"""
Mindforce Implant/Chip Selector Dialog
Uses /medicalchips API endpoint for healing chips
"""

from PyQt6.QtWidgets import (
    QDialog, QVBoxLayout, QHBoxLayout, QLabel, QPushButton,
    QListWidget, QListWidgetItem, QLineEdit, QGroupBox,
    QFormLayout, QMessageBox
)
from PyQt6.QtCore import Qt
from decimal import Decimal

from core.nexus_full_api import get_nexus_api


class MindforceSelectorDialog(QDialog):
    """Dialog for selecting mindforce implants (healing chips)."""
    
    def __init__(self, parent=None):
        super().__init__(parent)
        self.setWindowTitle("Select Mindforce Healing Chip")
        self.setMinimumSize(600, 500)
        
        self._selected_chip = None
        self._chips_cache = []
        
        self._setup_ui()
        self._load_chips()
    
    def _setup_ui(self):
        layout = QVBoxLayout(self)
        
        # Search bar
        search_layout = QHBoxLayout()
        search_layout.addWidget(QLabel("Search:"))
        self.search_edit = QLineEdit()
        self.search_edit.setPlaceholderText("Type to search chips...")
        self.search_edit.textChanged.connect(self._on_search)
        search_layout.addWidget(self.search_edit)
        layout.addLayout(search_layout)
        
        # Chip list
        self.list_widget = QListWidget()
        self.list_widget.itemClicked.connect(self._on_item_selected)
        self.list_widget.itemDoubleClicked.connect(self.accept)
        layout.addWidget(self.list_widget)
        
        # Info panel
        info_group = QGroupBox("Chip Info")
        info_layout = QFormLayout(info_group)
        
        self.info_name = QLabel("Select a chip")
        self.info_heal = QLabel("-")
        self.info_decay = QLabel("-")
        self.info_uses = QLabel("-")
        self.info_mindforce_level = QLabel("-")
        self.info_cost = QLabel("-")
        
        info_layout.addRow("Name:", self.info_name)
        info_layout.addRow("Heal Amount:", self.info_heal)
        info_layout.addRow("Decay (PEC):", self.info_decay)
        info_layout.addRow("Uses/Min:", self.info_uses)
        info_layout.addRow("Mindforce Level:", self.info_mindforce_level)
        info_layout.addRow("Cost/Heal:", self.info_cost)
        
        layout.addWidget(info_group)
        
        # Buttons
        button_layout = QHBoxLayout()
        button_layout.addStretch()
        
        self.select_btn = QPushButton("Select")
        self.select_btn.clicked.connect(self.accept)
        self.select_btn.setEnabled(False)
        button_layout.addWidget(self.select_btn)
        
        cancel_btn = QPushButton("Cancel")
        cancel_btn.clicked.connect(self.reject)
        button_layout.addWidget(cancel_btn)
        
        layout.addLayout(button_layout)
    
    def _load_chips(self):
        """Load healing chips from API."""
        try:
            api = get_nexus_api()
            # Medical chips are healing-focused mindforce implants
            self._chips_cache = api.get_all_healing_chips()
            self._populate_list(self._chips_cache)
        except Exception as e:
            QMessageBox.warning(self, "Error", f"Failed to load chips: {e}")
    
    def _populate_list(self, chips):
        """Populate the list widget."""
        self.list_widget.clear()
        
        for chip in chips:
            # Get heal amount (average of min/max)
            heal_amount = getattr(chip, 'heal_amount', Decimal("0"))
            decay = getattr(chip, 'decay', Decimal("0"))
            
            item_text = f"{chip.name} | Heal: {heal_amount}"
            if decay > 0:
                item_text += f" | Decay: {decay} PEC"
            
            item = QListWidgetItem(item_text)
            item.setData(Qt.ItemDataRole.UserRole, chip)
            
            # Tooltip
            tooltip = f"Name: {chip.name}"
            if hasattr(chip, 'heal_amount'):
                tooltip += f"\nHeal: {chip.heal_amount} HP"
            if decay > 0:
                tooltip += f"\nDecay: {decay} PEC"
            if hasattr(chip, 'uses_per_minute') and chip.uses_per_minute:
                tooltip += f"\nUses/Min: {chip.uses_per_minute}"
            item.setToolTip(tooltip)
            
            self.list_widget.addItem(item)
    
    def _on_search(self, text):
        """Filter list based on search text."""
        if not text:
            self._populate_list(self._chips_cache)
            return
        
        filtered = [chip for chip in self._chips_cache 
                    if text.lower() in chip.name.lower()]
        self._populate_list(filtered)
    
    def _on_item_selected(self, item):
        """Handle item selection."""
        chip = item.data(Qt.ItemDataRole.UserRole)
        if not chip:
            return
        
        # Extract chip data
        heal_amount = getattr(chip, 'heal_amount', Decimal("0"))
        decay = Decimal(str(getattr(chip, 'decay', 0)))
        uses_per_min = getattr(chip, 'uses_per_minute', None)
        
        self._selected_chip = {
            'name': chip.name,
            'api_id': chip.id,
            'decay_pec': decay,
            'heal_amount': heal_amount,
            'uses_per_minute': uses_per_min,
        }
        
        # Update info panel
        self.info_name.setText(chip.name)
        self.info_heal.setText(f"{heal_amount} HP")
        self.info_decay.setText(f"{decay} PEC")
        self.info_uses.setText(str(uses_per_min) if uses_per_min else "N/A")
        
        # Mindforce level if available
        mindforce_level = "N/A"
        if hasattr(chip, 'profession_level') and chip.profession_level:
            mindforce_level = str(chip.profession_level)
        self.info_mindforce_level.setText(mindforce_level)
        
        # Calculate cost per heal
        cost_per_heal = decay / Decimal("100")
        self.info_cost.setText(f"{cost_per_heal:.4f} PED")
        
        self.select_btn.setEnabled(True)
    
    def get_selected_chip(self):
        """Get the selected chip data."""
        return self._selected_chip