# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# License: GNU General Public License v3. See license.txt


import frappe
from frappe import _
from frappe.utils import getdate, nowdate


def execute(filters=None):
	if not filters:
		filters = {}

	columns = get_columns()
	data = get_entries(filters)

	return columns, data


def get_columns():
	columns = [
		{
			"label": _("Payment Document Type"),
			"fieldname": "payment_document_type",
			"fieldtype": "Data",
			"width": 130,
		},
		{
			"label": _("Payment Entry"),
			"fieldname": "payment_entry",
			"fieldtype": "Dynamic Link",
			"options": "payment_document_type",
			"width": 140,
		},
		{"label": _("Posting Date"), "fieldname": "posting_date", "fieldtype": "Date", "width": 120},
		{"label": _("Cheque/Reference No"), "fieldname": "cheque_no", "width": 120},
		{"label": _("Clearance Date"), "fieldname": "clearance_date", "fieldtype": "Date", "width": 120},
		{
			"label": _("Against Account"),
			"fieldname": "against",
			"fieldtype": "Link",
			"options": "Account",
			"width": 200,
		},
		{"label": _("Amount"), "fieldname": "amount", "fieldtype": "Currency", "width": 120},
	]

	return columns


def get_conditions(filters):
	conditions = ""

	if filters.get("from_date"):
		conditions += " and posting_date>=%(from_date)s"
	if filters.get("to_date"):
		conditions += " and posting_date<=%(to_date)s"

	return conditions


def get_entries(filters):
	entries = []

	# get entries from all the apps
	for method_name in frappe.get_hooks("get_entries_for_bank_clearance_summary"):
		entries += (
			frappe.get_attr(method_name)(
				filters,
			)
			or []
		)

	return sorted(
		entries,
		key=lambda k: k[2].strftime("%H%M%S") or getdate(nowdate()),
	)


def get_entries_for_bank_clearance_summary(filters):
	entries = []

	conditions = get_conditions(filters)

	journal_entries = frappe.db.sql(
		f"""SELECT
			"Journal Entry", jv.name, jv.posting_date, jv.cheque_no,
			jv.clearance_date, jvd.against_account, jvd.debit - jvd.credit
		FROM
			`tabJournal Entry Account` jvd, `tabJournal Entry` jv
		WHERE
			jvd.parent = jv.name and jv.docstatus=1 and jvd.account = %(account)s {conditions}
			order by posting_date DESC, jv.name DESC""",
		filters,
		as_list=1,
	)

	payment_entries = frappe.db.sql(
		f"""SELECT
			"Payment Entry", name, posting_date, reference_no, clearance_date, party,
			if(paid_from=%(account)s, ((paid_amount * -1) - total_taxes_and_charges) , received_amount)
		FROM
			`tabPayment Entry`
		WHERE
			docstatus=1 and (paid_from = %(account)s or paid_to = %(account)s) {conditions}
			order by posting_date DESC, name DESC""",
		filters,
		as_list=1,
	)

	entries = journal_entries + payment_entries

	return entries