"""Add maintenance tables

Revision ID: 007_maintenance
Revises: 006_pricing
Create Date: 2026-04-03
"""
from alembic import op
import sqlalchemy as sa

revision = "007_maintenance"
down_revision = "006_pricing"
branch_labels = None
depends_on = None


def upgrade() -> None:
    # --- inspection_plans ---
    op.create_table(
        "inspection_plans",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("name", sa.String(200), nullable=False),
        sa.Column("description", sa.Text),
        sa.Column("device_group_id", sa.Integer, sa.ForeignKey("device_groups.id")),
        sa.Column("device_ids", sa.JSON),
        sa.Column("schedule_type", sa.String(20)),
        sa.Column("schedule_cron", sa.String(100)),
        sa.Column("inspector_id", sa.Integer, sa.ForeignKey("users.id")),
        sa.Column("checklist", sa.JSON),
        sa.Column("is_active", sa.Boolean, default=True),
        sa.Column("next_run_at", sa.DateTime(timezone=True)),
        sa.Column("created_by", sa.Integer, sa.ForeignKey("users.id")),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
        sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )

    # --- inspection_records ---
    op.create_table(
        "inspection_records",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("plan_id", sa.Integer, sa.ForeignKey("inspection_plans.id"), nullable=False),
        sa.Column("inspector_id", sa.Integer, sa.ForeignKey("users.id"), nullable=False),
        sa.Column("status", sa.String(20), default="pending"),
        sa.Column("findings", sa.JSON),
        sa.Column("started_at", sa.DateTime(timezone=True)),
        sa.Column("completed_at", sa.DateTime(timezone=True)),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )

    # --- repair_orders ---
    op.create_table(
        "repair_orders",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("code", sa.String(50), unique=True, nullable=False),
        sa.Column("title", sa.String(200), nullable=False),
        sa.Column("description", sa.Text),
        sa.Column("device_id", sa.Integer, sa.ForeignKey("devices.id")),
        sa.Column("alarm_event_id", sa.Integer, sa.ForeignKey("alarm_events.id")),
        sa.Column("priority", sa.String(20), default="medium"),
        sa.Column("status", sa.String(20), default="open"),
        sa.Column("assigned_to", sa.Integer, sa.ForeignKey("users.id")),
        sa.Column("resolution", sa.Text),
        sa.Column("cost_estimate", sa.Float),
        sa.Column("actual_cost", sa.Float),
        sa.Column("created_by", sa.Integer, sa.ForeignKey("users.id")),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
        sa.Column("assigned_at", sa.DateTime(timezone=True)),
        sa.Column("completed_at", sa.DateTime(timezone=True)),
        sa.Column("closed_at", sa.DateTime(timezone=True)),
    )

    # --- duty_schedules ---
    op.create_table(
        "duty_schedules",
        sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
        sa.Column("user_id", sa.Integer, sa.ForeignKey("users.id"), nullable=False),
        sa.Column("duty_date", sa.DateTime(timezone=True), nullable=False),
        sa.Column("shift", sa.String(20)),
        sa.Column("area_id", sa.Integer, sa.ForeignKey("device_groups.id")),
        sa.Column("notes", sa.Text),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )


def downgrade() -> None:
    op.drop_table("duty_schedules")
    op.drop_table("repair_orders")
    op.drop_table("inspection_records")
    op.drop_table("inspection_plans")