"""initial

Revision ID: 001
Revises:
Create Date: 2024-01-01 00:00:00.000000
"""
from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op

revision: str = "001"
down_revision: Union[str, None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        "stores",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("name", sa.String(100), nullable=False),
        sa.Column("slug", sa.String(50), nullable=False),
        sa.Column("country", sa.String(2), server_default="NL"),
        sa.Column("website", sa.String(255)),
        sa.UniqueConstraint("slug", name="uq_stores_slug"),
    )

    op.create_table(
        "products",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("store_id", sa.Integer(), sa.ForeignKey("stores.id"), nullable=False),
        sa.Column("external_id", sa.String(50), nullable=False),
        sa.Column("ean", sa.String(20)),
        sa.Column("name", sa.String(255), nullable=False),
        sa.Column("brand", sa.String(100)),
        sa.Column("category", sa.String(100)),
        sa.Column("unit_size", sa.String(50)),
        sa.Column("url", sa.String(500)),
        sa.Column("created_at", sa.DateTime(), server_default=sa.func.now()),
        sa.Column("updated_at", sa.DateTime(), server_default=sa.func.now()),
        sa.UniqueConstraint("store_id", "external_id", name="uq_products_store_external"),
    )
    op.create_index("ix_products_ean", "products", ["ean"])

    op.create_table(
        "scrape_runs",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("store_id", sa.Integer(), sa.ForeignKey("stores.id"), nullable=False),
        sa.Column("query", sa.String(255), nullable=False),
        sa.Column("started_at", sa.DateTime(), server_default=sa.func.now()),
        sa.Column("finished_at", sa.DateTime()),
        sa.Column("status", sa.String(20), server_default="running"),
        sa.Column("products_found", sa.Integer(), server_default="0"),
        sa.Column("error_message", sa.String(1000)),
    )

    op.create_table(
        "price_snapshots",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("product_id", sa.Integer(), sa.ForeignKey("products.id"), nullable=False),
        sa.Column("scrape_run_id", sa.Integer(), sa.ForeignKey("scrape_runs.id"), nullable=False),
        sa.Column("price", sa.Integer(), nullable=False),
        sa.Column("unit_price", sa.Integer()),
        sa.Column("unit_description", sa.String(50)),
        sa.Column("currency", sa.String(3), server_default="EUR"),
        sa.Column("discount_label", sa.String(100)),
        sa.Column("discount_description", sa.String(255)),
        sa.Column("was_price", sa.Integer()),
        sa.Column("is_on_sale", sa.Boolean(), server_default="false"),
        sa.Column("timestamp", sa.DateTime(), server_default=sa.func.now()),
    )
    op.create_index("ix_price_snapshots_timestamp", "price_snapshots", ["timestamp"])
    op.create_index(
        "ix_price_snapshots_product_timestamp",
        "price_snapshots",
        ["product_id", "timestamp"],
    )


def downgrade() -> None:
    op.drop_table("price_snapshots")
    op.drop_table("scrape_runs")
    op.drop_table("products")
    op.drop_table("stores")