/* 
*  BSD 2-Clause “Simplified” License
*  Copyright (c) 2019, Aldrik Ramaekers, aldrik.ramaekers@protonmail.com
*  All rights reserved.
*/

void reset_status_text();
void set_status_text_to_finished_search();

void settings_page_create()
{
	global_settings_page.active = false;
	global_settings_page.font_small = assets_load_font(_binary____data_fonts_mono_ttf_start,
													   _binary____data_fonts_mono_ttf_end, 16);
	global_settings_page.logo_img = assets_load_image(_binary____data_imgs_logo_64_png_start,
													  _binary____data_imgs_logo_64_png_end, true);
	global_settings_page.keyboard = keyboard_input_create();
	global_settings_page.mouse = mouse_input_create();
    
	camera cam;
	cam.x = 0;
	cam.y = 0;
	cam.rotation = 0;
	
	global_settings_page.camera = cam;
    
	global_settings_page.btn_close = ui_create_button();
	global_settings_page.btn_save = ui_create_button();
	global_settings_page.dropdown_language = ui_create_dropdown();
	global_settings_page.dropdown_doubleclick = ui_create_dropdown();
	global_settings_page.textbox_max_file_size = ui_create_textbox(9);
	global_settings_page.textbox_max_thread_count = ui_create_textbox(5);
	global_settings_page.checkbox_parallelize_search = ui_create_checkbox(false);
}

static void load_current_settings_into_ui()
{
	if (global_settings_page.max_thread_count != 0)
		snprintf(global_settings_page.textbox_max_thread_count.buffer, global_settings_page.textbox_max_thread_count.max_len, "%d",global_settings_page.max_thread_count);
	
	if (global_settings_page.max_file_size != 0)
		snprintf(global_settings_page.textbox_max_file_size.buffer, global_settings_page.textbox_max_file_size.max_len, "%d", global_settings_page.max_file_size);
}

void settings_page_update_render()
{
	if (global_settings_page.active)
	{
		platform_window_make_current(&global_settings_page.window);
		platform_handle_events(&global_settings_page.window, &global_settings_page.mouse, &global_settings_page.keyboard);
		platform_set_cursor(&global_settings_page.window, CURSOR_DEFAULT);
		
		render_clear();
		
        camera_apply_transformations(&global_settings_page.window, &global_settings_page.camera);
        
		global_ui_context.layout.active_window = &global_settings_page.window;
		global_ui_context.keyboard = &global_settings_page.keyboard;
		global_ui_context.mouse = &global_settings_page.mouse;
		
		ui_begin(3);
		{
			ui_begin_menu_bar();
			{
				if (ui_push_menu(localize("general")))
				{
					global_settings_page.selected_tab_index = 0;
				}
				if (ui_push_menu(localize("interface")))
				{
					global_settings_page.selected_tab_index = 1;
				}
			}
			ui_end_menu_bar();
			
			ui_push_separator();
			
			if (global_settings_page.selected_tab_index == 0)
			{
				/////////////////////////////////////
				// max file size
				/////////////////////////////////////
				ui_block_begin(LAYOUT_HORIZONTAL);
				{
					ui_push_text(localize("max_file_size"));
					ui_push_text(localize("zero_for_no_limit"));
				}
				ui_block_end();
				ui_block_begin(LAYOUT_HORIZONTAL);
				{
					if (ui_push_textbox(&global_settings_page.textbox_max_file_size, "0"))
					{
						keyboard_set_input_mode(&global_settings_page.keyboard, INPUT_NUMERIC);
					}
					ui_push_text("KB");
				}
				ui_block_end();
				
				/////////////////////////////////////
				// max threads
				/////////////////////////////////////
				global_ui_context.layout.offset_y += 10;
				
				ui_block_begin(LAYOUT_HORIZONTAL);
				{
					ui_push_text(localize("max_threads"));
					ui_push_text(localize("minimum_of_1"));
				}
				ui_block_end();
				ui_block_begin(LAYOUT_HORIZONTAL);
				{
					if (ui_push_textbox(&global_settings_page.textbox_max_thread_count, "0"))
					{
						keyboard_set_input_mode(&global_settings_page.keyboard, INPUT_NUMERIC);
					}
					ui_push_text("Threads");
					
				}
				ui_block_end();
				ui_block_begin(LAYOUT_HORIZONTAL);
				{
					if (ui_push_hypertext_link(localize("copy_config_path")))
					{
						char buffer[PATH_MAX];
						platform_set_clipboard(main_window, get_config_save_location(buffer));
					}
				}
				ui_block_end();
			}
			else if (global_settings_page.selected_tab_index == 1)
			{
				ui_block_begin(LAYOUT_HORIZONTAL);
				{
					ui_push_text(localize("language"));
				}
				ui_block_end();
				
				ui_block_begin(LAYOUT_HORIZONTAL);
				{
					if (ui_push_dropdown(&global_settings_page.dropdown_language, locale_get_name()))
					{
						for (s32 i = 0; i < global_localization.mo_files.length; i++)
						{
							mo_file *file = array_at(&global_localization.mo_files, i);
							
							if (ui_push_dropdown_item(file->icon, file->locale_full, i))
							{
								set_locale(file->locale_id);
							}
						}
					}
				}
				ui_block_end();
				
