# -*- coding: utf-8 -*-
"""
UI 설정 다이얼로그 모듈
섹션별 필드의 보이기/숨기기를 설정하는 다이얼로그입니다.
"""

from PySide6.QtWidgets import (
    QWidget, QVBoxLayout, QHBoxLayout, QTabWidget,
    QLabel, QFrame, QScrollArea, QCheckBox,
    QGroupBox, QGridLayout
)
from PySide6.QtCore import Qt
from PySide6.QtGui import QFont

from ui.base.base_dialog import BaseDialog
from ui.components.custom_button import CustomButton
from core.config import ConfigManager
from core.logger import get_logger

logger = get_logger(__name__)


class UiSettingsDialog(BaseDialog):
    """
    UI 설정 다이얼로그
    
    섹션별 필드의 보이기/숨기기를 설정합니다.
    """
    
    # 섹션별 필드 정의
    SECTION_FIELDS = {
        "지시": [
            ("created_date", "생성일", True),  # 필수 필드는 항상 표시
            ("created_team", "생성팀", True),
            ("instructor", "지시자", False),
            ("instruction_content", "지시내용", False),
            ("instruction_date", "지시일자", False),
            ("is_continuous", "지속", False),
            ("team_confirmations", "확인팀", False),
            ("is_completed", "완료", False),
        ],
        "고장": [
            ("created_date", "생성일", True),
            ("created_team", "생성팀", True),
            ("occurrence_date", "발생일", False),
            ("train_number", "편성", False),
            ("car_number", "호차", False),
            ("fault_code", "고장코드", False),
            ("device_category", "장치분류", False),
            ("occurrence_station", "발생역", False),
            ("occurrence_time", "발생시간", False),
            ("fault_content", "고장내용", False),
            ("action_content", "조치내용", False),
            ("action_team", "조치팀", False),
            ("team_confirmations", "확인팀", False),
            ("is_completed", "완료", False),
        ],
        "작업": [
            ("created_date", "생성일", True),
            ("created_team", "생성팀", True),
            ("work_date", "작업일", False),
            ("work_entity", "작업주체", False),
            ("target_train", "대상편성", False),
            ("target_device", "대상기기", False),
            ("work_content", "작업내용", False),
            ("remarks", "특이사항", False),
            ("team_confirmations", "확인팀", False),
            ("is_completed", "완료", False),
        ],
        "기타": [
            ("created_date", "생성일", True),
            ("created_team", "생성팀", True),
            ("reporter", "전달자", False),
            ("report_content", "전달내용", False),
            ("remarks", "특이사항", False),
            ("related_document", "관련문서", False),
            ("team_confirmations", "확인팀", False),
            ("is_completed", "완료", False),
        ],
    }
    
    def __init__(self, parent=None):
        super().__init__(parent, title="UI 설정", width=600, height=700, resizable=True)
        
        self.config = ConfigManager()
        self.field_checkboxes = {}  # 섹션별 필드 체크박스 저장
        
        self._setup_tabs()
        self.add_confirm_cancel_buttons("저장", "취소")
    
    def _setup_tabs(self):
        """탭 설정"""
        self.tabs = QTabWidget()
        self.tabs.setFont(QFont("GmarketSans", 12))
        
        # 각 섹션별 탭 생성
        for section_name in self.SECTION_FIELDS.keys():
            tab = self._create_section_tab(section_name)
            self.tabs.addTab(tab, section_name)
        
        # 스타일 적용
        theme = self.config.theme
        if theme == 'dark':
            self.tabs.setStyleSheet("""
                QTabWidget::pane {
                    border: 1px solid #334155;
                    border-radius: 8px;
                    background-color: #1e293b;
                }
                QTabBar::tab {
                    background-color: #1e293b;
                    color: #94a3b8;
                    padding: 8px 16px;
                    border-top-left-radius: 6px;
                    border-top-right-radius: 6px;
                }
                QTabBar::tab:selected {
                    background-color: #334155;
                    color: #f8fafc;
                }
            """)
        else:
            self.tabs.setStyleSheet("""
                QTabWidget::pane {
                    border: 1px solid #e2e8f0;
                    border-radius: 8px;
                    background-color: #ffffff;
                }
                QTabBar::tab {
                    background-color: #f8fafc;
                    color: #64748b;
                    padding: 8px 16px;
                    border-top-left-radius: 6px;
                    border-top-right-radius: 6px;
                }
                QTabBar::tab:selected {
                    background-color: #ffffff;
                    color: #1e293b;
                }
            """)
        
        self.content_layout.addWidget(self.tabs)
    
    def _create_section_tab(self, section_name: str) -> QWidget:
        """섹션별 탭 생성"""
        widget = QWidget()
        layout = QVBoxLayout(widget)
        layout.setContentsMargins(20, 20, 20, 20)
        layout.setSpacing(20)
        
        # 설명 라벨
        info_label = QLabel(f"{section_name} 섹션의 표시할 필드를 선택하세요.")
        info_label.setWordWrap(True)
        layout.addWidget(info_label)
        
        # 스크롤 영역
        scroll = QScrollArea()
        scroll.setWidgetResizable(True)
        scroll.setFrameShape(QFrame.NoFrame)
        
        scroll_widget = QWidget()
        scroll_layout = QVBoxLayout(scroll_widget)
        scroll_layout.setContentsMargins(0, 0, 0, 0)
        scroll_layout.setSpacing(10)
        
        # 필드 체크박스들
        self.field_checkboxes[section_name] = {}
        fields = self.SECTION_FIELDS[section_name]
        
        for field_name, field_label, is_required in fields:
            checkbox = QCheckBox(field_label)
            
            # 필수 필드는 체크 불가능하게 설정
            if is_required:
                checkbox.setChecked(True)
                checkbox.setEnabled(False)
                checkbox.setStyleSheet("color: #64748b;")  # 회색으로 표시
            else:
                # 설정에서 읽어오기
                config_key = f"field_visible_{section_name}_{field_name}"
                is_visible = self.config.get('ui', config_key, True)
                checkbox.setChecked(is_visible)
            
            self.field_checkboxes[section_name][field_name] = checkbox
            scroll_layout.addWidget(checkbox)
        
        scroll_layout.addStretch()
        scroll.setWidget(scroll_widget)
        layout.addWidget(scroll)
        
        return widget
    
    def accept(self):
        """저장"""
        # 설정 저장
        for section_name, checkboxes in self.field_checkboxes.items():
            for field_name, checkbox in checkboxes.items():
                config_key = f"field_visible_{section_name}_{field_name}"
                self.config.set('ui', config_key, checkbox.isChecked())
        
        self.config.save()
        logger.info("UI 설정 저장 완료")
        
        super().accept()