from PySide6.QtCore import QRegularExpression
from PySide6.QtGui import QRegularExpressionValidator
from PySide6.QtWidgets import QDialog, QVBoxLayout, QLineEdit, QHBoxLayout, QLabel, QPushButton

from core.usermanager import UserManager


class AddBookInformation(QDialog):
    def __init__(self, user_manager: UserManager):
        super().__init__()
        self.user_manager = user_manager

        self.layout = QVBoxLayout()

        self.setWindowTitle("添加图书信息")

        self.isbn = QHBoxLayout()
        self.isbn.addWidget(QLabel("ISBN"))
        self.isbn_line_edit = QLineEdit()
        self.isbn.addWidget(self.isbn_line_edit)
        self.layout.addLayout(self.isbn)

        self.author_line_edit = QLineEdit()
        self.author = QHBoxLayout()
        self.author.addWidget(QLabel("作者"))
        self.author.addWidget(self.author_line_edit)
        self.layout.addLayout(self.author)

        self.summary_line_edit = QLineEdit()
        self.summary = QHBoxLayout()
        self.summary.addWidget(QLabel("书名"))
        self.summary.addWidget(self.summary_line_edit)
        self.layout.addLayout(self.summary)

        self.price_line_edit = QLineEdit()
        reg = QRegularExpression('^[1-9]\d*\.\d+$|^0\.\d+$|^[1-9]\d*$|^0$')
        validator = QRegularExpressionValidator(self)
        validator.setRegularExpression(reg)
        self.price_line_edit.setValidator(validator)
        self.price = QHBoxLayout()
        self.price.addWidget(QLabel("价格"))
        self.price.addWidget(self.price_line_edit)
        self.layout.addLayout(self.price)

        self.date_line_edit = QLineEdit()
        self.date = QHBoxLayout()
        self.date.addWidget(QLabel("成书日期"))
        self.date.addWidget(self.date_line_edit)
        self.layout.addLayout(self.date)

        self.category_line_edit = QLineEdit()
        self.category = QHBoxLayout()
        self.category.addWidget(QLabel("分类"))
        self.category.addWidget(self.category_line_edit)
        self.layout.addLayout(self.category)

        self.add_button = QPushButton("添加图书")
        self.add_button.clicked.connect(self.add)
        self.layout.addWidget(self.add_button)

        self.setLayout(self.layout)

    def add(self):
        self.user_manager.add_book_info(self.isbn_line_edit.text(), self.author_line_edit.text(), self.summary_line_edit.text(), self.price_line_edit.text(), self.date_line_edit.text(), self.category_line_edit.text())