				ui_block_begin(LAYOUT_HORIZONTAL);
				{
					ui_push_text(localize("double_click_action"));
				}
				ui_block_end();
				
				ui_block_begin(LAYOUT_HORIZONTAL);
				{
					char* available_options[OPTION_RESULT+1] = {
						localize("double_click_action_1"),
						localize("double_click_action_2"),
						localize("double_click_action_3"),
						localize("double_click_action_4"),
					};
					
					if (ui_push_dropdown(&global_settings_page.dropdown_doubleclick, available_options[global_settings_page.current_double_click_selection_option]))
					{
						for (s32 i = 0; i < OPTION_RESULT+1; i++)
						{
							if (ui_push_dropdown_item(0, available_options[i], i))
							{
								global_settings_page.current_double_click_selection_option = i;
							}
						}
					}
				}
				ui_block_end();
				
#if 0
				ui_block_begin(LAYOUT_HORIZONTAL);
				{
					ui_push_text("Style");
				}
				ui_block_end();
				
				ui_block_begin(LAYOUT_HORIZONTAL);
				{
					if (ui_push_color_button("Light", global_ui_context.style.id == UI_STYLE_LIGHT, rgb(250, 250, 250)))
					{
						ui_set_style(UI_STYLE_LIGHT);
					}
					if (ui_push_color_button("Dark", global_ui_context.style.id == UI_STYLE_DARK, rgb(50, 50, 50)))
					{
						ui_set_style(UI_STYLE_DARK);
					}
				}
				ui_block_end();
#endif
			}
			
			global_ui_context.layout.offset_y = global_settings_page.window.height - 33;
			
			ui_block_begin(LAYOUT_HORIZONTAL);
			{
				if (ui_push_button(&global_settings_page.btn_close, localize("close")))
				{
					global_settings_page.textbox_max_thread_count.buffer[0] = 0; 
					global_settings_page.textbox_max_file_size.buffer[0] = 0; 
					ui_set_style(global_settings_page.current_style);
					global_settings_page.current_double_click_selection_option = global_settings_page.selected_double_click_selection_option;
					global_settings_page.active = false;
					set_locale(global_settings_page.current_locale_id);
					settings_page_hide();
					
					return;
				}
				if (ui_push_button(&global_settings_page.btn_close, localize("save")))
				{
					global_settings_page.current_style = global_ui_context.style.id;
					global_settings_page.max_thread_count = string_to_s32(global_settings_page.textbox_max_thread_count.buffer);
					if (global_settings_page.max_thread_count < 1)
						global_settings_page.max_thread_count = DEFAULT_THREAD_COUNT;
					
					global_settings_page.max_file_size = string_to_s32(global_settings_page.textbox_max_file_size.buffer);
					
					global_settings_page.textbox_max_thread_count.buffer[0] = 0; 
					global_settings_page.textbox_max_file_size.buffer[0] = 0;
					global_settings_page.selected_double_click_selection_option = global_settings_page.current_double_click_selection_option;
					
					global_settings_page.active = false;
					settings_page_hide();
					return;
				}
			}
			ui_block_end();
		}
		ui_end();
		
		if (!global_settings_page.window.is_open)
		{
			global_settings_page.active = false;
			settings_page_hide();
			return;
		}
		
		platform_window_swap_buffers(&global_settings_page.window);
	}
}

void settings_page_show()
{
	if (platform_window_is_valid(&global_settings_page.window)) return;
	
	load_current_settings_into_ui();
	
	global_settings_page.window = platform_open_window(localize("text_search_settings"), 
													   450, 280, 450, 280, 450, 280);
	
	settings_window = &global_settings_page.window;
	
	global_settings_page.active = true;
	global_settings_page.selected_tab_index = 0;
	global_settings_page.current_locale_id = locale_get_id();
	global_settings_page.current_double_click_selection_option = global_settings_page.selected_double_click_selection_option;
	
	platform_set_icon(&global_settings_page.window, global_settings_page.logo_img);
}

void settings_page_hide()
{
	if (platform_window_is_valid(&global_settings_page.window))
	{
		settings_window = 0;
		
		platform_destroy_window(&global_settings_page.window);
		
		global_settings_page.btn_close.state = false;
		global_settings_page.btn_save.state = false;
		global_settings_page.active = false;
		
		global_settings_page.mouse.x = -1;
		global_settings_page.mouse.y = -1;
	}
}

void settings_page_hide_without_save()
{
	if (platform_window_is_valid(&global_settings_page.window))
	{
		global_settings_page.textbox_max_thread_count.buffer[0] = 0; 
		global_settings_page.textbox_max_file_size.buffer[0] = 0; 
		
		global_settings_page.active = false;
		set_locale(global_settings_page.current_locale_id);
		settings_page_hide();
	}
}

void settings_page_destroy()
{
	keyboard_input_destroy(&global_settings_page.keyboard);
	ui_destroy_textbox(&global_settings_page.textbox_max_file_size);
	ui_destroy_textbox(&global_settings_page.textbox_max_thread_count);
	assets_destroy_font(global_settings_page.font_small);
	assets_destroy_image(global_settings_page.logo_img);
	
	if (platform_window_is_valid(&global_settings_page.window))
		platform_destroy_window(&global_settings_page.window);
}