#include "PvTable.h"
#include "PvStyle.h"

static const string STYLE_BKG =
"border-width:1 1 1 1px; border-style:outset solid; border-color:rgba(180,180,180,255);"
"background-color:rgba(80,80,80,0);";

//*********************************************************************************************************************
// PvTable
PvTable::PvTable(PARAM* p, int parent, int x, int y, int w, int row, Options& opts)
	//: PvWidget(p, parent, PvRect(x, y, w, opts.item_height* row + (opts.show_header ? (opts.header_height) : 0))),
	: PvObject(p), option_(opts), nRow_(row), nCol_(0)
{
	// 计算表格的显示区域
	int h = opts.row_height* row + (opts.show_header ? (opts.head_height) : 0);
	rect_.set(x, y, w, h);
	// 表格的主窗体（QWidget设置样式无效）
	pvid_ = PvApp::widget(p, parent, x, y, w, h+1);
	// 表格的背景色和边框样式
	PvApp::label(p, pvid_, 0, 0, w, h+1, "", QSS_TABLE);

	vecHead_.resize(0);
	vecRows_.resize(nRow_);
	vecData_.resize(nRow_);

	// 创建行高亮显示背景
	for (int row = 0; row < nRow_; row++)
	{
		int y = item_posy(row);
		string qss = (row % 2 != 0) ? QSS_TABLE_ROW_0 : QSS_TABLE_ROW_1;
		int rowBkg = PvApp::label(p, pvid_, 1, y, rect_.w-2, option_.row_height, "", qss);
		pvHide(p, rowBkg);
		vecRows_[row].bkg = rowBkg;
	}
}

void PvTable::addHead(string id, string text, int width, vector<pair<string, string>> mapping)
{
	vecHead_.push_back(Head(id, text, width, mapping));
	nCol_ = vecHead_.size();

	if (width <= -1)
	{
		width = rect_.w-1 - posCol_;
	}
	int col = nCol_ - 1;

	// 创建表头的标签
	if (option_.show_header)
	{
		vecHead_[col].pvid = PvApp::label(p, pvid_, posCol_, 0, width, option_.head_height, text, QSS_TABLE_HEAD);
	}

	// 创建列的单元格
	for (int row = 0; row < nRow_; ++row)
	{
		int y = item_posy(row);
		int pvid = PvApp::label(p, pvid_, posCol_, y, width, option_.row_height, "", QSS_TABLE_CELL);
		vecRows_[row].vecCells.push_back(pvid);
		PvApp::bind(p, MOUSE_OVER_EVENT, pvid, [=](string s) { highlight(row, (s == "1")); });
	}
	posCol_ += width;
}

void PvTable::addHead(vector<string> vec_text)
{
	int colSize = vec_text.size();
	int x = 0;
	for (int i = 0; i < vec_text.size(); ++i)
	{
		int w = float(rect_.w-1) * float(i+1) / float(colSize);
		string text = vec_text[i];
		this->addHead(text, text, w-x);
		x = w;
	}
}

void PvTable::setRowVisible(int row, bool v)
{
	if (row < 0 || row >= vecRows_.size())
	{
		return;
	}
	auto& rowItem = vecRows_[row];
	if (rowItem.visible != v)
	{
		rowItem.visible = v;
		rowItem.visible ? pvShow(p, rowItem.bkg) : pvHide(p, rowItem.bkg);
		if (!v)
		{
			for (int col = 0; col<rowItem.vecCells.size(); ++col)
			{
				pvSetText(p, rowItem.vecCells[col], "");
			}
		}
	}
}

void PvTable::highlight(int row, bool v)
{
	string qss = ((row % 2 != 0) ? QSS_TABLE_ROW_0 : QSS_TABLE_ROW_1);
	if (vecRows_.size() > 0 && row <= vecRows_.size())
	{
		if (v) { qss = "background-color:rgba(14,45,60,200);border:1px solid rgba(255,0,0,100);"; }
		pvSetStyleSheet(p, vecRows_[row].bkg, qss.c_str());
	}
}

