from PyQt6.QtCore import QSize, Qt
from PyQt6.QtGui import QPixmap
from PyQt6.QtWidgets import QApplication, QMainWindow, QPushButton, QVBoxLayout, QLabel, QLineEdit, QWidget, \
    QHBoxLayout, QListWidget
from ui_dialogues import select_directory, update_textbox_from_path


def create_layout1():
    layout1 = QVBoxLayout()
    layout1_1 = QHBoxLayout()
    layout1_2 = QHBoxLayout()
    layout1_3 = QHBoxLayout()

    ### Spacing and Alignment
    layout1.setContentsMargins(10, 10, 10, 10)
    layout1.setSpacing(10)
    layout1.setAlignment(Qt.AlignmentFlag.AlignLeft | Qt.AlignmentFlag.AlignTop)
    layout1_1.setAlignment(Qt.AlignmentFlag.AlignLeft | Qt.AlignmentFlag.AlignTop)
    layout1_2.setAlignment(Qt.AlignmentFlag.AlignLeft | Qt.AlignmentFlag.AlignTop)
    layout1_3.setAlignment(Qt.AlignmentFlag.AlignLeft | Qt.AlignmentFlag.AlignTop)

    return layout1,layout1_1,layout1_2,layout1_3

def layout1_widgets(config):
    l1,l1_1,l1_2,l1_3 = create_layout1()

    ### Create Top Row
    lbl_src_directory = QLabel('Source Directory')
    txt_box_src_directory = QLineEdit()
    txt_box_src_directory.setPlaceholderText(config['folders']['source']['base'])

    btn_src_browse = QPushButton('Browse')
    btn_src_browse.setFixedSize(100, 40)
    btn_src_browse.clicked.connect(update_textbox_from_path(
        txt_box_src_directory,
        config['folders']['source']['base']))

    ### Create Second Row
    lbl_dst_directory = QLabel('Destination Directory')
    txt_box_dst_directory = QLineEdit()
    txt_box_dst_directory.setPlaceholderText(config['folders']['destination']['base'])

    btn_dst_browse = QPushButton('Browse')
    btn_dst_browse.setFixedSize(100, 40)
    btn_dst_browse.clicked.connect(update_textbox_from_path(
        txt_box_dst_directory,
        config['folders']['destination']['base']))

    ### Create Third Row
    btn_scan_dir = QPushButton("Scan Directory")
    btn_scan_dir.setFixedSize(100, 40)
    btn_scan_dir.setCheckable(False)

    ### Add Widgets to Layouts
    l1_1.addWidget(lbl_src_directory)
    l1_1.addWidget(txt_box_src_directory)
    l1_1.addWidget(btn_src_browse)
    l1_2.addWidget(lbl_dst_directory)
    l1_2.addWidget(txt_box_dst_directory)
    l1_2.addWidget(btn_dst_browse)
    l1_3.addWidget(btn_scan_dir)

    ### Add Layouts to primary Layout 1
    l1.addLayout(l1_1)
    l1.addLayout(l1_2)
    l1.addLayout(l1_3)

    return l1

def create_layout2():
    layout2 = QHBoxLayout()
    layout2_1 = QHBoxLayout()
    layout2_2 = QVBoxLayout()
    layout2_2_1 = QHBoxLayout()
    layout2_2_2 = QVBoxLayout()

    return layout2,layout2_1,layout2_2,layout2_2_1,layout2_2_2

def layout2_widgets():
    l2,l2_1,l2_2,l2_2_1,l2_2_2 = create_layout2()
    preview_width = int(220)
    preview_height = int(preview_width * 0.75)

    src_file_list = QListWidget()

    src_file_list.setFixedWidth(550)

    preview_placeholder = QLabel("Placeholder")
    preview_placeholder.setPixmap(QPixmap('assets/preview_placeholder.jpg'))
    preview_placeholder.setScaledContents(True)
    preview_placeholder.setFixedWidth(preview_width)
    preview_placeholder.setFixedHeight(preview_height)

    l2_1.addWidget(src_file_list)
    l2_2.addWidget(preview_placeholder)
    l2_1.setAlignment(Qt.AlignmentFlag.AlignLeft | Qt.AlignmentFlag.AlignTop)
    l2_2.setAlignment(Qt.AlignmentFlag.AlignLeft | Qt.AlignmentFlag.AlignTop)
    l2.addLayout(l2_1)
    l2.addLayout(l2_2)