
#define SRC_FOLDER "src/"

#define len NOB_ARRAY_LEN

const char *sources[] = {
    "comp",          "wayland",
    "glfw",          "vulkan",
    "kitty",         "string",
    "gpu_allocator", "hashmap",
    "util",          "io",
    "matrix",        "paw_da",
    "image",         "types",
    "paw_allocator", "paw_log",
    "paw_object",    "register",
    "lang/ast",      "lang/vstack",
    "lang/ast_disc", "lang/functable",
    "lang/glue",     "Wayland/xdg-shell-protocol",
};
const char *cflags[] = {"-g",          "-rdynamic", "-lm",   "-lwayland-client",
                        "-lxkbcommon", "-lvulkan",  "-lglfw"};

bool discover_build() {
  Nob_File_Paths src_paths = {0};
  if (!read_entire_dir(SRC_FOLDER, &src_paths)) {
    exit(1);
  }

  for (int i = 0; i < src_paths.count; i++) {
    if (*src_paths.items[i] == '.') {
      continue;
    }
    char *path = temp_sprintf("%s%s", SRC_FOLDER, src_paths.items[i]);
    printf("%s\n", path);
    switch (get_file_type(path)) {
    case NOB_FILE_REGULAR:
      break;
    case NOB_FILE_DIRECTORY:;
      if (!mkdir_if_not_exists(
              temp_sprintf("%s%s", BUILD_FOLDER, src_paths.items[i]))) {
        return 1;
      }
      break;
    case NOB_FILE_SYMLINK:
      nob_log(ERROR, "symlink");
      exit(1);
    case NOB_FILE_OTHER:
      nob_log(ERROR, "other");
      return 1;
    }
  }
}

int main(int argc, char **argv) {
  NOB_GO_REBUILD_URSELF(argc, argv);

  /* if (!discover_build()) { */
  /*   return 1; */
  /* } */
  /* return 0; */

  if (!mkdir_if_not_exists(BUILD_FOLDER)) {
    return 1;
  }

  if (!mkdir_if_not_exists(BUILD_FOLDER "lang/")) {
    return 1;
  }
  if (!mkdir_if_not_exists(BUILD_FOLDER "Wayland/")) {
    return 1;
  }

  Procs procs = {0};
  Cmd cmd = {0};

  for (int i = 0; i < len(sources); i++) {
    cmd_append(&cmd, "cc", "-c");
    for (int j = 0; j < len(cflags); j++) {
      cmd_append(&cmd, cflags[j]);
    }
    cmd_append(&cmd, "-o",
               temp_sprintf("%s%s%s", BUILD_FOLDER, sources[i], ".o"),
               temp_sprintf("%s%s%s", SRC_FOLDER, sources[i], ".c"));
    da_append(&procs, cmd_run_async_and_reset(&cmd));
  }

  if (!procs_wait_and_reset(&procs)) {
    return 1;
  }

  cmd_append(&cmd, "cc");
  for (int j = 0; j < len(cflags); j++) {
    cmd_append(&cmd, cflags[j]);
  }
  cmd_append(&cmd, "-o", BUILD_FOLDER "main", "main.c");
  for (int i = 0; i < len(sources); i++) {
    cmd_append(&cmd, temp_sprintf("%s%s%s", BUILD_FOLDER, sources[i], ".o"));
  }
  cmd_run_sync_and_reset(&cmd);

  return 0;
}