void PvTable::addOperate(vector<string> vecOpt)
{
	// 创建表头的标签
	if (option_.show_header)
	{
		PvApp::label(p, pvid_, posCol_, 0, rect_.w - posCol_, option_.head_height, "操作", QSS_TABLE_HEAD);
	}
	for (int row = 0; row < nRow_; ++row)
	{
		int y = item_posy(row);
		int btn_opt = PvApp::label(p, pvid_, posCol_, y, rect_.w - posCol_, option_.row_height, "", QSS_TABLE_CELL);
		//PvInstance::bind_event(p, MOUSE_OVER_EVENT, btn_opt, [=](string s) { highlight(row, (s == "1")); });
		vecOpt_.push_back({ btn_opt, vector<int>() });
		auto& vec_opt_btn_ = vecOpt_.back().second;

		int x = 5, w = 60;
		for (int i = 0; i < vecOpt.size(); i++)
		{
			auto& title = vecOpt[i];
			w = 20 + 15 * title.size() / 3;
			int btn = PvApp::button(p, btn_opt, x, 4, w, 24, title, QSS_TABLE_BTN_VIEW);
			PvApp::bind(p, PvEvent::BUTTON_EVENT, btn, [=](std::string) {
				if (cbOperate_) { cbOperate_(row, 0, title); }
			});
			vec_opt_btn_.push_back(btn);
			x += (w + 5);
		}
		pvHide(p, btn_opt);
	}
}

void PvTable::setOperateCallback(CallbackTableOpt cb)
{
	cbOperate_ = cb;
};

void PvTable::set_text(PARAM* p, int row, int col, string text, string style)
{
	if (row < nRow_ && col < nCol_)
	{
		pvSetText(p, vecRows_[row].vecCells[col], text.c_str());
		if (!style.empty())
		{
			int idx = row + 1;
			if (idx % 2 != 0)
			{
				style = item_base_style_ + style;
			}
			else
			{
				style = item_base_style_ + style;
			}

			//style = "qproperty-alignment:AlignCenter;" + style + "}";
			string s = "QLabel{" + style + "} QLabel:disabled{color:rgb(150,150,150)}";
			pvSetStyleSheet(p, vecRows_[row].vecCells[col], s.c_str());
		}
	}
}

void PvTable::setRowData(int row, DataFields& d)
{
	if (row >= nRow_) { return; }

	vecData_[row] = d;
	for (int col = 0; col < vecHead_.size(); ++col)
	{
		auto& head = vecHead_[col];
		string text = d.getStr(head.id);
		text = head.getMapping(text);
		pvSetText(p, vecRows_[row].vecCells[col], text.c_str());
	}
	setRowVisible(row, true);
	this->setOperateVisible(row, d.size() > 0);
}

void PvTable::setRowData(int row, std::vector<std::string> vd)
{
	if (row >= nRow_) { return; }
	pvShow(p, vecRows_[row].bkg);
	for (int col = 0; col < vecHead_.size(); ++col)
	{
		if (col < vd.size()) { 
			auto& head = vecHead_[col];
			string text = head.getMapping(vd[col]);
			pvSetText(p, vecRows_[row].vecCells[col], text.c_str());
		}
	}
	setRowVisible(row, true);
	this->setOperateVisible(row, vd.size() > 0);
}

DataFields& PvTable::getRowdata(int row)
{
	static DataFields tmp;
	return (row >= 0 && row < vecData_.size()) ? vecData_[row] : tmp;
}

void PvTable::set_border_visible(PARAM* p, bool v)
{
	v ? pvShow(p, border_id_) : pvHide(p, border_id_);
}

int PvTable::item_posy(int row)
{
	return option_.show_header ? row * option_.row_height + option_.head_height : row * option_.row_height;
}

