"""Update conversions schema with new attribution fields and composite key for guests.

Revision ID: a2b3c4d5e6f7
Revises: 630b0c367dcb
Create Date: 2025-11-19 00:00:00.000000

"""

from collections.abc import Sequence

import sqlalchemy as sa
from alembic import op

# revision identifiers, used by Alembic.
revision: str = "a2b3c4d5e6f7"
down_revision: str | Sequence[str] | None = "630b0c367dcb"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    """Upgrade schema."""
    # Drop existing conversion tables to migrate to new schema
    # Drop conversion_rooms first due to foreign key dependency
    op.execute("DROP TABLE IF EXISTS conversion_rooms CASCADE")
    op.execute("DROP TABLE IF EXISTS conversions CASCADE")
    op.execute("DROP TABLE IF EXISTS conversion_guests CASCADE")

    # Create conversion_guests table with composite primary key (hotel_id, guest_id)
    op.create_table(
        "conversion_guests",
        sa.Column("hotel_id", sa.String(), nullable=False, primary_key=True),
        sa.Column("guest_id", sa.String(), nullable=False, primary_key=True),
        sa.Column("guest_first_name", sa.String(), nullable=True),
        sa.Column("guest_last_name", sa.String(), nullable=True),
        sa.Column("guest_email", sa.String(), nullable=True),
        sa.Column("guest_country_code", sa.String(), nullable=True),
        sa.Column("guest_birth_date", sa.Date(), nullable=True),
        sa.Column("hashed_first_name", sa.String(64), nullable=True),
        sa.Column("hashed_last_name", sa.String(64), nullable=True),
        sa.Column("hashed_email", sa.String(64), nullable=True),
        sa.Column("hashed_country_code", sa.String(64), nullable=True),
        sa.Column("hashed_birth_date", sa.String(64), nullable=True),
        sa.Column("is_regular", sa.Boolean(), default=False, nullable=False),
        sa.Column("first_seen", sa.DateTime(timezone=True), nullable=True),
        sa.Column("last_seen", sa.DateTime(timezone=True), nullable=True),
        sa.PrimaryKeyConstraint("hotel_id", "guest_id"),
    )
    op.create_index(
        op.f("ix_conversion_guests_hotel_id"),
        "conversion_guests",
        ["hotel_id"],
        unique=False,
    )
    op.create_index(
        op.f("ix_conversion_guests_guest_id"),
        "conversion_guests",
        ["guest_id"],
        unique=False,
    )
    op.create_index(
        op.f("ix_conversion_guests_hashed_first_name"),
        "conversion_guests",
        ["hashed_first_name"],
        unique=False,
    )
    op.create_index(
        op.f("ix_conversion_guests_hashed_last_name"),
        "conversion_guests",
        ["hashed_last_name"],
        unique=False,
    )
    op.create_index(
        op.f("ix_conversion_guests_hashed_email"),
        "conversion_guests",
        ["hashed_email"],
        unique=False,
    )

    # Create conversions table with new schema
    op.create_table(
        "conversions",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("reservation_id", sa.Integer(), nullable=True),
        sa.Column("customer_id", sa.Integer(), nullable=True),
        sa.Column("hashed_customer_id", sa.Integer(), nullable=True),
        sa.Column("hotel_id", sa.String(), nullable=True),
        sa.Column("guest_id", sa.String(), nullable=True),
        sa.Column("pms_reservation_id", sa.String(), nullable=True),
        sa.Column("reservation_number", sa.String(), nullable=True),
        sa.Column("reservation_date", sa.Date(), nullable=True),
        sa.Column("creation_time", sa.DateTime(timezone=True), nullable=True),
        sa.Column("reservation_type", sa.String(), nullable=True),
        sa.Column("booking_channel", sa.String(), nullable=True),
        sa.Column("advertising_medium", sa.String(), nullable=True),
        sa.Column("advertising_partner", sa.String(), nullable=True),
        sa.Column("advertising_campagne", sa.String(), nullable=True),
        sa.Column("directly_attributable", sa.Boolean(), default=False, nullable=False),
        sa.Column("guest_matched", sa.Boolean(), default=False, nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=True),
        sa.ForeignKeyConstraint(["reservation_id"], ["reservations.id"]),
        sa.ForeignKeyConstraint(["customer_id"], ["customers.id"]),
        sa.ForeignKeyConstraint(["hashed_customer_id"], ["hashed_customers.id"]),
        sa.ForeignKeyConstraint(
            ["hotel_id", "guest_id"],
            ["conversion_guests.hotel_id", "conversion_guests.guest_id"],
            ondelete="SET NULL",
        ),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index(
        op.f("ix_conversions_advertising_campagne"),
        "conversions",
        ["advertising_campagne"],
        unique=False,
    )
    op.create_index(
        op.f("ix_conversions_advertising_medium"),
        "conversions",
        ["advertising_medium"],
        unique=False,
    )
    op.create_index(
        op.f("ix_conversions_advertising_partner"),
        "conversions",
        ["advertising_partner"],
        unique=False,
    )
    op.create_index(
        op.f("ix_conversions_customer_id"),
        "conversions",
        ["customer_id"],
        unique=False,
    )
    op.create_index(
        op.f("ix_conversions_hashed_customer_id"),
        "conversions",
        ["hashed_customer_id"],
        unique=False,
    )
    op.create_index(
        op.f("ix_conversions_hotel_id"),
        "conversions",
        ["hotel_id"],
        unique=False,
    )
    op.create_index(
        op.f("ix_conversions_guest_id"),
        "conversions",
        ["guest_id"],
        unique=False,
    )
    op.create_index(
        op.f("ix_conversions_pms_reservation_id"),
        "conversions",
        ["pms_reservation_id"],
        unique=False,
    )
    op.create_index(
        op.f("ix_conversions_reservation_id"),
        "conversions",
        ["reservation_id"],
        unique=False,
    )

