from fastapi import APIRouter, Depends
from sqlalchemy.orm import Session
import uuid
from database import get_db
import models

FIXED_USER_ID = uuid.UUID("00000000-0000-0000-0000-000000000001")  # Fixed UUID for demo user

router = APIRouter(tags=["dev"])

@router.get("/dev/seed")
def seed_data(db: Session = Depends(get_db)):
    user_id = FIXED_USER_ID

    # Create demo user if not exists
    user = db.query(models.User).filter(models.User.id == user_id).first()
    if not user:
        user = models.User(id=user_id, name="Demo User")
        db.add(user)
        db.flush()

    # Tags
    tags = ["jari", "kristin", "felix", "auto", "sommer"]
    tag_objs = []
    for t in tags:
        tag_obj = models.Tag(id=uuid.uuid4(), user_id=user_id, name=t)
        db.add(tag_obj)
        tag_objs.append(tag_obj)

    db.flush()

    # Items
    items_data = [
        ("Badesachen", ["sommer", "auto"]),
        ("Sonnencreme", ["sommer"]),
        ("Ladegerät", []),
        ("Zelt", ["auto"]),
        ("Schlafsack", []),
        ("Strandspielzeug", ["sommer", "jari"]),
    ]
    for name, tag_names in items_data:
        item = models.Item(id=uuid.uuid4(), user_id=user_id, name=name)
        db.add(item)
        db.flush()
        for tag_name in tag_names:
            tag_id = next(t.id for t in tag_objs if t.name == tag_name)
            db.add(models.ItemTag(item_id=item.id, tag_id=tag_id))

    selected_tags = [t for t in tag_objs if t.name in ["jari", "kristin", "auto", "sommer"]]
    marked_tags = [t for t in tag_objs if t.name in ["kristin", "felix"]]
    trip = models.Trip(
        id=uuid.uuid4(),
        user_id=user_id,
        name="Ostsee August 2025",
        start_date="2025-08-01",
        end_date="2025-08-14",
        selected_tags=selected_tags,
        marked_tags=marked_tags,
    )
    db.add(trip)

    db.commit()
    return {"message": "Seed data created", "user_id": str(user_id)}