"""consolidated schema baseline

Revision ID: 20260729_03
Revises:
Create Date: 2026-07-29
"""
from __future__ import annotations

from collections.abc import Sequence
from datetime import datetime

import sqlalchemy as sa
from alembic import op
from sqlalchemy.dialects import mysql

revision: str = "20260729_03"
down_revision: str | None = None
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    op.create_table(
        "pipeline_run",
        sa.Column("run_id", sa.String(36), primary_key=True),
        sa.Column("dedupe_key", sa.String(191), nullable=False),
        sa.Column("pipeline_key", sa.String(64), nullable=False),
        sa.Column("biz_dt", sa.String(8), nullable=False),
        sa.Column("trigger_type", sa.String(24), nullable=False),
        sa.Column("trigger_source", sa.String(64), nullable=True),
        sa.Column("trigger_reason", sa.Text(), nullable=True),
        sa.Column("run_mode", sa.String(24), nullable=False),
        sa.Column("dry_run", sa.Boolean(), nullable=False),
        sa.Column("status", sa.String(32), nullable=False),
        sa.Column("current_step", sa.String(64), nullable=True),
        sa.Column("deadline_at", sa.DateTime(), nullable=True),
        sa.Column("started_at", sa.DateTime(), nullable=True),
        sa.Column("finished_at", sa.DateTime(), nullable=True),
        sa.Column("heartbeat_at", sa.DateTime(), nullable=True),
        sa.Column("lease_owner", sa.String(191), nullable=True),
        sa.Column("lease_until", sa.DateTime(), nullable=True),
        sa.Column("code_version", sa.String(128), nullable=True),
        sa.Column("config_snapshot_json", sa.JSON(), nullable=False),
        sa.Column("date_snapshot_json", sa.JSON(), nullable=False),
        sa.Column("summary_json", sa.JSON(), nullable=True),
        sa.Column("error_code", sa.String(64), nullable=True),
        sa.Column("error_message", sa.Text(), nullable=True),
        sa.Column("created_at", sa.DateTime(), server_default=sa.func.now(), nullable=False),
        sa.Column("updated_at", sa.DateTime(), server_default=sa.func.now(), nullable=False),
        sa.UniqueConstraint("dedupe_key", name="uk_pipeline_run_dedupe_key"),
        mysql_charset="utf8mb4",
    )
    op.create_index(
        "idx_pipeline_run_biz",
        "pipeline_run",
        ["pipeline_key", "biz_dt", "created_at"],
    )
    op.create_index(
        "idx_pipeline_run_status",
        "pipeline_run",
        ["status", "lease_until"],
    )
    op.create_index(
        "idx_pipeline_run_deadline",
        "pipeline_run",
        ["status", "deadline_at"],
    )

    op.create_table(
        "pipeline_step_run",
        sa.Column("step_run_id", sa.String(36), primary_key=True),
        sa.Column(
            "run_id",
            sa.String(36),
            sa.ForeignKey("pipeline_run.run_id", ondelete="CASCADE"),
            nullable=False,
        ),
        sa.Column("step_key", sa.String(64), nullable=False),
        sa.Column("step_order", sa.Integer(), nullable=False),
        sa.Column("attempt", sa.Integer(), nullable=False),
        sa.Column("status", sa.String(32), nullable=False),
        sa.Column("critical", sa.Boolean(), nullable=False),
        sa.Column("dependency_snapshot_json", sa.JSON(), nullable=False),
        sa.Column("input_snapshot_json", sa.JSON(), nullable=False),
        sa.Column("timeout_seconds", sa.Integer(), nullable=False),
        sa.Column("max_attempts", sa.Integer(), nullable=False),
        sa.Column("retryable", sa.Boolean(), nullable=False),
        sa.Column("next_retry_at", sa.DateTime(), nullable=True),
        sa.Column("started_at", sa.DateTime(), nullable=True),
        sa.Column("finished_at", sa.DateTime(), nullable=True),
        sa.Column("heartbeat_at", sa.DateTime(), nullable=True),
        sa.Column("lease_owner", sa.String(191), nullable=True),
        sa.Column("lease_until", sa.DateTime(), nullable=True),
        sa.Column("exit_code", sa.Integer(), nullable=True),
        sa.Column("result_summary_json", sa.JSON(), nullable=True),
        sa.Column("error_code", sa.String(64), nullable=True),
        sa.Column("error_message", sa.Text(), nullable=True),
        sa.Column("log_uri", sa.String(1024), nullable=True),
        sa.Column("created_at", sa.DateTime(), server_default=sa.func.now(), nullable=False),
        sa.Column("updated_at", sa.DateTime(), server_default=sa.func.now(), nullable=False),
        sa.UniqueConstraint(
            "run_id",
            "step_key",
            "attempt",
            name="uk_pipeline_step_run_attempt",
        ),
        mysql_charset="utf8mb4",
    )
    op.create_index(
        "idx_pipeline_step_claim",
        "pipeline_step_run",
        ["status", "next_retry_at", "step_order"],
    )
    op.create_index(
        "idx_pipeline_step_run",
        "pipeline_step_run",
        ["run_id", "step_order", "attempt"],
    )
    op.create_index(
        "idx_pipeline_step_lease",
        "pipeline_step_run",
        ["status", "lease_until"],
    )

