"""Personal tokens, atomic research requests and minimal MCP audit evidence."""

import sqlalchemy as sa
from alembic import op

revision = "0010"
down_revision = "0009"
branch_labels = None
depends_on = None


def upgrade():
    op.create_table(
        "mcp_tokens",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column("token_hash", sa.String(64), nullable=False, unique=True),
        sa.Column("name", sa.String(100), nullable=False),
        sa.Column("admin_id", sa.Integer(), sa.ForeignKey("admins.id"), nullable=False),
        sa.Column("account_id", sa.Integer(), sa.ForeignKey("accounts.id"), nullable=False),
        sa.Column("wq_user_id", sa.String(100), nullable=False),
        sa.Column("scopes", sa.JSON(), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("expires_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("revoked_at", sa.DateTime(timezone=True)),
    )
    op.create_index("ix_mcp_tokens_expires_at", "mcp_tokens", ["expires_at"])
    op.create_table(
        "research_requests",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column("account_id", sa.Integer(), sa.ForeignKey("accounts.id"), nullable=False),
        sa.Column("operation", sa.String(50), nullable=False),
        sa.Column("idempotency_key", sa.String(100), nullable=False),
        sa.Column("digest", sa.String(64), nullable=False),
        sa.Column("business_id", sa.String(36), nullable=False),
        sa.Column("response", sa.JSON(), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
        sa.UniqueConstraint("account_id", "operation", "idempotency_key"),
    )
    op.create_table(
        "mcp_audits",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column("token_id", sa.String(36), sa.ForeignKey("mcp_tokens.id"), nullable=False),
        sa.Column("tool", sa.String(100), nullable=False),
        sa.Column("request_id", sa.String(100), nullable=False),
        sa.Column("input_digest", sa.String(64), nullable=False),
        sa.Column("business_id", sa.String(100)),
        sa.Column("result_code", sa.String(60), nullable=False),
        sa.Column("elapsed_ms", sa.Integer(), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
    )
    op.create_index("ix_mcp_audits_token_id", "mcp_audits", ["token_id"])
    op.create_index("ix_mcp_audits_created_at", "mcp_audits", ["created_at"])


def downgrade():
    op.drop_table("mcp_audits")
    op.drop_table("research_requests")
    op.drop_table("mcp_tokens")