import frappe


def get_inventory_dimensions():
	return frappe.get_all(
		"Inventory Dimension",
		fields=[
			"target_fieldname as fieldname",
			"source_fieldname",
			"reference_document as doctype",
			"reqd",
			"mandatory_depends_on",
		],
		order_by="creation",
		distinct=True,
	)


def get_display_depends_on(doctype, fieldname):
	if doctype not in [
		"Stock Entry Detail",
		"Sales Invoice Item",
		"Delivery Note Item",
		"Purchase Invoice Item",
		"Purchase Receipt Item",
	]:
		return None, None

	fieldname_start_with = "to"
	display_depends_on = ""

	if doctype in ["Purchase Invoice Item", "Purchase Receipt Item"]:
		display_depends_on = "eval:parent.is_internal_supplier == 1"
		fieldname_start_with = "from"
	elif doctype != "Stock Entry Detail":
		display_depends_on = "eval:parent.is_internal_customer == 1"
	elif doctype == "Stock Entry Detail":
		display_depends_on = "eval:doc.t_warehouse"

	return f"{fieldname_start_with}_{fieldname}", display_depends_on


def execute():
	for dimension in get_inventory_dimensions():
		if frappe.db.exists(
			"Custom Field", {"fieldname": dimension.source_fieldname, "dt": "Stock Entry Detail"}
		):
			frappe.set_value(
				"Custom Field",
				{"fieldname": dimension.source_fieldname, "dt": "Stock Entry Detail"},
				"depends_on",
				"eval:doc.s_warehouse",
			)
		if frappe.db.exists(
			"Custom Field", {"fieldname": dimension.source_fieldname, "dt": "Stock Entry Detail", "reqd": 1}
		):
			frappe.set_value(
				"Custom Field",
				{"fieldname": dimension.source_fieldname, "dt": "Stock Entry Detail", "reqd": 1},
				{"mandatory_depends_on": "eval:doc.s_warehouse", "reqd": 0},
			)
		if frappe.db.exists(
			"Custom Field",
			{
				"fieldname": f"to_{dimension.fieldname}",
				"dt": "Stock Entry Detail",
				"depends_on": "eval:parent.purpose != 'Material Issue'",
			},
		):
			frappe.set_value(
				"Custom Field",
				{
					"fieldname": f"to_{dimension.fieldname}",
					"dt": "Stock Entry Detail",
					"depends_on": "eval:parent.purpose != 'Material Issue'",
				},
				"depends_on",
				"eval:doc.t_warehouse",
			)
		fieldname, display_depends_on = get_display_depends_on(dimension.doctype, dimension.fieldname)
		if display_depends_on and frappe.db.exists(
			"Custom Field", {"fieldname": fieldname, "dt": dimension.doctype}
		):
			frappe.set_value(
				"Custom Field",
				{"fieldname": fieldname, "dt": dimension.doctype},
				"mandatory_depends_on",
				display_depends_on if dimension.reqd else dimension.mandatory_depends_on,
			)