    op.create_table(
        "pipeline_lock",
        sa.Column("lock_key", sa.String(191), primary_key=True),
        sa.Column("owner_run_id", sa.String(36), nullable=False),
        sa.Column("owner_instance", sa.String(191), nullable=False),
        sa.Column("lease_until", sa.DateTime(), nullable=False),
        sa.Column("heartbeat_at", sa.DateTime(), nullable=False),
        sa.Column("version", sa.BigInteger(), nullable=False),
        sa.Column("created_at", sa.DateTime(), server_default=sa.func.now(), nullable=False),
        sa.Column("updated_at", sa.DateTime(), server_default=sa.func.now(), nullable=False),
        mysql_charset="utf8mb4",
    )
    pipeline_lock = sa.table(
        "pipeline_lock",
        sa.column("lock_key", sa.String()),
        sa.column("owner_run_id", sa.String()),
        sa.column("owner_instance", sa.String()),
        sa.column("lease_until", sa.DateTime()),
        sa.column("heartbeat_at", sa.DateTime()),
        sa.column("version", sa.BigInteger()),
    )
    epoch = datetime(1970, 1, 1)
    op.bulk_insert(
        pipeline_lock,
        [
            {
                "lock_key": "pipeline:claim_guard",
                "owner_run_id": "control-plane",
                "owner_instance": "claim-coordinator",
                "lease_until": epoch,
                "heartbeat_at": epoch,
                "version": 1,
            }
        ],
    )

    op.create_table(
        "pipeline_outbox",
        sa.Column("outbox_id", sa.String(36), primary_key=True),
        sa.Column(
            "run_id",
            sa.String(36),
            sa.ForeignKey("pipeline_run.run_id", ondelete="CASCADE"),
            nullable=False,
        ),
        sa.Column(
            "step_run_id",
            sa.String(36),
            sa.ForeignKey("pipeline_step_run.step_run_id", ondelete="CASCADE"),
            nullable=False,
        ),
        sa.Column("effect_type", sa.String(64), nullable=False),
        sa.Column("idempotency_key", sa.String(191), nullable=False),
        sa.Column("payload_hash", sa.String(64), nullable=False),
        sa.Column("payload_json", sa.JSON(), nullable=True),
        sa.Column("payload_uri", sa.String(1024), nullable=True),
        sa.Column("status", sa.String(32), nullable=False),
        sa.Column("dry_run", sa.Boolean(), nullable=False),
        sa.Column("record_error", sa.Text(), nullable=True),
        sa.Column("created_at", sa.DateTime(), server_default=sa.func.now(), nullable=False),
        sa.Column("updated_at", sa.DateTime(), server_default=sa.func.now(), nullable=False),
        sa.UniqueConstraint(
            "idempotency_key",
            name="uk_pipeline_outbox_idempotency",
        ),
        mysql_charset="utf8mb4",
    )
    op.create_index(
        "idx_pipeline_outbox_run",
        "pipeline_outbox",
        ["run_id", "step_run_id"],
    )
    op.create_index(
        "idx_pipeline_outbox_status",
        "pipeline_outbox",
        ["status", "created_at"],
    )

    op.create_table(
        "agent_document_injection",
        sa.Column("id", sa.BigInteger(), autoincrement=True, nullable=False),
        sa.Column(
            "agent_name",
            sa.String(length=128),
            nullable=False,
            comment="Agent name",
        ),
        sa.Column(
            "content",
            sa.Text().with_variant(mysql.LONGTEXT(), "mysql"),
            nullable=False,
            comment="Document content injected after the base system prompt",
        ),
        sa.Column(
            "enabled",
            sa.Integer(),
            server_default=sa.text("1"),
            nullable=False,
            comment="Whether the document injection is active",
        ),
        sa.Column(
            "create_time",
            sa.DateTime(),
            server_default=sa.func.now(),
            nullable=False,
        ),
        sa.Column(
            "update_time",
            sa.DateTime(),
            server_default=sa.func.now(),
            nullable=False,
        ),
        sa.PrimaryKeyConstraint("id"),
        sa.UniqueConstraint(
            "agent_name",
            name="uk_agent_document_injection_agent_name",
        ),
        mysql_charset="utf8mb4",
    )
    op.create_index(
        "ix_agent_document_injection_agent_name",
        "agent_document_injection",
        ["agent_name"],
    )


def downgrade() -> None:
    op.drop_index(
        "ix_agent_document_injection_agent_name",
        table_name="agent_document_injection",
    )
    op.drop_table("agent_document_injection")
    op.drop_index("idx_pipeline_outbox_status", table_name="pipeline_outbox")
    op.drop_index("idx_pipeline_outbox_run", table_name="pipeline_outbox")
    op.drop_table("pipeline_outbox")
    op.drop_table("pipeline_lock")
    op.drop_index("idx_pipeline_step_lease", table_name="pipeline_step_run")
    op.drop_index("idx_pipeline_step_run", table_name="pipeline_step_run")
    op.drop_index("idx_pipeline_step_claim", table_name="pipeline_step_run")
    op.drop_table("pipeline_step_run")
    op.drop_index("idx_pipeline_run_deadline", table_name="pipeline_run")
    op.drop_index("idx_pipeline_run_status", table_name="pipeline_run")
    op.drop_index("idx_pipeline_run_biz", table_name="pipeline_run")
    op.drop_table("pipeline_run")