import sqlalchemy as sa
from alembic import op
from sqlalchemy.dialects.mysql import BIGINT, BINARY, DATETIME

revision = "0004_fulfillment"
down_revision = "0003_proposal_submitter"
branch_labels = None
depends_on = None


def identifier(name, primary=False):
    return sa.Column(name, BINARY(16), primary_key=primary, nullable=False)


def upgrade():
    op.drop_constraint(op.f("ck_tickets_status"), "tickets", type_="check")
    op.create_check_constraint(
        op.f("ck_tickets_status"),
        "tickets",
        "status IN ('DRAFT','WAITING_REVIEW','APPROVED','REJECTED','CANCELLED',"
        "'PROCESSING','RESULT_UNKNOWN','COMPLETED','FAILED','NEEDS_REVISION')",
    )
    op.add_column("business_events", sa.Column("lease_until", DATETIME(fsp=6), nullable=True))
    op.add_column(
        "business_events",
        sa.Column("lease_token", BIGINT(unsigned=True), nullable=False, server_default="0"),
    )
    op.create_table(
        "oms_connectors",
        identifier("tenant_id", True),
        identifier("store_id", True),
        sa.Column("source_system", sa.String(64), nullable=False),
        sa.Column("base_url", sa.String(512), nullable=False),
        sa.Column("credential_env", sa.String(128), nullable=False),
        sa.Column("enabled", sa.Boolean(), nullable=False),
        sa.ForeignKeyConstraint(["tenant_id", "store_id"], ["stores.tenant_id", "stores.id"]),
    )
    op.create_table(
        "external_operations",
        identifier("id", True),
        identifier("tenant_id"),
        identifier("ticket_id"),
        identifier("store_id"),
        identifier("order_id"),
        sa.Column("proposal_version", BIGINT(unsigned=True), nullable=False),
        sa.Column("request", sa.JSON(), nullable=False),
        sa.Column("status", sa.String(32), nullable=False),
        sa.Column("external_version", BIGINT(unsigned=True), nullable=False),
        sa.Column("lease_token", BIGINT(unsigned=True), nullable=False),
        sa.Column("lease_until", DATETIME(fsp=6), nullable=True),
        sa.Column("next_attempt_at", DATETIME(fsp=6), nullable=False),
        sa.Column("last_error", sa.String(64), nullable=True),
        sa.Column("base_url", sa.String(512), nullable=False),
        sa.Column("credential_env", sa.String(128), nullable=False),
        sa.UniqueConstraint(
            "tenant_id", "ticket_id", "proposal_version", name="uq_operation_proposal"
        ),
        sa.UniqueConstraint("tenant_id", "id", name="uq_operation_tenant_id"),
        sa.ForeignKeyConstraint(["tenant_id", "ticket_id"], ["tickets.tenant_id", "tickets.id"]),
        sa.CheckConstraint(
            "status IN ('PREPARED','UNKNOWN','ACCEPTED','COMPLETED','FAILED')",
            name=op.f("ck_external_operations_status"),
        ),
    )
    op.create_index("ix_operations_due", "external_operations", ["status", "next_attempt_at", "id"])
    op.create_table(
        "reservations",
        identifier("operation_id", True),
        identifier("tenant_id"),
        identifier("order_id"),
        sa.Column("quantity", sa.Integer(), nullable=False),
        sa.Column("status", sa.String(16), nullable=False),
        sa.ForeignKeyConstraint(
            ["tenant_id", "operation_id"],
            ["external_operations.tenant_id", "external_operations.id"],
        ),
        sa.CheckConstraint("quantity > 0", name=op.f("ck_reservations_quantity")),
        sa.CheckConstraint(
            "status IN ('HELD','CONSUMED','RELEASED')", name=op.f("ck_reservations_status")
        ),
    )
    op.create_index("ix_reservations_order", "reservations", ["tenant_id", "order_id", "status"])
    op.create_table(
        "consumer_receipts",
        sa.Column("consumer", sa.String(64), primary_key=True),
        identifier("event_id", True),
        identifier("tenant_id"),
        sa.Column("processed_at", DATETIME(fsp=6), nullable=False),
    )


def downgrade():
    op.drop_table("consumer_receipts")
    op.drop_table("reservations")
    op.drop_table("external_operations")
    op.drop_table("oms_connectors")
    op.drop_column("business_events", "lease_token")
    op.drop_column("business_events", "lease_until")
    op.drop_constraint(op.f("ck_tickets_status"), "tickets", type_="check")
    op.create_check_constraint(
        op.f("ck_tickets_status"),
        "tickets",
        "status IN ('DRAFT','WAITING_REVIEW','APPROVED','REJECTED','CANCELLED')",
    )