# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# License: MIT. See LICENSE
"""
Sync's doctype and docfields from txt files to database
perms will get synced only if none exist
"""

import os

import frappe
from frappe.cache_manager import clear_controller_cache
from frappe.model.base_document import get_controller
from frappe.modules.import_file import import_file_by_path
from frappe.modules.patch_handler import _patch_mode
from frappe.utils import update_progress_bar

IMPORTABLE_DOCTYPES = [
	("core", "doctype"),
	("core", "page"),
	("core", "report"),
	("desk", "dashboard_chart_source"),
	("printing", "print_format"),
	("website", "web_page"),
	("website", "website_theme"),
	("website", "web_form"),
	("website", "web_template"),
	("email", "notification"),
	("printing", "print_style"),
	("desk", "workspace"),
	("desk", "onboarding_step"),
	("desk", "module_onboarding"),
	("desk", "form_tour"),
	("custom", "client_script"),
	("core", "server_script"),
	("custom", "custom_field"),
	("custom", "property_setter"),
]


def sync_all(force=0, reset_permissions=False):
	_patch_mode(True)

	for app in frappe.get_installed_apps():
		sync_for(app, force, reset_permissions=reset_permissions)

	_patch_mode(False)

	frappe.clear_cache()


def sync_for(app_name, force=0, reset_permissions=False):
	files = []

	if app_name == "frappe":
		# these need to go first at time of install

		FRAPPE_PATH = frappe.get_app_path("frappe")

		for core_module in [
			"docfield",
			"docperm",
			"doctype_action",
			"doctype_link",
			"doctype_state",
			"role",
			"has_role",
			"doctype",
		]:
			files.append(os.path.join(FRAPPE_PATH, "core", "doctype", core_module, f"{core_module}.json"))

		for custom_module in ["custom_field", "property_setter"]:
			files.append(
				os.path.join(FRAPPE_PATH, "custom", "doctype", custom_module, f"{custom_module}.json")
			)

		for website_module in ["web_form", "web_template", "web_form_field", "portal_menu_item"]:
			files.append(
				os.path.join(FRAPPE_PATH, "website", "doctype", website_module, f"{website_module}.json")
			)

		for desk_module in [
			"number_card",
			"dashboard_chart",
			"dashboard",
			"onboarding_permission",
			"onboarding_step",
			"onboarding_step_map",
			"module_onboarding",
			"workspace_link",
			"workspace_chart",
			"workspace_shortcut",
			"workspace_quick_list",
			"workspace_number_card",
			"workspace_custom_block",
			"workspace",
		]:
			files.append(os.path.join(FRAPPE_PATH, "desk", "doctype", desk_module, f"{desk_module}.json"))

		for module_name, document_type in IMPORTABLE_DOCTYPES:
			file = os.path.join(FRAPPE_PATH, module_name, "doctype", document_type, f"{document_type}.json")
			if file not in files:
				files.append(file)

	for module_name in frappe.local.app_modules.get(app_name) or []:
		folder = os.path.dirname(frappe.get_module(app_name + "." + module_name).__file__)
		files = get_doc_files(files=files, start_path=folder)

	l = len(files)

	if l:
		for i, doc_path in enumerate(files):
			import_file_by_path(
				doc_path, force=force, ignore_version=True, reset_permissions=reset_permissions
			)

			frappe.db.commit()

			# show progress bar
			update_progress_bar(f"Updating DocTypes for {app_name}", i, l)

		# print each progress bar on new line
		print()


def get_doc_files(files, start_path):
	"""walk and sync all doctypes and pages"""

	files = files or []

	for _module, doctype in IMPORTABLE_DOCTYPES + [
		(None, frappe.scrub(dt)) for dt in frappe.get_hooks("importable_doctypes")
	]:
		doctype_path = os.path.join(start_path, doctype)
		if os.path.exists(doctype_path):
			for docname in os.listdir(doctype_path):
				if os.path.isdir(os.path.join(doctype_path, docname)):
					doc_path = os.path.join(doctype_path, docname, docname) + ".json"
					if os.path.exists(doc_path):
						if doc_path not in files:
							files.append(doc_path)

	return files


def remove_orphan_doctypes():
	"""Find and remove any orphaned doctypes.

	These are doctypes for which code and schema file is
	deleted but entry is present in DocType table.

	Note: Deleting the entry doesn't delete any data.
	So this is supposed to be non-destrictive operation.
	"""

	doctype_names = frappe.get_all("DocType", {"custom": 0}, pluck="name")
	orphan_doctypes = []

	clear_controller_cache()
	class_overrides = frappe.get_hooks("override_doctype_class", {})

	for doctype in doctype_names:
		if doctype in class_overrides:
			continue
		try:
			get_controller(doctype=doctype)
		except (ImportError, frappe.DoesNotExistError):
			orphan_doctypes.append(doctype)
		except Exception:
			continue

	if not orphan_doctypes:
		return

	print(f"Orphaned DocType(s) found: {', '.join(orphan_doctypes)}")
	for i, name in enumerate(orphan_doctypes):
		frappe.delete_doc("DocType", name, force=True, ignore_missing=True)
		update_progress_bar("Deleting orphaned DocTypes", i, len(orphan_doctypes))
	frappe.db.commit()
	print()