#pragma once

#include "head.h"

class UIGui : public UI::Scene
{
public:
	UIGui() :
		_bars{},
		_progressAnim{ 0.0f }
	{
		_coor = Coor::Create();

		// 单独使用
		{
			_lbxMain = g_ui->CreateListBoxDefault();
			_lbxMain->SetItemCallback([](UI::Panel* item, Value v) {
				UI::ButtonSprite* btn_spr = item->ExGetButtonSprite();
				if (!v)
					btn_spr->SetElementDataRunAble(false);
				else
				{
					btn_spr->SetElementDataRunAble(true);
					btn_spr->SetString(v.ToString());
				}
				});
			_lbxMain->SetScrollK(1);
			std::vector<std::string> vec_str;
			vec_str.push_back("精灵按钮");
			vec_str.push_back("文本按钮");
			vec_str.push_back("缩放按钮");
			vec_str.push_back("列表框");
			vec_str.push_back("输入框");
			vec_str.push_back("树");
			vec_str.push_back("菜单");
			vec_str.push_back("进度条");
			_lbxMain->SetItemData(vec_str);
		}

		{
			unsigned l = 60;
			gcSprite spr0 = g_factory->CreateSprite("gamepad_a", 0);
			spr0->SetQuad(createQuad(Size{ l, l }, true));
			gcSprite spr1 = g_factory->CreateSprite("gamepad_a", 1);
			spr1->SetQuad(createQuad(Size{ l, l }, true));
			gcSprite spr2 = g_factory->CreateSprite("gamepad_a", 2);
			spr2->SetQuad(createQuad(Size{ l, l }, true));

			_btnSprite = UI::ButtonSprite::Create({
				spr0, spr1, spr2 });
			//_btnSprite->SetString("panda");
		}
		{
			_btnText = UI::ButtonTextColor::Create(
				g_factory->CreateText(0, 32), {}, {});
			_btnText->SetString("button");
		}
		{
			UI::Panel* panel = g_ui->CreatePanel();
			panel->SetPickupMode(UI::Panel::PickupMode::E_ELEMENT);
			panel->SetLocator(createLocatorZero());

			gcSprite spr = g_factory->CreateSprite("panda");
			UI::Sprite* ui_spr = UI::Sprite::Create(spr);
			ui_spr->SetMode(UI::Sprite::AutoSize::NONE, UI::Sprite::FillMode::RATIO_MOVIE);
			ui_spr->SetSize({ 200,200 });
			ui_spr->SetElementData(Align::CC);
			panel->Add(ui_spr);
			UI::Text* ui_txt = g_ui->CreateTextDefault();
			ui_txt->SetString("panda");
			ui_txt->SetElementData(Align::CC);
			panel->Add(ui_txt);

			_btnScale = UI::ButtonScale::Create(panel);
		}

		{
			_lbx = g_ui->CreateListBoxDefault();
			_lbx->SetItemCallback([](UI::Panel* item, Value v) {
				UI::ButtonSprite* btn_spr = item->ExGetButtonSprite();
				if (!v)
					btn_spr->SetElementDataRunAble(false);
				else
				{
					btn_spr->SetElementDataRunAble(true);
					btn_spr->SetString(v.ToString());
				}
				});
			_lbx->SetScrollK(1);
			static std::vector<std::string> vec_str;
			for (std::size_t i = 0; i < 20; ++i)
			{
				vec_str.push_back(fmt::format("lbx________{}", i));
			}
			_lbx->SetItemData(vec_str);
		}
		{
			_edt = g_ui->CreateEditBoxDefault(false);
			_edt->GetText()->SetFontSize(8);
			_edt->SetString("ASCII 由电报码发展而来。第一版标准发布于1963年 ，1967年经历了一次主要修订[5][6]，最后一次更新则是在1986年，至今为止共定义了128个字符；其中33个字符无法显示（一些终端提供了扩展，使得这些字符可显示为诸如笑脸、扑克牌花式等8-bit符号），且这33个字符多数都已是陈废的控制字符。控制字符的用途主要是用来操控已经处理过的文字。在33个字符之外的是95个可显示的字符。用键盘敲下空白键所产生的空白字符也算1个可显示字符（显示为空白）。");
		}
		{
			_tree = g_ui->CreateTreeDefault();
			NTree<std::string> tree;
			tree.Add("真兽亚纲", {});

			tree.Add("灵长目", "真兽亚纲");
			tree.Add("猴科", "灵长目");
			tree.Add("人科", "灵长目");
			tree.Add("大猩猩", "人科");

			tree.Add("食肉目", "真兽亚纲");
			tree.Add("犬科", "食肉目");
			tree.Add("拉布拉多", "犬科");
			tree.Add("猫科", "食肉目");
			tree.Add("熊科", "食肉目");

			tree.Add("偶蹄目", "真兽亚纲");
			tree.Add("猪科", "偶蹄目");
			tree.Add("鹿科", "偶蹄目");
			tree.Add("牛科", "偶蹄目");