    # Create conversion_rooms table
    op.create_table(
        "conversion_rooms",
        sa.Column("id", sa.Integer(), nullable=False),
        sa.Column("conversion_id", sa.Integer(), nullable=False),
        sa.Column("pms_hotel_reservation_id", sa.String(), nullable=True),
        sa.Column("arrival_date", sa.Date(), nullable=True),
        sa.Column("departure_date", sa.Date(), nullable=True),
        sa.Column("room_status", sa.String(), nullable=True),
        sa.Column("room_type", sa.String(), nullable=True),
        sa.Column("room_number", sa.String(), nullable=True),
        sa.Column("num_adults", sa.Integer(), nullable=True),
        sa.Column("rate_plan_code", sa.String(), nullable=True),
        sa.Column("connected_room_type", sa.String(), nullable=True),
        sa.Column("daily_sales", sa.JSON(), nullable=True),
        sa.Column("total_revenue", sa.Double(), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=True),
        sa.ForeignKeyConstraint(["conversion_id"], ["conversions.id"]),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index(
        op.f("ix_conversion_rooms_arrival_date"),
        "conversion_rooms",
        ["arrival_date"],
        unique=False,
    )
    op.create_index(
        op.f("ix_conversion_rooms_conversion_id"),
        "conversion_rooms",
        ["conversion_id"],
        unique=False,
    )
    op.create_index(
        op.f("ix_conversion_rooms_departure_date"),
        "conversion_rooms",
        ["departure_date"],
        unique=False,
    )
    op.create_index(
        op.f("ix_conversion_rooms_pms_hotel_reservation_id"),
        "conversion_rooms",
        ["pms_hotel_reservation_id"],
        unique=False,
    )
    op.create_index(
        op.f("ix_conversion_rooms_room_number"),
        "conversion_rooms",
        ["room_number"],
        unique=False,
    )


def downgrade() -> None:
    """Downgrade schema."""
    op.drop_index(
        op.f("ix_conversion_rooms_room_number"), table_name="conversion_rooms"
    )
    op.drop_index(
        op.f("ix_conversion_rooms_pms_hotel_reservation_id"),
        table_name="conversion_rooms",
    )
    op.drop_index(
        op.f("ix_conversion_rooms_departure_date"), table_name="conversion_rooms"
    )
    op.drop_index(
        op.f("ix_conversion_rooms_conversion_id"), table_name="conversion_rooms"
    )
    op.drop_index(
        op.f("ix_conversion_rooms_arrival_date"), table_name="conversion_rooms"
    )
    op.drop_table("conversion_rooms")

    op.drop_index(
        op.f("ix_conversions_reservation_id"), table_name="conversions"
    )
    op.drop_index(
        op.f("ix_conversions_pms_reservation_id"), table_name="conversions"
    )
    op.drop_index(
        op.f("ix_conversions_guest_id"), table_name="conversions"
    )
    op.drop_index(
        op.f("ix_conversions_hotel_id"), table_name="conversions"
    )
    op.drop_index(
        op.f("ix_conversions_hashed_customer_id"), table_name="conversions"
    )
    op.drop_index(
        op.f("ix_conversions_customer_id"), table_name="conversions"
    )
    op.drop_index(
        op.f("ix_conversions_advertising_partner"), table_name="conversions"
    )
    op.drop_index(
        op.f("ix_conversions_advertising_medium"), table_name="conversions"
    )
    op.drop_index(
        op.f("ix_conversions_advertising_campagne"), table_name="conversions"
    )
    op.drop_table("conversions")

    op.drop_index(
        op.f("ix_conversion_guests_hashed_email"), table_name="conversion_guests"
    )
    op.drop_index(
        op.f("ix_conversion_guests_hashed_last_name"), table_name="conversion_guests"
    )
    op.drop_index(
        op.f("ix_conversion_guests_hashed_first_name"), table_name="conversion_guests"
    )
    op.drop_index(
        op.f("ix_conversion_guests_guest_id"), table_name="conversion_guests"
    )
    op.drop_index(
        op.f("ix_conversion_guests_hotel_id"), table_name="conversion_guests"
    )
    op.drop_table("conversion_guests")