#!/usr/bin/env python

import sys
import urllib.request


from PyQt5.QtGui import QStandardItemModel, QStandardItem, QBrush, QColor, QFont, QDesktopServices
from PyQt5.QtWidgets import (QApplication, QDialog,
        QErrorMessage,  QFrame,  QVBoxLayout, QHBoxLayout,
         QLineEdit,  QPushButton, QTableView)
from PyQt5.QtCore import QTimer, QUrl, QProcess


class StockViewerDialog(QDialog):

    def __init__(self, parent=None):
        super(StockViewerDialog, self).__init__(parent)

        self.resize(600, 450)
        self.openFilesPath = ''

        self.errorMessageDialog = QErrorMessage(self)

        self.codeLineEdit = QLineEdit()
        self.codeLineEdit.setText('399001')

        subLayout = QHBoxLayout()

        self.integerButton = QPushButton("Show")
        self.stopRefreshButton = QPushButton("Stop Refresh")

        subLayout.addWidget(self.integerButton)
        subLayout.addWidget(self.stopRefreshButton)

        self.dataView = QTableView()
        self.model = QStandardItemModel(12, 0, self)

        self.model.setVerticalHeaderItem(0, QStandardItem("股票名称"))
        self.model.setVerticalHeaderItem(1, QStandardItem("股票代号"))
        self.model.setVerticalHeaderItem(2, QStandardItem("日期"))
        self.model.setVerticalHeaderItem(3, QStandardItem("时间"))
        self.model.setVerticalHeaderItem(4, QStandardItem("今日开盘价"))
        self.model.setVerticalHeaderItem(5, QStandardItem("昨日收盘价"))
        self.model.setVerticalHeaderItem(6, QStandardItem("当前价格"))
        self.model.setVerticalHeaderItem(7, QStandardItem("涨跌幅"))
        self.model.setVerticalHeaderItem(8, QStandardItem("今日最高价"))
        self.model.setVerticalHeaderItem(9, QStandardItem("今日最低价"))
        self.model.setVerticalHeaderItem(10, QStandardItem("成交量(万手)"))
        self.model.setVerticalHeaderItem(11, QStandardItem("成交金额(元)"))
        self.model.setVerticalHeaderItem(12, QStandardItem("详情"))

        self.dataView.horizontalHeader().hide()
        self.dataView.setFont(QFont("SimSun", 9))

        self.dataView.setModel(self.model)
        self.dataView.setRowHeight(0, 25)
        self.dataView.setRowHeight(1, 25)
        self.dataView.setRowHeight(2, 25)
        self.dataView.setRowHeight(3, 25)
        self.dataView.setRowHeight(4, 25)
        self.dataView.setRowHeight(5, 25)
        self.dataView.setRowHeight(6, 25)
        self.dataView.setRowHeight(7, 25)
        self.dataView.setRowHeight(8, 25)
        self.dataView.setRowHeight(9, 25)
        self.dataView.setRowHeight(10, 25)
        self.dataView.setRowHeight(11, 25)

        layout = QVBoxLayout()
        layout.addWidget(self.codeLineEdit)
        layout.addLayout(subLayout)
        layout.addWidget(self.dataView)
        self.setLayout(layout)

        self.setWindowTitle("Stock Viewer")

        self.integerButton.clicked.connect(self.onShowButtonClick)
        self.stopRefreshButton.clicked.connect(self.stopRefresh)

    def stopRefresh(self):
        print("Stop")
        self.timer.stop()
        self.stopRefreshButton.setEnabled(False)
        self.integerButton.setEnabled(True)
        self.integerButton.setText("Show")



    def __request(self, symbol):
        url = "http://hq.sinajs.cn/?list=%s" % symbol
        return urllib.request.urlopen(url, data=None, timeout=500).read().decode('gbk')

    def processInputString(self):
        self.textSymbol = self.codeLineEdit.text()
        symbolText = self.textSymbol.replace(' ', '')
        symbolArray = symbolText.split(',')