			UI::Tree::CbSetContent<std::string> cb = [](UI::Panel* p, const std::string& str) {
				p->ExGetButtonSprite()->SetString(str);
				};
			_tree->Refresh(tree, cb);
		}
		{
			_menu = g_ui->CreateMenuDefault();
			UI::MenuData data;
			{
				UI::MenuTop& top = data.AddTop();
				top.SetString("文件");
			}
			{
				UI::MenuTop& top = data.AddTop();
				top.SetString("编辑");
			}
			{
				UI::MenuTop& top = data.AddTop();
				top.SetString("视图");
			}
			{
				UI::MenuTop& top = data.AddTop();
				top.SetString("关于");
			}
			_menu->Refresh(data);
		}
		{
			// 4 个方向的进度条，文本通过 _fmt 显示方向（f 格式避免科学计数法）
			auto make_bar = [](Align::Dir4 dir, const Position& size, std::string_view fmt)
			{
				UI::ProgressBar* bar = g_ui->CreateProgressBarDefault();
				bar->SetSize(size);
				bar->SetMidRect(createRectF(Position{1, 1}, size - Position{3, 3}));
				bar->SetDir(dir);
				bar->SetStringFormat(fmt);
				return bar;
			};

			// 默认进度条（默认工厂创建，方向为 RIGHT）
			_bars[0] = make_bar(Align::Dir4::RIGHT,   { 200, 24 }, "右 {:.1f}%");
			_bars[1] = make_bar(Align::Dir4::LEFT,   { 150, 12 }, "左 {:.1f}%");
			_bars[2] = make_bar(Align::Dir4::BOTTOM, { 24, 160 }, "下 {:.2f}%");
			_bars[3] = make_bar(Align::Dir4::TOP,    { 12, 120 }, "上 {:.0f}%");
		}
		_lbxMain->GetCoor()->SetParent(_coor);
		_lbxMain->GetCoor()->SetPosition({ 0, 0 });

		Position offset{ 200,0 };
		_btnSprite->GetCoor()->SetParent(_coor);
		_btnSprite->GetCoor()->SetPosition(offset);
		_btnText->GetCoor()->SetParent(_coor);
		_btnText->GetCoor()->SetPosition(offset);
		_btnScale->GetCoor()->SetParent(_coor);
		_btnScale->GetCoor()->SetPosition(offset);

		_lbx->GetCoor()->SetParent(_coor);
		_lbx->GetCoor()->SetPosition(offset);
		_edt->GetCoor()->SetParent(_coor);
		_edt->GetCoor()->SetPosition(offset);
		_tree->GetCoor()->SetParent(_coor);
		_tree->GetCoor()->SetPosition(offset);
		_menu->GetCoor()->SetParent(_coor);
		_menu->GetCoor()->SetPosition(offset);
		_bars[0]->GetCoor()->SetParent(_coor);
		_bars[0]->GetCoor()->SetPosition({ 200, 0 });
		_bars[1]->GetCoor()->SetParent(_coor);
		_bars[1]->GetCoor()->SetPosition({ 200, 40 });
		_bars[2]->GetCoor()->SetParent(_coor);
		_bars[2]->GetCoor()->SetPosition({ 200, 80 });
		_bars[3]->GetCoor()->SetParent(_coor);
		_bars[3]->GetCoor()->SetPosition({ 250, 80 });
	}

	virtual void Update() override
	{
		_coor->SetPosition(POS_CONTENT * g_ui->GetScale());
		_coor->SetScale(g_ui->GetScale());

		// 进度循环播放（始终推进，4 个方向错开相位）
		_progressAnim += (float)g_time->GetDelta() * 0.1f;
		if (_progressAnim >= 1.0f)
			_progressAnim -= 1.0f;
		for (std::size_t i = 0; i < _bars.size(); ++i)
		{
			float p = _progressAnim + (float)i * 0.05f;
			if (p >= 1.0f)
				p -= 1.0f;
			_bars[i]->SetProgress(p);
		}

		_lbxMain->Update();
		std::string str = _lbxMain->GetSelect().GetString(false);
		if (str == "精灵按钮")
			_btnSprite->Update();
		else if (str == "文本按钮")
			_btnText->Update();
		else if (str == "缩放按钮")
			_btnScale->Update();
		else if (str == "列表框")
			_lbx->Update();
		else if (str == "输入框")
			_edt->Update();
		else if (str == "树")
			_tree->Update();
		else if (str == "菜单")
			_menu->Update();
		else if (str == "进度条")
			for (auto* bar : _bars)
				bar->Update();
	}
	virtual void Render() override
	{
		_lbxMain->Render();
		std::string str = _lbxMain->GetSelect().GetString(false);
		if (str == "精灵按钮")
			_btnSprite->Render();
		else if (str == "文本按钮")
			_btnText->Render();
		else if (str == "缩放按钮")
			_btnScale->Render();
		else if (str == "列表框")
			_lbx->Render();
		else if (str == "输入框")
			_edt->Render();
		else if (str == "树")
			_tree->Render();
		else if (str == "菜单")
			_menu->Render();
		else if (str == "进度条")
			for (auto* bar : _bars)
				bar->Render();
	}

	~UIGui()
	{
		for (auto* bar : _bars)
			delete bar;
		delete _menu;
		delete _btnSprite;
		delete _btnText;
		delete _btnScale;
		delete _tree;
		delete _edt;
		delete _lbx;
		delete _lbxMain;
		delete _coor;
	}
private:
	//! 不使用panel，单独使用
	Coor* _coor;

	UI::ListBox* _lbxMain;

	UI::ButtonSprite* _btnSprite;
	UI::ButtonTextColor* _btnText;
	UI::ButtonScale* _btnScale;
	UI::ListBox* _lbx;
	UI::EditBox* _edt;
	UI::Tree* _tree;
	UI::Menu* _menu;
	std::array<UI::ProgressBar*, 4> _bars;
	float _progressAnim;
};