"""Initial OrbitWard schema.

Revision ID: 20260522_0001
Revises:
Create Date: 2026-05-22
"""

from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa

revision: str = "20260522_0001"
down_revision: Union[str, None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.create_table(
        "users",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("email", sa.String(length=320), nullable=False, unique=True, index=True),
        sa.Column("display_name", sa.String(length=120), nullable=False),
        sa.Column("hashed_password", sa.String(length=255), nullable=False),
        sa.Column("role", sa.String(length=32), nullable=False, server_default="owner"),
        sa.Column("is_active", sa.Boolean(), nullable=False, server_default=sa.text("true")),
        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(
        "assets",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("name", sa.String(length=160), nullable=False),
        sa.Column("asset_type", sa.String(length=64), nullable=False),
        sa.Column("address", sa.String(length=255), nullable=True),
        sa.Column("status", sa.String(length=32), nullable=False, server_default="unknown"),
        sa.Column("metadata", sa.JSON(), nullable=False, server_default=sa.text("'{}'::json")),
        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(
        "credentials",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("name", sa.String(length=160), nullable=False),
        sa.Column("credential_type", sa.String(length=64), nullable=False),
        sa.Column("encrypted_secret", sa.Text(), nullable=True),
        sa.Column("metadata", sa.JSON(), nullable=False, server_default=sa.text("'{}'::json")),
        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(
        "notification_channels",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("name", sa.String(length=160), nullable=False),
        sa.Column("channel_type", sa.String(length=64), nullable=False),
        sa.Column("settings", sa.JSON(), nullable=False, server_default=sa.text("'{}'::json")),
        sa.Column("encrypted_secret", sa.Text(), nullable=True),
        sa.Column("is_enabled", sa.Boolean(), nullable=False, server_default=sa.text("true")),
        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(
        "monitors",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("asset_id", sa.Integer(), sa.ForeignKey("assets.id", ondelete="CASCADE"), nullable=True),
        sa.Column("name", sa.String(length=160), nullable=False),
        sa.Column("monitor_type", sa.String(length=64), nullable=False),
        sa.Column("target", sa.String(length=512), nullable=False),
        sa.Column("config", sa.JSON(), nullable=False, server_default=sa.text("'{}'::json")),
        sa.Column("interval_seconds", sa.Integer(), nullable=False, server_default="60"),
        sa.Column("status", sa.String(length=32), nullable=False, server_default="unknown"),
        sa.Column("last_checked_at", sa.DateTime(timezone=True), nullable=True),
        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(
        "alert_rules",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("monitor_id", sa.Integer(), sa.ForeignKey("monitors.id", ondelete="CASCADE"), nullable=False),
        sa.Column("name", sa.String(length=160), nullable=False),
        sa.Column("severity", sa.String(length=32), nullable=False, server_default="warning"),
        sa.Column("condition", sa.JSON(), nullable=False, server_default=sa.text("'{}'::json")),
        sa.Column("failure_threshold", sa.Integer(), nullable=False, server_default="3"),
        sa.Column("cooldown_seconds", sa.Integer(), nullable=False, server_default="300"),
        sa.Column("is_enabled", sa.Boolean(), nullable=False, server_default=sa.text("true")),
        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(
        "check_results",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("monitor_id", sa.Integer(), sa.ForeignKey("monitors.id", ondelete="CASCADE"), nullable=False),
        sa.Column("status", sa.String(length=32), nullable=False),
        sa.Column("response_time_ms", sa.Integer(), nullable=True),
        sa.Column("message", sa.Text(), nullable=True),
        sa.Column("observed_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
    )
    op.create_table(
        "metrics",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("monitor_id", sa.Integer(), sa.ForeignKey("monitors.id", ondelete="CASCADE"), nullable=False),
        sa.Column("name", sa.String(length=120), nullable=False),
        sa.Column("value", sa.Float(), nullable=False),
        sa.Column("unit", sa.String(length=32), nullable=True),
        sa.Column("observed_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
    )
    op.create_table(
        "incidents",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("asset_id", sa.Integer(), sa.ForeignKey("assets.id", ondelete="SET NULL"), nullable=True),
        sa.Column("monitor_id", sa.Integer(), sa.ForeignKey("monitors.id", ondelete="SET NULL"), nullable=True),
        sa.Column("alert_rule_id", sa.Integer(), sa.ForeignKey("alert_rules.id", ondelete="SET NULL"), nullable=True),
        sa.Column("title", sa.String(length=240), nullable=False),
        sa.Column("severity", sa.String(length=32), nullable=False),
        sa.Column("status", sa.String(length=32), nullable=False, server_default="open"),
        sa.Column("opened_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
        sa.Column("resolved_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("acknowledged_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("silenced_until", sa.DateTime(timezone=True), nullable=True),
        sa.Column("details", sa.JSON(), nullable=False, server_default=sa.text("'{}'::json")),
    )
    op.create_table(
        "audit_events",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("actor_user_id", sa.Integer(), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True),
        sa.Column("event_type", sa.String(length=120), nullable=False),
        sa.Column("target_type", sa.String(length=120), nullable=True),
        sa.Column("target_id", sa.String(length=120), nullable=True),
        sa.Column("details", sa.JSON(), nullable=False, server_default=sa.text("'{}'::json")),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
    )


def downgrade() -> None:
    op.drop_table("audit_events")
    op.drop_table("incidents")
    op.drop_table("metrics")
    op.drop_table("check_results")
    op.drop_table("alert_rules")
    op.drop_table("monitors")
    op.drop_table("notification_channels")
    op.drop_table("credentials")
    op.drop_table("assets")
    op.drop_table("users")