from sqlalchemy.orm import Session
import json

from ..models.models import MembershipTier, User, UserRole, EmailTemplate, ProfileQuestion
from .security import get_password_hash
from datetime import datetime


def init_default_data(db: Session):
    """Initialize database with default data if empty"""
    
    # Check if membership tiers exist
    existing_tiers = db.query(MembershipTier).count()
    if existing_tiers == 0:
        print("Creating default membership tiers...")
        default_tiers = [
            MembershipTier(
                name="Personal",
                description="Basic membership for individual members",
                annual_fee=5.00,
                benefits="Access to member portal, meeting notifications, event participation",
                is_active=True
            ),
            MembershipTier(
                name="Aircraft Owners",
                description="Group membership for aircraft owners",
                annual_fee=25.00,
                benefits="All Personal benefits plus priority event registration, aircraft owner resources",
                is_active=True
            ),
            MembershipTier(
                name="Corporate",
                description="Corporate membership for businesses",
                annual_fee=100.00,
                benefits="All benefits plus corporate recognition, promotional opportunities, file access",
                is_active=True
            )
        ]
        db.add_all(default_tiers)
        db.commit()
        print(f"✓ Created {len(default_tiers)} default membership tiers")
    
    # Check if admin user exists
    admin_exists = db.query(User).filter(User.email == "admin@swanseaairport.org").first()
    if not admin_exists:
        print("Creating default admin user...")
        admin_user = User(
            email="admin@swanseaairport.org",
            hashed_password=get_password_hash("admin123"),
            first_name="System",
            last_name="Administrator",
            role=UserRole.SUPER_ADMIN,
            is_active=True
        )
        db.add(admin_user)
        db.commit()
        print("✓ Created default admin user (admin@swanseaairport.org / admin123)")
        print("  ⚠️  Remember to change the admin password!")
    
    # Check if email templates exist
    existing_templates = db.query(EmailTemplate).count()
    if existing_templates == 0:
        print("Creating default email templates...")
        from ..services.email_service import get_default_templates
        default_templates_data = get_default_templates()
        
        default_templates = []
        for template_data in default_templates_data:
            template = EmailTemplate(**template_data)
            default_templates.append(template)
        
        db.add_all(default_templates)
        db.commit()
        print(f"✓ Created {len(default_templates)} default email templates")

    # Seed default profile questions for onboarding and profile attributes
    existing_questions = db.query(ProfileQuestion).count()
    if existing_questions == 0:
        print("Creating default profile questions...")
        default_questions = [
            ProfileQuestion(
                key="has_professional_license",
                label="Do you hold a professional aviation-related license?",
                help_text="Select your current license status.",
                input_type="select",
                options_json=json.dumps([
                    {"label": "No", "value": "none"},
                    {"label": "Student", "value": "student"},
                    {"label": "Private Pilot", "value": "ppl"},
                    {"label": "Commercial Pilot", "value": "cpl"},
                    {"label": "ATPL", "value": "atpl"},
                    {"label": "Instructor", "value": "instructor"},
                ]),
                is_required=False,
                is_active=True,
                admin_only_edit=False,
                display_order=10,
            ),
            ProfileQuestion(
                key="license_number",
                label="License number",
                help_text="Optional: your current license number.",
                input_type="text",
                placeholder="e.g. UK.FCL.123456",
                is_required=False,
                is_active=True,
                admin_only_edit=False,
                display_order=20,
                depends_on_value="ppl",
            ),
            ProfileQuestion(
                key="can_support_events",
                label="Can you support airport or membership events?",
                help_text="Choose yes if you're open to helping with events.",
                input_type="boolean",
                is_required=False,
                is_active=True,
                admin_only_edit=False,
                display_order=30,
            ),
            ProfileQuestion(
                key="event_support_notes",
                label="What support can you offer?",
                help_text="Examples: stewarding, admin desk, setup/packdown, mentoring.",
                input_type="text",
                placeholder="Type details here",
                is_required=False,
                is_active=True,
                admin_only_edit=False,
                display_order=40,
                depends_on_value="true",
            ),
            ProfileQuestion(
                key="hours_available_monthly",
                label="Approximate volunteer hours available each month",
                help_text="Optional estimate in hours.",
                input_type="number",
                is_required=False,
                is_active=True,
                admin_only_edit=False,
                display_order=50,
            ),
            ProfileQuestion(
                key="medical_expiry_date",
                label="Medical certificate expiry date",
                help_text="Optional date in YYYY-MM-DD format.",
                input_type="date",
                is_required=False,
                is_active=True,
                admin_only_edit=False,
                display_order=60,
            ),
            ProfileQuestion(
                key="completed_training_x",
                label="Completed Training X",
                help_text="This is set by admins once verified.",
                input_type="boolean",
                is_required=False,
                is_active=True,
                admin_only_edit=True,
                display_order=70,
            ),
        ]
        db.add_all(default_questions)
        db.commit()
        question_by_key = {question.key: question for question in db.query(ProfileQuestion).all()}
        question_by_key["license_number"].depends_on_question_id = question_by_key["has_professional_license"].id
        question_by_key["event_support_notes"].depends_on_question_id = question_by_key["can_support_events"].id
        db.commit()
        print(f"✓ Created {len(default_questions)} default profile questions")