"""Initial

Revision ID: dae12d7f4ddf
Revises: 
Create Date: 2025-10-28 22:06:45.637836+00:00

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = 'dae12d7f4ddf'
down_revision: Union[str, Sequence[str], None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('devices',
    sa.Column('id', sa.Text(), nullable=False),
    sa.Column('name', sa.Text(), nullable=False),
    sa.Column('location', sa.Text(), nullable=True),
    sa.Column('is_active', sa.Boolean(), nullable=True),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_table('telemetry',
    sa.Column('time', sa.DateTime(timezone=True), nullable=False),
    sa.Column('device_id', sa.Text(), nullable=False),
    sa.Column('metric', sa.Text(), nullable=False),
    sa.Column('value', sa.Float(), nullable=False),
    sa.Column('unit', sa.Text(), nullable=True),
    sa.ForeignKeyConstraint(['device_id'], ['devices.id'], ),
    sa.PrimaryKeyConstraint('time', 'device_id', 'metric')
    )
    op.create_index('idx_telemetry_device_time', 'telemetry', ['device_id', 'time'], unique=False)
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index('idx_telemetry_device_time', table_name='telemetry')
    op.drop_table('telemetry')
    op.drop_table('devices')
    # ### end Alembic commands ###