"""Phase 2: Listen, Mitgliedschaften, Märkte, Warengruppen, Artikel, Einträge

Revision ID: 0002
Revises: 0001
Create Date: 2026-08-07
"""
from collections.abc import Sequence

import sqlalchemy as sa
from alembic import op

revision: str = "0002"
down_revision: str | None = "0001"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None

MYSQL = {
    "mysql_engine": "InnoDB",
    "mysql_charset": "utf8mb4",
    "mysql_collate": "utf8mb4_unicode_ci",
}


def upgrade() -> None:
    op.create_table(
        "shopping_list",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column("name", sa.String(120), nullable=False),
        sa.Column("owner_id", sa.String(36), nullable=False),
        sa.Column("rev", sa.BigInteger(), nullable=False, server_default=sa.text("0")),
        sa.Column("created_at", sa.DateTime(), nullable=False, server_default=sa.func.now()),
        sa.Column("updated_at", sa.DateTime(), nullable=False, server_default=sa.func.now()),
        sa.Column("deleted_at", sa.DateTime(), nullable=True),
        sa.ForeignKeyConstraint(["owner_id"], ["user.id"], ondelete="RESTRICT"),
        **MYSQL,
    )

    op.create_table(
        "list_member",
        sa.Column("list_id", sa.String(36), primary_key=True),
        sa.Column("user_id", sa.String(36), primary_key=True),
        sa.Column("role", sa.String(16), nullable=False, server_default="editor"),
        sa.Column("joined_at", sa.DateTime(), nullable=False, server_default=sa.func.now()),
        sa.ForeignKeyConstraint(["list_id"], ["shopping_list.id"], ondelete="CASCADE"),
        sa.ForeignKeyConstraint(["user_id"], ["user.id"], ondelete="CASCADE"),
        **MYSQL,
    )
    op.create_index("ix_list_member_user", "list_member", ["user_id"])

    op.create_table(
        "market",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column("list_id", sa.String(36), nullable=False),
        sa.Column("name", sa.String(120), nullable=False),
        sa.Column("sort_order", sa.Integer(), nullable=False, server_default=sa.text("0")),
        sa.Column("row_rev", sa.BigInteger(), nullable=False, server_default=sa.text("0")),
        sa.Column("deleted_at", sa.DateTime(), nullable=True),
        sa.ForeignKeyConstraint(["list_id"], ["shopping_list.id"], ondelete="CASCADE"),
        sa.UniqueConstraint("list_id", "name", name="uq_market_list_name"),
        **MYSQL,
    )
    op.create_index("ix_market_list_rev", "market", ["list_id", "row_rev"])

    op.create_table(
        "category",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column("list_id", sa.String(36), nullable=False),
        sa.Column("name", sa.String(120), nullable=False),
        sa.Column("sort_order", sa.Integer(), nullable=False, server_default=sa.text("0")),
        sa.Column("row_rev", sa.BigInteger(), nullable=False, server_default=sa.text("0")),
        sa.Column("deleted_at", sa.DateTime(), nullable=True),
        sa.ForeignKeyConstraint(["list_id"], ["shopping_list.id"], ondelete="CASCADE"),
        sa.UniqueConstraint("list_id", "name", name="uq_category_list_name"),
        **MYSQL,
    )
    op.create_index("ix_category_list_rev", "category", ["list_id", "row_rev"])

    op.create_table(
        "article",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column("list_id", sa.String(36), nullable=False),
        sa.Column("name", sa.String(200), nullable=False),
        sa.Column("barcode", sa.String(64), nullable=True),
        sa.Column("note", sa.String(500), nullable=True),
        sa.Column("default_market_id", sa.String(36), nullable=True),
        sa.Column("default_category_id", sa.String(36), nullable=True),
        sa.Column("row_rev", sa.BigInteger(), nullable=False, server_default=sa.text("0")),
        sa.Column("deleted_at", sa.DateTime(), nullable=True),
        sa.ForeignKeyConstraint(["list_id"], ["shopping_list.id"], ondelete="CASCADE"),
        sa.ForeignKeyConstraint(["default_market_id"], ["market.id"], ondelete="SET NULL"),
        sa.ForeignKeyConstraint(["default_category_id"], ["category.id"], ondelete="SET NULL"),
        sa.UniqueConstraint("list_id", "name", name="uq_article_list_name"),
        **MYSQL,
    )
    op.create_index("ix_article_list_rev", "article", ["list_id", "row_rev"])
    op.create_index("ix_article_barcode", "article", ["list_id", "barcode"])

    op.create_table(
        "article_attribute",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column("article_id", sa.String(36), nullable=False),
        sa.Column("attr_name", sa.String(80), nullable=False),
        sa.Column("attr_value", sa.String(300), nullable=False),
        sa.ForeignKeyConstraint(["article_id"], ["article.id"], ondelete="CASCADE"),
        sa.UniqueConstraint("article_id", "attr_name", name="uq_article_attr"),
        **MYSQL,
    )

    op.create_table(
        "article_market",
        sa.Column("article_id", sa.String(36), primary_key=True),
        sa.Column("market_id", sa.String(36), primary_key=True),
        sa.ForeignKeyConstraint(["article_id"], ["article.id"], ondelete="CASCADE"),
        sa.ForeignKeyConstraint(["market_id"], ["market.id"], ondelete="CASCADE"),
        **MYSQL,
    )

    op.create_table(
        "list_item",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column("list_id", sa.String(36), nullable=False),
        sa.Column("article_id", sa.String(36), nullable=False),
        sa.Column("market_id", sa.String(36), nullable=True),
        sa.Column("category_id", sa.String(36), nullable=True),
        sa.Column("quantity", sa.Numeric(10, 3), nullable=True),
        sa.Column("unit", sa.String(32), nullable=True),
        sa.Column("note", sa.String(500), nullable=True),
        sa.Column("status", sa.String(16), nullable=False, server_default="open"),
        sa.Column("price_cents", sa.Integer(), nullable=True),
        sa.Column("row_rev", sa.BigInteger(), nullable=False, server_default=sa.text("0")),
        sa.Column("created_at", sa.DateTime(), nullable=False, server_default=sa.func.now()),
        sa.Column("updated_at", sa.DateTime(), nullable=False, server_default=sa.func.now()),
        sa.Column("deleted_at", sa.DateTime(), nullable=True),
        sa.ForeignKeyConstraint(["list_id"], ["shopping_list.id"], ondelete="CASCADE"),
        sa.ForeignKeyConstraint(["article_id"], ["article.id"], ondelete="CASCADE"),
        sa.ForeignKeyConstraint(["market_id"], ["market.id"], ondelete="SET NULL"),
        sa.ForeignKeyConstraint(["category_id"], ["category.id"], ondelete="SET NULL"),
        **MYSQL,
    )
    op.create_index("ix_list_item_list_rev", "list_item", ["list_id", "row_rev"])
    op.create_index("ix_list_item_list_status", "list_item", ["list_id", "status"])


def downgrade() -> None:
    op.drop_table("list_item")
    op.drop_table("article_market")
    op.drop_table("article_attribute")
    op.drop_table("article")
    op.drop_table("category")
    op.drop_table("market")
    op.drop_index("ix_list_member_user", table_name="list_member")
    op.drop_table("list_member")
    op.drop_table("shopping_list")