"""Initial database schema for Homelab Automation

Revision ID: 0001_initial
Revises: 
Create Date: 2025-12-04
"""

from __future__ import annotations

from alembic import op
import sqlalchemy as sa

# revision identifiers, used by Alembic.
revision = "0001_initial"
down_revision = None
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        "hosts",
        sa.Column("id", sa.String(), primary_key=True),
        sa.Column("name", sa.String(), nullable=False),
        sa.Column("ip_address", sa.String(), nullable=False, unique=True),
        sa.Column("status", sa.String(), nullable=False, server_default=sa.text("'unknown'")),
        sa.Column("ansible_group", sa.String(), nullable=True),
        sa.Column("last_seen", sa.DateTime(timezone=True), nullable=True),
        sa.Column("reachable", sa.Boolean(), nullable=False, server_default=sa.text("0")),
        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),
        sa.Column("deleted_at", sa.DateTime(timezone=True), nullable=True),
    )

    op.create_table(
        "bootstrap_status",
        sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
        sa.Column("host_id", sa.String(), sa.ForeignKey("hosts.id", ondelete="CASCADE"), nullable=False),
        sa.Column("status", sa.String(), nullable=False),
        sa.Column("automation_user", sa.String(), nullable=True),
        sa.Column("last_attempt", sa.DateTime(timezone=True), nullable=True),
        sa.Column("error_message", sa.Text(), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
    )

    op.create_table(
        "tasks",
        sa.Column("id", sa.String(), primary_key=True),
        sa.Column("action", sa.String(), nullable=False),
        sa.Column("target", sa.String(), nullable=False),
        sa.Column("status", sa.String(), nullable=False, server_default=sa.text("'pending'")),
        sa.Column("playbook", sa.String(), nullable=True),
        sa.Column("started_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("completed_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("error_message", sa.Text(), nullable=True),
        sa.Column("result_data", sa.JSON(), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
    )

    op.create_table(
        "schedules",
        sa.Column("id", sa.String(), primary_key=True),
        sa.Column("name", sa.String(), nullable=False),
        sa.Column("playbook", sa.String(), nullable=False),
        sa.Column("target", sa.String(), nullable=False),
        sa.Column("schedule_type", sa.String(), nullable=False),
        sa.Column("schedule_time", sa.DateTime(timezone=True), nullable=True),
        sa.Column("recurrence_type", sa.String(), nullable=True),
        sa.Column("recurrence_time", sa.String(), nullable=True),
        sa.Column("recurrence_days", sa.Text(), nullable=True),
        sa.Column("cron_expression", sa.String(), nullable=True),
        sa.Column("enabled", sa.Boolean(), nullable=False, server_default=sa.text("1")),
        sa.Column("tags", sa.Text(), nullable=True),
        sa.Column("next_run", sa.DateTime(timezone=True), nullable=True),
        sa.Column("last_run", 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),
        sa.Column("deleted_at", sa.DateTime(timezone=True), nullable=True),
    )

    op.create_table(
        "schedule_runs",
        sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
        sa.Column("schedule_id", sa.String(), sa.ForeignKey("schedules.id", ondelete="CASCADE"), nullable=False),
        sa.Column("task_id", sa.String(), sa.ForeignKey("tasks.id", ondelete="SET NULL"), nullable=True),
        sa.Column("status", sa.String(), nullable=False),
        sa.Column("started_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("completed_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("duration", sa.Float(), nullable=True),
        sa.Column("error_message", sa.Text(), nullable=True),
        sa.Column("output", sa.Text(), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
    )

    op.create_table(
        "logs",
        sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
        sa.Column("level", sa.String(), nullable=False),
        sa.Column("source", sa.String(), nullable=True),
        sa.Column("message", sa.Text(), nullable=False),
        sa.Column("details", sa.JSON(), nullable=True),
        sa.Column("host_id", sa.String(), sa.ForeignKey("hosts.id", ondelete="SET NULL"), nullable=True),
        sa.Column("task_id", sa.String(), sa.ForeignKey("tasks.id", ondelete="SET NULL"), nullable=True),
        sa.Column("schedule_id", sa.String(), sa.ForeignKey("schedules.id", ondelete="SET NULL"), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
    )

    op.create_index("idx_logs_created_at", "logs", ["created_at"])
    op.create_index("idx_logs_level", "logs", ["level"])
    op.create_index("idx_logs_source", "logs", ["source"])


def downgrade() -> None:
    op.drop_index("idx_logs_source", table_name="logs")
    op.drop_index("idx_logs_level", table_name="logs")
    op.drop_index("idx_logs_created_at", table_name="logs")
    op.drop_table("logs")
    op.drop_table("schedule_runs")
    op.drop_table("schedules")
    op.drop_table("tasks")
    op.drop_table("bootstrap_status")
    op.drop_table("hosts")