"""Phase 14 Sales & Income foundation.

Revision ID: 20260822_sales_income_foundation_p14
Revises: 20260822_internal_accounting_model_p13
"""
from alembic import op
import sqlalchemy as sa


revision = "20260822_sales_income_foundation_p14"
down_revision = "20260822_internal_accounting_model_p13"
branch_labels = None
depends_on = None


def upgrade():
    op.create_table(
        "accounting_sales_income_transactions",
        sa.Column("id", sa.Integer(), primary_key=True),
        sa.Column("tenant_id", sa.Integer(), sa.ForeignKey("tenants.id", ondelete="CASCADE"), nullable=False),
        sa.Column("client_id", sa.Integer(), sa.ForeignKey("clients.id", ondelete="CASCADE"), nullable=False),
        sa.Column("source_type", sa.String(30), nullable=False, server_default="outward_import"),
        sa.Column("source_file_name", sa.String(255), nullable=False, server_default=""),
        sa.Column("fingerprint", sa.String(80), nullable=False),
        sa.Column("return_period", sa.String(20), nullable=False, server_default=""),
        sa.Column("document_type", sa.String(40), nullable=False, server_default="Invoice"),
        sa.Column("invoice_number", sa.String(120), nullable=False, server_default=""),
        sa.Column("invoice_date", sa.String(20), nullable=False, server_default=""),
        sa.Column("customer_name", sa.String(255), nullable=False, server_default=""),
        sa.Column("customer_gstin", sa.String(20), nullable=False, server_default=""),
        sa.Column("place_of_supply", sa.String(120), nullable=False, server_default=""),
        sa.Column("supply_type", sa.String(60), nullable=False, server_default=""),
        sa.Column("export_type", sa.String(60), nullable=False, server_default=""),
        sa.Column("hsn_code", sa.String(20), nullable=False, server_default=""),
        sa.Column("description_text", sa.Text(), nullable=False, server_default=""),
        sa.Column("taxable_value", sa.Float(), nullable=False, server_default="0"),
        sa.Column("cgst", sa.Float(), nullable=False, server_default="0"),
        sa.Column("sgst", sa.Float(), nullable=False, server_default="0"),
        sa.Column("igst", sa.Float(), nullable=False, server_default="0"),
        sa.Column("cess", sa.Float(), nullable=False, server_default="0"),
        sa.Column("invoice_value", sa.Float(), nullable=False, server_default="0"),
        sa.Column("suggested_nature_id", sa.Integer(), sa.ForeignKey("accounting_natures.id", ondelete="SET NULL"), nullable=True),
        sa.Column("suggested_ledger_name", sa.String(255), nullable=False, server_default=""),
        sa.Column("suggested_confidence", sa.Integer(), nullable=False, server_default="0"),
        sa.Column("suggestion_reason", sa.Text(), nullable=True),
        sa.Column("review_status", sa.String(30), nullable=False, server_default="pending"),
        sa.Column("final_nature_id", sa.Integer(), sa.ForeignKey("accounting_natures.id", ondelete="SET NULL"), nullable=True),
        sa.Column("final_ledger_name", sa.String(255), nullable=False, server_default=""),
        sa.Column("review_note", sa.Text(), nullable=True),
        sa.Column("reviewed_by_user_id", sa.Integer(), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True),
        sa.Column("reviewed_at_utc", sa.DateTime(timezone=True), nullable=True),
        sa.Column("created_by_user_id", sa.Integer(), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True),
        sa.Column("created_at_utc", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()),
        sa.Column("updated_at_utc", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()),
        sa.UniqueConstraint(
            "tenant_id",
            "client_id",
            "fingerprint",
            name="uq_accounting_sales_income_fingerprint",
        ),
    )

    for name in (
        "tenant_id", "client_id", "source_type", "fingerprint", "return_period",
        "document_type", "invoice_number", "invoice_date", "customer_name",
        "customer_gstin", "hsn_code", "suggested_nature_id", "review_status",
        "final_nature_id", "created_at_utc",
    ):
        op.create_index(
            f"ix_accounting_sales_income_transactions_{name}",
            "accounting_sales_income_transactions",
            [name],
        )


def downgrade():
    op.drop_table("accounting_sales_income_transactions")