"""Add pemindahan_produk table.

Revision ID: r4b5c6d7e8f9
Revises: q3a4b5c6d7e8
Create Date: 2026-04-03
"""

from alembic import op
import sqlalchemy as sa

revision = "r4b5c6d7e8f9"
down_revision = "q3a4b5c6d7e8"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        "pemindahan_produk",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("spbu_id", sa.Integer(), sa.ForeignKey("master_spbu.id", ondelete="CASCADE"), nullable=False),
        sa.Column("tanggal", sa.Date(), nullable=False),
        sa.Column("jam", sa.Time(), nullable=True),
        sa.Column("tangki_sumber_id", sa.Integer(), sa.ForeignKey("master_spbu_tangki.id", ondelete="RESTRICT"), nullable=False),
        sa.Column("produk_lama_id", sa.Integer(), sa.ForeignKey("master_produk.id", ondelete="SET NULL"), nullable=True),
        sa.Column("tangki_tujuan_id", sa.Integer(), sa.ForeignKey("master_spbu_tangki.id", ondelete="RESTRICT"), nullable=False),
        sa.Column("volume_sumber_sebelum", sa.Numeric(15, 3), nullable=False, server_default="0"),
        sa.Column("volume_tujuan_sebelum", sa.Numeric(15, 3), nullable=False, server_default="0"),
        sa.Column("volume_tujuan_sesudah", sa.Numeric(15, 3), nullable=False, server_default="0"),
        sa.Column("volume_masuk", sa.Numeric(15, 3), nullable=False, server_default="0"),
        sa.Column("losses_transfer", sa.Numeric(15, 3), nullable=False, server_default="0"),
        sa.Column("catatan", sa.Text(), nullable=True),
        sa.Column("dilakukan_oleh", sa.Integer(), sa.ForeignKey("master_user.id", ondelete="SET NULL"), 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(), onupdate=sa.func.now(), nullable=False),
    )
    op.create_index("ix_pemindahan_spbu_id", "pemindahan_produk", ["spbu_id"])


def downgrade() -> None:
    op.drop_index("ix_pemindahan_spbu_id", table_name="pemindahan_produk")
    op.drop_table("pemindahan_produk")