        self.symbolString = ""
        for symbol in symbolArray:
            symbol = symbol.strip()
            # 上证 股票以6开头，基金以5开头，B股以9开头
            if len(symbol) == 0:
                return
            if symbol[0] == '6' or symbol[0] == '5' or symbol[0] == '9':
                symbol = "sh" + symbol
            # 深证 股票以3，0开头，基金以1开头, B股以2开头
            if symbol[0] == '3' or symbol[0] == '0' or symbol[0] == '1' or symbol[0] == '2':
                symbol = "sz" + symbol
            if len(self.symbolString) > 0:
                self.symbolString = self.symbolString + "," + symbol
            else:
                self.symbolString = symbol

    def onShowButtonClick(self):

        self.refreshNum = 0
        self.getStockData()

        self.timer = QTimer()
        self.timer.timeout.connect(self.getStockData)
        self.timer.start(2000)

        self.stopRefreshButton.setEnabled(True)
        self.integerButton.setEnabled(False)
        self.integerButton.setText("Refreshing")

    def getStockData(self):

        print("refresh")
        self.processInputString()

        # #delete all columns
        self.model.removeColumns(0, self.model.columnCount())

        index = 0
        dataArray = self.__request(self.symbolString).split(';')

        for textPiece in dataArray:
            data = textPiece.split(',')
            if len(data) == 1:
                continue
            self.upDataModel(data, index)
            index += 1
        self.refreshNum += 1

    def upDataModel(self, data, colNum):

        name = data[0].split('\"')[1]
        code = data[0].split('_')[2].split('=')[0]

        self.model.setItem(0, colNum, QStandardItem(name))
        self.model.setItem(1, colNum, QStandardItem(code))
        self.model.setItem(2, colNum, QStandardItem(data[30]))
        self.model.setItem(3, colNum, QStandardItem(data[31]))
        self.model.setItem(4, colNum, QStandardItem(data[1]))
        self.model.setItem(5, colNum, QStandardItem(data[2]))

        curPriceItem = QStandardItem(data[3])
        self.model.setItem(6,colNum, curPriceItem)

        changeNum = ((float(data[3])/float(data[2]) - 1.0) * 100)
        changeStr = "%.2f%%" % changeNum
        curChangeItem = QStandardItem(str(changeStr))

        if changeNum > 0.0:
            curChangeItem.setForeground(QBrush(QColor("red")))
            self.model.item(6, colNum).setForeground(QBrush(QColor("red")))
        else:
            curChangeItem.setForeground(QBrush(QColor("green")))
            self.model.item(6, colNum).setForeground(QBrush(QColor("green")))
        self.model.setItem(7, colNum, curChangeItem)

        self.model.setItem(8, colNum, QStandardItem(data[4]))
        self.model.setItem(9, colNum, QStandardItem(data[5]))

        volume = float(data[8])
        volumeStr = "%.2f" % (volume / 1000000)
        self.model.setItem(10, colNum, QStandardItem(volumeStr))

        turnover = float(data[9])
        if turnover > 1e8:
            turnoverStr = "%.2f亿" % (turnover / 100000000)
        else:
            turnoverStr = "%.2f万" % (turnover / 10000)
        self.model.setItem(11, colNum, QStandardItem(turnoverStr))

        myBtn = QPushButton("点击")
        myBtn.setAccessibleDescription(code)
        myBtn.clicked.connect(self.showStockPages)

        self.model.setItem(12, colNum, QStandardItem())
        parent = self.model.item(12, colNum)

        index = self.model.indexFromItem(parent)
        self.dataView.setIndexWidget(index, myBtn)

    def showStockPages(self):

        sender = self.sender()
        url = "http://finance.sina.com.cn/realstock/company/" + sender.accessibleDescription() + "/nc.shtml"
        QDesktopServices.openUrl(QUrl(url))


if __name__ == '__main__':
    app = QApplication(sys.argv)
    dialog = StockViewerDialog()
    dialog.show()
    sys.exit(app.exec_())