//void PvTable::set_item_btn_callback(CallbackTableOpt cb)
//{
//	//cb_opt_ = cb;
//}

void PvTable::add_col_button(PARAM* p, int col, string title, PvRect& rt, string style)
{
	if (col >= nCol_)
	{
		return;
	}
	for (int row = 0; row < nRow_; ++row)
	{
		int id = PvApp::button(p, vecRows_[row].vecCells[col], rt.x, rt.y, rt.w, rt.h, title, style);
		pvHide(p, id);
		vec_col_item_btn_[row].push_back(id);
		//PvInstance::bind_event(p, PvEvent::BUTTON_EVENT, id, [=](string s)
		//{
		//	if (cb_operate_)
		//	{
		//		cb_operate_(row, col, title);
		//	}
		//});
	}
}

string GetTableItemButtonStyle(string title)
{
	static unordered_map<string, string> map_style = 
	{
		//{PV::OPT_NEW, PvStyle::BTN_NEW},
		//{PV::OPT_EDIT, PvStyle::BTN_EDIT},
		//{PV::OPT_DEL, PvStyle::BTN_DELETE}
	};
	string style = map_style[title];
	if (style.empty())
	{
		style = BTN_EDIT;
	}
	return style;
}

void PvTable::add_col_button(PARAM* p, int col, vector<string> vec_title)
{
	int x = 5;
	int w = 0;
	for (int i = 0; i < vec_title.size(); i++)
	{
		auto& title = vec_title[i];
		w = 20 + 20 * title.size() / 3;
		this->add_col_button(p, col, title, PvRect(x, 3, w, 28), BTN_EDIT);
		x += (w + 5);
	}
}

void PvTable::setOperateVisible(int row, bool v, int id)
{
	if (row < vecOpt_.size())
	{
		auto& vec_opt_btn = vecOpt_[row].second;
		int pvid = id < 0 ? vecOpt_[row].first : ((id < vec_opt_btn.size()) ? vec_opt_btn[id] : PV_ID_NUL);
		v ? pvShow(p, pvid) : pvHide(p, pvid);
	}
}

int PvTable::border_id()
{
	return border_id_;
}

int PvTable::rows()
{
	return nRow_;
}
int PvTable::colums()
{
	return nCol_;
}

vector<DataFields> PvTable::data()
{
	return vecData_;
}

PvTable::Head& PvTable::header(int col)
{
	return vecHead_[col];
}





static const string STYLE_NORMAL =
"QPushButton{background-color:rgba(255,255,255,30);border-radius:0px;font:bold 16px;color:white;border:1px solid #20a481;}"
"QPushButton:hover{background-color:rgba(32,164,128,255);color:white;}"
"QPushButton:pressed{border-width:3px 0 0 3px;border-style:inset;color:white;}";

static const string STYLE_ACTIVE =
"QPushButton{background-color:rgba(32,164,128,255);border-radius:0px;font:bold 16px;color:white;border:1px solid #20a481;}"
"QPushButton:hover{background-color:rgba(32,164,128,255);color:white;}"
"QPushButton:pressed{border-width:3px 0 0 3px;border-style:inset;color:white;}";


PvPagination::PvPagination(PARAM* p, int parent, const PvRect& rt)
	: PvObject(p)
{
	pvid_ = PvApp::label(p, parent, rt.x, rt.y, rt.w, rt.h, "", "");
	// 分页控件
	int x = 0;
	int y = 0;
	btn_prev_ = PvApp::button(p, pvid_, x, y, 30, 30, "<", STYLE_NORMAL);
	for (int i = 1; i <= 7; i++)
	{
		int id = PvApp::button(p, pvid_, x += 32, y, 30, 30, std::to_string(i), STYLE_NORMAL);
		vec_btn_page_.push_back({id, 0});
		//PvInstance::bind_event(p, PvEvent::BUTTON_EVENT, id, [=](string s) { this->on_click_page(id); });
	}
	btn_next_ = PvApp::button(p, pvid_, x += 32, y, 30, 30, ">", STYLE_NORMAL);

