#include "PvTable.h"
#include "PvStyle.h"
#include "pv/PvApp.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::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::QSS_TABLE_ROW_0 : qss::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::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::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::QSS_TABLE_ROW_0 : qss::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::QSS_TABLE_HEAD);
    }
    for (int row = 0; row < nRow_; ++row)
    {
        int y = item_posy(row);
        int cellWidget = PvApp::label(p, pvid_, posCol_, y, rect_.w - posCol_, option_.row_height, "", qss::QSS_TABLE_CELL);
        //PvInstance::bind_event(p, MOUSE_OVER_EVENT, btn_opt, [=](string s) { highlight(row, (s == "1")); });
        vecOpt_.push_back({ cellWidget, 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, cellWidget, x, 4, w, 24, title, qss::button(14, "", "", "none; border-radius: 0px"));
            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, cellWidget);
    }
}

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, Fields& d)
{
    if (row >= nRow_) { return; }

    vecData_[row] = d;
    for (int col = 0; col < vecHead_.size(); ++col)
    {
        auto& head = vecHead_[col];
        string text = d.value(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);
}

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

void PvTable::mappingData(Fields& fields)
{
    for (int i=0; i< vecHead_.size(); ++i)
    {
        auto& head = vecHead_[i];
        if (fields.hasKey(head.id))
        {
            auto& val = fields.value(head.id);
            val = head.getMapping(val);
        }
    }
}

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::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);
        //    }
        //});
    }
}

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), qss::button());
        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<Fields> 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;}"
"QPushButton:disabled { color: gray; border-color: gray; }";

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;}"
"QPushButton:disabled { color: gray; border-color: gray; }";


PvPagination::PvPagination(PARAM* p, int parent, int x, int y, int n)
    : PvObject(p)
{
    pvid = PvApp::label(p, parent, x, y, 2*32 + 80, 30, "", "border: 0px solid gray;");

    // 分页控件
    btnPrev = PvApp::button(p, pvid, 0, 0, 30, 30, "<", STYLE_NORMAL);
    for (int i = 0; i < n; i++)
    {
        int btn = PvApp::button(p, pvid, (i+1)*32, 0, 30, 30, std::to_string(i+1), STYLE_NORMAL);
        pvHide(p, btn);
        vecBtn.push_back({btn, i});
        PvApp::bind(p, PvEvent::BUTTON_EVENT, btn, [=](string) { this->activePage(i, true); });
    }
    btnNext = PvApp::button(p, pvid, 32, 0, 30, 30, ">", STYLE_NORMAL);
    labelInfo = PvApp::label(p, pvid, 2*32, 0, 80, 30, " 共0页", qss::label(14, "rgb(27, 220, 224)"));

    pvSetEnabled(p, btnPrev, 0);
    pvSetEnabled(p, btnNext, 0);
    PvApp::bind(p, PvEvent::BUTTON_EVENT, btnPrev, [=](string e) { this->activePage(--pageIndex, true); });
    PvApp::bind(p, PvEvent::BUTTON_EVENT, btnNext, [=](string e) { this->activePage(++pageIndex, true); });
}

void PvPagination::setPage(int index, int count)
{
    pageIndex = index;
    pageCount = count;

    for (int i = 0; i < vecBtn.size(); ++i)
    {
        auto& btn = vecBtn[i];
        auto btnid = btn.first;
        int idx = i + 1;
        if (idx > pageCount) 
        { 
            pvHide(p, btnid); 
        }
        else
        {
            pvShow(p, btnid);
            //if (pageCount > 7)
            //{
            //    if (idx == 4)
            //    {
            //        idx = 0;
            //    }
            //    else if (idx > 4)
            //    {
            //        idx = pageCount - (7 - idx);
            //    }
            //}
            //btn.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 (idx == idx)
            //{
            //    this->active_page_button(p, idx, pageIndex);
            //    pageIndex = idx;
            //}
            //x += (32);
        }
    }
    int x = (count+1)*32;
    pvMove(p, btnNext, x, 0);
    pvMove(p, labelInfo, x+=32, 0);
    pvSetText(p, labelInfo, (" 共" + std::to_string(count) + "页").c_str());
    pvResize(p, pvid, x += 81, 30);
    this->activePage(pageIndex);
}

int PvPagination::page()
{
    return pageIndex;
};

void PvPagination::activePage(int index, bool invoke)
{
    if (pageCount == 0) 
    { 
        pageIndex = 0;
        return; 
    }
    pageIndex = index;
    if (pageIndex < 0){ pageIndex = 0; }
    if (pageIndex >= pageCount) { pageIndex = pageCount - 1; }

    pvSetEnabled(p, btnPrev, pageIndex != 0);
    pvSetEnabled(p, btnNext, (pageIndex != pageCount - 1));

    if (btnActive != PV_ID_NUL) { pvSetStyleSheet(p, btnActive, STYLE_NORMAL.c_str()); }
    btnActive = vecBtn[pageIndex].first;
    pvSetStyleSheet(p, btnActive, STYLE_ACTIVE.c_str());

    if (invoke)
    {
        if (callback) callback(pageIndex);
    }
}

void PvPagination::setCallback(std::function<void(int index)> func)
{
    callback = func;
}

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_;
}