function void
byp_build_view_spin(Application_Links *app){
  for (;;){
    User_Input input = get_next_input(app, EventPropertyGroup_Any, 0);
    if(input.abort){ break; }

    View_ID view_active = get_active_view(app, Access_Always);
    View_ID view_next   = get_view_next(app, view_active, Access_Always);
    if (view_active == build_footer_panel_view_id){
      if (view_next != 0){
        view_set_active(app, view_next);
      }
      else{
        open_panel_vsplit(app);
        default_4coder_one_panel(app, buffer_identifier(string_u8_litexpr("*scratch*")));
      }
    }

    view_set_split_pixel_size(app, build_footer_panel_view_id, 0);
  }
}

function View_ID
byp_get_or_open_build_panel(Application_Links *app){
  if(build_footer_panel_view_id == 0){
    View_ID view = get_or_open_build_panel(app);
    build_footer_panel_view_id = view;
    View_Context ctx = view_current_context(app, view);
    ctx.render_caller = 0;
    view_set_split_pixel_size(app, view, 0);
    view_set_passive(app, view, true);
    view_alter_context(app, view, &ctx);
    view_enqueue_command_function(app, view, byp_build_view_spin);
  }
  return build_footer_panel_view_id;
}

function void
byp_prj_exec_command(Application_Links *app, Arena *scratch, Variable_Handle cmd_var){
  String_ID os_id = vars_save_string_lit(OS_NAME);

  String8 cmd = vars_string_from_var(scratch, vars_read_key(cmd_var, os_id));
  if (cmd.size > 0){
    String_ID out_id = vars_save_string_lit("out");
    String_ID footer_panel_id = vars_save_string_lit("footer_panel");
    String_ID save_dirty_files_id = vars_save_string_lit("save_dirty_files");
    String_ID cursor_at_end_id = vars_save_string_lit("cursor_at_end");

    b32 save_dirty_files = vars_b32_from_var(vars_read_key(cmd_var, save_dirty_files_id));
    if (save_dirty_files){
      save_all_dirty_buffers(app);
    }

    u32 flags = CLI_OverlapWithConflict|CLI_SendEndSignal;
    b32 cursor_at_end = vars_b32_from_var(vars_read_key(cmd_var, cursor_at_end_id));
    if (cursor_at_end){
      flags |= CLI_CursorAtEnd;
    }

    View_ID view = 0;
    Buffer_Identifier buffer_id = {};
    String8 out = vars_string_from_var(scratch, vars_read_key(cmd_var, out_id));
    if(out.size > 0){
      buffer_id = buffer_identifier(out);

      b32 footer_panel = vars_b32_from_var(vars_read_key(cmd_var, footer_panel_id));
      if(footer_panel){
        view = byp_get_or_open_build_panel(app);

        vim_show_buffer_peek = false;
        vim_toggle_show_buffer_peek(app);
        vim_buffer_peek_index = 0;
        buffer_id = vim_buffer_peek_list[0].buffer_id;
        vim_buffer_peek_list[0] = {buffer_id, 1.f, 1.f};
        //view_set_buffer(app, view, buffer_identifier_to_id(app, buffer_id), 0);
      }
      else{
        Buffer_ID buffer = buffer_identifier_to_id(app, buffer_id);
        view = get_first_view_with_buffer(app, buffer);
        if (view == 0){
          view = get_active_view(app, Access_Always);
        }
      }
    }
    else{
      // TODO(allen): fix the exec_system_command call so it can take a null buffer_id.
      buffer_id = buffer_identifier(string_u8_litexpr("*dump*"));
    }

    Variable_Handle command_list_var = vars_parent(cmd_var);
    Variable_Handle prj_var = vars_parent(command_list_var);
    String8 prj_dir = prj_path_from_project(scratch, prj_var);
    exec_system_command(app, view, buffer_id, prj_dir, cmd, flags);

    block_zero_struct(&prev_location);
    //lock_jump_buffer(app, string_u8_litexpr("*compilation*"));
    lock_jump_buffer(app, out);
  }
}

function void
byp_prj_exec_command_fkey_index(Application_Links *app, i32 fkey_index){
  // setup fkey string
  Scratch_Block scratch(app);
  String8 fkey_index_str = push_stringf(scratch, "F%d", fkey_index + 1);
  String_ID fkey_index_id = vars_save_string(fkey_index_str);

  // get command variable
  Variable_Handle cmd_name_var = vars_get_nil();

  // try user override
  {
    Variable_Handle fkey_override = def_get_config_var(vars_save_string_lit("fkey_command_override"));
    if(!vars_is_nil(fkey_override)){
      String_Const_u8 name = def_get_config_string(scratch, vars_save_string_lit("user_name"));
      String_ID user_name_id = vars_save_string(name);
      Variable_Handle user_var = vars_read_key(fkey_override, user_name_id);
      cmd_name_var = vars_read_key(user_var, fkey_index_id);
    }
  }

  // try defaults
  if(vars_is_nil(cmd_name_var)){
    Variable_Handle fkeys = def_get_config_var(vars_save_string_lit("fkey_command"));
    cmd_name_var = vars_read_key(fkeys, fkey_index_id);
  }

  String_ID cmd_id = vars_save_string(vars_string_from_var(scratch, cmd_name_var));
  Variable_Handle cmd_list = def_get_config_var(vars_save_string_lit("commands"));
  Variable_Handle cmd = vars_read_key(cmd_list, cmd_id);
  byp_prj_exec_command(app, scratch, cmd);
}


CUSTOM_COMMAND_SIG(byp_project_fkey_command)
CUSTOM_DOC("Runs project commands but uses proper footer build panel")
{
  ProfileScope(app, "project fkey command");
  User_Input input = get_current_input(app);
  b32 got_ind = false;
  i32 ind = 0;
  if(input.event.kind == InputEventKind_KeyStroke){
    if(KeyCode_F1 <= input.event.key.code && input.event.key.code <= KeyCode_F16){
      ind = (input.event.key.code - KeyCode_F1);
      got_ind = true;
    }
    else if(KeyCode_1 <= input.event.key.code && input.event.key.code <= KeyCode_9){
      ind = (input.event.key.code - '1');
      got_ind = true;
    }
    else if(input.event.key.code == KeyCode_0){
      ind = 9;
      got_ind = true;
    }
    if(got_ind){
      byp_prj_exec_command_fkey_index(app, ind);
    }
  }
}

CUSTOM_COMMAND_SIG(byp_build_project)
CUSTOM_DOC("Compiles project")
{
  View_ID view = get_active_view(app, Access_Always);
  Buffer_ID buffer = view_get_buffer(app, view, Access_Always);
  View_ID build_view = byp_get_or_open_build_panel(app);
  standard_search_and_build(app, build_view, buffer);
  block_zero_struct(&prev_location);
  lock_jump_buffer(app, string_u8_litexpr("*compilation*"));

  vim_show_buffer_peek = false;
  vim_toggle_show_buffer_peek(app);
  vim_buffer_peek_index = 0;
  vim_buffer_peek_list[0] = {standard_build_build_buffer_identifier, 1.f, 1.f};
}