	//PvInstance::bind_event(p, PvEvent::BUTTON_EVENT, btn_prev_, [=](string e) { this->on_click_prev(); });
	//PvInstance::bind_event(p, PvEvent::BUTTON_EVENT, btn_next_, [=](string e) { this->on_click_next(); });

	this->set_page(0, 0);
}

void PvPagination::set_page(int page_id, int max_page)
{
	this->active_page_button(p, page_id, page_id_);

	page_id_ = page_id;
	page_count_ = max_page;

	int x = 32;
	int y = 0;// table_->rect().h + 16;
	for (int i = 0; i < vec_btn_page_.size(); ++i)
	{
		auto& btn_info = vec_btn_page_[i];
		auto btnid = btn_info.first;
		int idx = i + 1;
		if (idx > page_count_)
		{
			pvHide(p, btnid);
		}
		else
		{
			pvShow(p, btnid);
			if (page_count_ > 7)
			{
				if (idx == 4)
				{
					idx = 0;
				}
				else if (idx > 4)
				{
					idx = page_count_ - (7 - idx);
				}
			}
			btn_info.second = idx;

			string text = to_string(idx);
			if (text.empty() || text == "0")
			{
				text = "...";
				pvSetEnabled(p, btnid, false);
			}
			pvMove(p, btnid, x, y);
			pvSetText(p, btnid, text.c_str());
			if (page_id == idx)
			{
				this->active_page_button(p, page_id, page_id_);
				page_id_ = page_id;
			}
			x += (32);
		}
	}
	pvMove(p, btn_next_, x, y);
}

int PvPagination::pageid()
{
	return page_id_;
};

void PvPagination::active_page_button(PARAM* p, int new_pageid, int old_pageid)
{
	for (int i = 0; i < vec_btn_page_.size(); i++)
	{
		auto& item = vec_btn_page_[i];
		if (item.second != 0)
		{
			if (item.second == old_pageid)
			{
				pvSetStyleSheet(p, item.first, STYLE_NORMAL.c_str());
			}
			if (item.second == new_pageid)
			{
				pvSetStyleSheet(p, item.first, STYLE_ACTIVE.c_str());
			}
		}
	}
}

void PvPagination::set_goto_page_callback(std::function<void(int pageidx)> cb)
{
	cb_goto_ = cb;
}

void PvPagination::on_click_page(int btnid)
{
	for (int i = 0; i < vec_btn_page_.size(); ++i)
	{
		auto& item = vec_btn_page_[i];
		if (btnid == item.first)
		{
			int page_id = item.second;
			if (cb_goto_) { cb_goto_(page_id); }
			return;
		}
	}
}

void PvPagination::on_click_prev()
{
	if (page_id_ <= 1)
	{
		return;
	}
	if (cb_goto_)
	{
		cb_goto_(page_id_ - 1);
	}
}

void PvPagination::on_click_next()
{
	if (page_id_ >= page_count_)
	{
		return;
	}
	if (cb_goto_)
	{
		cb_goto_(page_id_ + 1);
	}
}


PvPageTable::PvPageTable(PARAM* p, int parent, int x, int y, int w, int rows, PvTable::Options& opts)
//: PvWidget(p, parent, PvRect(x, y, w, opts.item_height* rows + (opts.show_header ? (opts.header_height) : 0)))
	: PvObject(p)
{
	int h = opts.row_height* rows + (opts.show_header ? (opts.head_height) : 0);
	int pvid_ = PvApp::widget(p, parent, x, y, w, h);
	table_ = make_shared<PvTable>(p, pvid_, 0, 0, w, rows, opts);
}

shared_ptr<PvTable> PvPageTable::getTable()
{
	return table_;
}