"""Phase 16 Chart of Accounts / Ledger & Group intelligence.

Revision ID: 20260823_chart_of_accounts_p16
Revises: 20260822_sales_customer_learning_p15
"""
from alembic import op
import sqlalchemy as sa


revision = "20260823_chart_of_accounts_p16"
down_revision = "20260822_sales_customer_learning_p15"
branch_labels = None
depends_on = None


def upgrade():
    op.create_table(
        "accounting_chart_sync_runs",
        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("tally_guid", sa.String(120), nullable=False),
        sa.Column("company_name", sa.String(255), nullable=False, server_default=""),
        sa.Column("status", sa.String(30), nullable=False, server_default="completed"),
        sa.Column("group_count", sa.Integer(), nullable=False, server_default="0"),
        sa.Column("ledger_count", sa.Integer(), nullable=False, server_default="0"),
        sa.Column("classified_count", sa.Integer(), nullable=False, server_default="0"),
        sa.Column("review_count", sa.Integer(), nullable=False, server_default="0"),
        sa.Column("requested_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()),
    )
    for name in ("tenant_id", "client_id", "tally_guid", "status", "created_at_utc"):
        op.create_index(f"ix_accounting_chart_sync_runs_{name}", "accounting_chart_sync_runs", [name])

    op.create_table(
        "accounting_chart_groups",
        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("tally_guid", sa.String(120), nullable=False),
        sa.Column("company_name", sa.String(255), nullable=False, server_default=""),
        sa.Column("master_guid", sa.String(120), nullable=False, server_default=""),
        sa.Column("name", sa.String(255), nullable=False),
        sa.Column("parent_name", sa.String(255), nullable=False, server_default=""),
        sa.Column("root_group_name", sa.String(255), nullable=False, server_default=""),
        sa.Column("depth", sa.Integer(), nullable=False, server_default="0"),
        sa.Column("reserved_name", sa.String(255), nullable=False, server_default=""),
        sa.Column("is_revenue", sa.String(30), nullable=False, server_default=""),
        sa.Column("is_deemed_positive", sa.String(30), nullable=False, server_default=""),
        sa.Column("source_payload_json", sa.Text(), nullable=False, server_default="{}"),
        sa.Column("synced_at_utc", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()),
        sa.UniqueConstraint("tenant_id", "client_id", "tally_guid", "name", name="uq_accounting_chart_group_name"),
    )
    for name in ("tenant_id", "client_id", "tally_guid", "master_guid", "name", "parent_name", "root_group_name", "synced_at_utc"):
        op.create_index(f"ix_accounting_chart_groups_{name}", "accounting_chart_groups", [name])

    op.create_table(
        "accounting_chart_ledgers",
        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("tally_guid", sa.String(120), nullable=False),
        sa.Column("company_name", sa.String(255), nullable=False, server_default=""),
        sa.Column("master_guid", sa.String(120), nullable=False, server_default=""),
        sa.Column("name", sa.String(255), nullable=False),
        sa.Column("parent_group_name", sa.String(255), nullable=False, server_default=""),
        sa.Column("root_group_name", sa.String(255), nullable=False, server_default=""),
        sa.Column("opening_balance", sa.Float(), nullable=False, server_default="0"),
        sa.Column("closing_balance", sa.Float(), nullable=False, server_default="0"),
        sa.Column("is_billwise_on", sa.String(30), nullable=False, server_default=""),
        sa.Column("tax_type", sa.String(80), nullable=False, server_default=""),
        sa.Column("gst_applicable", sa.String(80), nullable=False, server_default=""),
        sa.Column("gst_registration_type", sa.String(80), nullable=False, server_default=""),
        sa.Column("gst_type_of_supply", sa.String(80), nullable=False, server_default=""),
        sa.Column("hsn_code", sa.String(40), nullable=False, server_default=""),
        sa.Column("party_gstin", sa.String(20), nullable=False, server_default=""),
        sa.Column("suggested_role_code", sa.String(50), nullable=False, server_default="REVIEW"),
        sa.Column("suggested_confidence", sa.Integer(), nullable=False, server_default="0"),
        sa.Column("suggestion_reason", sa.Text(), nullable=False, server_default=""),
        sa.Column("manual_role_code", sa.String(50), nullable=False, server_default=""),
        sa.Column("manual_note", sa.Text(), nullable=False, server_default=""),
        sa.Column("manual_by_user_id", sa.Integer(), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True),
        sa.Column("manual_at_utc", sa.DateTime(timezone=True), nullable=True),
        sa.Column("source_payload_json", sa.Text(), nullable=False, server_default="{}"),
        sa.Column("synced_at_utc", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()),
        sa.UniqueConstraint("tenant_id", "client_id", "tally_guid", "name", name="uq_accounting_chart_ledger_name"),
    )
    for name in (
        "tenant_id", "client_id", "tally_guid", "master_guid", "name",
        "parent_group_name", "root_group_name", "party_gstin",
        "suggested_role_code", "manual_role_code", "synced_at_utc",
    ):
        op.create_index(f"ix_accounting_chart_ledgers_{name}", "accounting_chart_ledgers", [name])


def downgrade():
    op.drop_table("accounting_chart_ledgers")
    op.drop_table("accounting_chart_groups")
    op.drop_table("accounting_chart_sync_runs")