"""Initial schema for the unreleased AI Platform."""

import sqlalchemy as sa
from alembic import op

revision = "0001_initial"
down_revision = None
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        "app_credentials",
        sa.Column("app_id", sa.String(128), primary_key=True),
        sa.Column("verifier", sa.String(64), nullable=False, unique=True),
        sa.Column("active", sa.Boolean(), nullable=False),
        sa.Column("lead_scoring", sa.Boolean(), nullable=False),
        sa.Column(
            "created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False
        ),
        sa.Column(
            "updated_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False
        ),
    )
    op.create_table(
        "app_credential_audit_events",
        sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
        sa.Column("app_id", sa.String(128), nullable=False),
        sa.Column("actor", sa.String(254), nullable=False),
        sa.Column("action", sa.String(16), nullable=False),
        sa.Column(
            "occurred_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False
        ),
    )
    op.create_table(
        "admin_users",
        sa.Column("email", sa.String(254), primary_key=True),
        sa.Column("password_hash", sa.String(512), nullable=False),
    )
    op.create_table(
        "admin_sessions",
        sa.Column("id", sa.String(64), primary_key=True),
        sa.Column(
            "admin_email", sa.String(254), sa.ForeignKey("admin_users.email"), nullable=False
        ),
        sa.Column("csrf_hash", sa.String(64), nullable=False),
        sa.Column("expires_at", sa.DateTime(timezone=True), nullable=False),
    )
    op.create_table(
        "ai_profiles",
        sa.Column("version", sa.String(64), primary_key=True),
        sa.Column("model", sa.String(128), nullable=False),
        sa.Column("provider", sa.String(32), nullable=False, server_default="aihub"),
        sa.Column("base_url", sa.String(2048)),
        sa.Column("system_prompt", sa.String(8000), nullable=False),
        sa.Column("timeout_seconds", sa.Integer(), nullable=False),
        sa.Column("limits", sa.JSON(), nullable=False),
        sa.Column("active", sa.Boolean(), nullable=False, server_default=sa.false()),
    )
    op.create_table(
        "ai_profile_audit_events",
        sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
        sa.Column("actor", sa.String(254), nullable=False),
        sa.Column("version", sa.String(64), nullable=False),
        sa.Column("provider", sa.String(32), nullable=False),
        sa.Column(
            "occurred_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False
        ),
    )
    op.create_table(
        "scoring_runs",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column(
            "app_id", sa.String(128), sa.ForeignKey("app_credentials.app_id"), nullable=False
        ),
        sa.Column("account_id", sa.String(255), nullable=False),
        sa.Column("request_id", sa.String(36), nullable=False),
        sa.Column("fingerprint", sa.String(64), nullable=False),
        sa.Column("request", sa.JSON(), nullable=False),
        sa.Column("profile_version", sa.String(64), nullable=False),
        sa.Column("status", sa.String(24), nullable=False),
        sa.Column("rule_score", sa.Integer()),
        sa.Column("ai_score", sa.Integer()),
        sa.Column("ai_confidence", sa.Float()),
        sa.Column("ai_reasoning", sa.String(2000)),
        sa.Column("error_code", sa.String(64)),
        sa.Column("final_score", sa.Integer()),
        sa.Column("degraded", sa.Boolean(), nullable=False, server_default=sa.false()),
        sa.Column("result_mode", sa.String(32)),
        sa.Column("breakdown", sa.JSON()),
        sa.Column("ai_evidence", sa.JSON()),
        sa.Column(
            "created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False
        ),
        sa.Column("completed_at", sa.DateTime(timezone=True)),
        sa.UniqueConstraint(
            "app_id", "account_id", "request_id", name="uq_run_app_account_request"
        ),
    )
    for column in ("app_id", "status", "created_at"):
        op.create_index(f"ix_scoring_runs_{column}", "scoring_runs", [column])
    op.create_table(
        "scoring_notifications",
        sa.Column("id", sa.String(36), primary_key=True),
        sa.Column(
            "run_id",
            sa.String(36),
            sa.ForeignKey("scoring_runs.id", ondelete="CASCADE"),
            nullable=False,
            unique=True,
        ),
        sa.Column("app_id", sa.String(128), nullable=False),
        sa.Column("account_id", sa.String(255), nullable=False),
        sa.Column("request_id", sa.String(36), nullable=False),
        sa.Column("status", sa.String(24), nullable=False),
        sa.Column("attempts", sa.Integer(), nullable=False),
        sa.Column("next_attempt_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("delivered_at", sa.DateTime(timezone=True)),
        sa.Column("dead", sa.Boolean(), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
    )
    op.create_index(
        "ix_scoring_notifications_due", "scoring_notifications", ["dead", "next_attempt_at"]
    )


def downgrade() -> None:
    op.drop_table("scoring_notifications")
    op.drop_table("scoring_runs")
    op.drop_table("ai_profile_audit_events")
    op.drop_table("ai_profiles")
    op.drop_table("admin_sessions")
    op.drop_table("admin_users")
    op.drop_table("app_credential_audit_events")
    op.drop_table("app_credentials")