import SubPage from './subpage';
import { get_item_card_container_html } from '../components/items_container';
import { get_local_item_card_html } from '../components/item_card';
import { make_search_bar } from '../components/search_bar';
import { get_publishing_header } from '../components/publishing_area';
import { ItemPublishDialog } from '../components/item_publish_dialog';

erpnext.hub.Publish = class Publish extends SubPage {
	make_wrapper() {
		super.make_wrapper();
		this.items_data_to_publish = {};
		this.unpublished_items = [];
		this.fetched_items = [];
		this.fetched_items_dict = {};

		frappe.realtime.on("items-sync", (data) => {
			this.$wrapper.find('.progress-bar').css('width', data.progress_percent+'%');

			if(data.progress_percent === 100 || data.progress_percent === '100') {
				setTimeout(() => {
					hub.settings.sync_in_progress = 0;
					frappe.db.get_doc('Hub Settings')
						.then(doc => {
							hub.settings = doc;
							this.refresh();
						});
				}, 500);
			}
		});
	}

	refresh() {
		if(!hub.settings.sync_in_progress) {
			this.make_publish_ready_state();
		} else {
			this.make_publish_in_progress_state();
		}
	}

	make_publish_ready_state() {
		this.$wrapper.empty();
		this.$wrapper.append(get_publishing_header());

		make_search_bar({
			wrapper: this.$wrapper,
			on_search: keyword => {
				this.search_value = keyword;
				this.get_items_and_render();
			},
			placeholder: __('Search Items')
		});

		this.setup_publishing_events();
		this.show_last_sync_message();
		this.get_items_and_render();
	}

	show_last_sync_message() {
		if(hub.settings.last_sync_datetime) {
			this.show_message(`Last sync was <a href="#marketplace/profile">${comment_when(hub.settings.last_sync_datetime)}</a>.
				<a href="#marketplace/my-products">See your Published Products</a>.`);
		}
	}

	setup_publishing_events() {
		this.$wrapper.find('.publish-items').on('click', () => {
			this.publish_selected_items()
				.then(this.refresh.bind(this))
		});

		this.selected_items_container = this.$wrapper.find('.selected-items');

		this.$current_selected_card = null;

		this.make_publishing_dialog();

		this.$wrapper.on('click', '.hub-card', (e) => {
			const $target = $(e.currentTarget);
			const item_code = $target.attr('data-id');
			this.show_publishing_dialog_for_item(item_code);

			this.$current_selected_card = $target.parent();

		});
	}

	make_publishing_dialog() {
		this.item_publish_dialog = ItemPublishDialog(
			{
				fn: (values) => {
					this.add_item_to_publish(values);
					this.item_publish_dialog.hide();
				}
			},
			{
				fn: () => {
					const values = this.item_publish_dialog.get_values(true);
					this.update_items_data_to_publish(values);
				}
			}
		);
	}

	add_item_to_publish(values) {
		this.update_items_data_to_publish(values);
		this.select_current_card()
	}

	update_items_data_to_publish(values) {
		// Add item additional data
		this.items_data_to_publish[values.item_code] = values;
	}

	select_current_card() {
		this.$current_selected_card.appendTo(this.selected_items_container);
		this.$current_selected_card.find('.hub-card').toggleClass('active');

		this.update_selected_items_count();
	}

	show_publishing_dialog_for_item(item_code) {
		let item_data = this.items_data_to_publish[item_code];

		if(!item_data) { item_data = { item_code }; };

		this.item_publish_dialog.clear();

		const item_doc = this.fetched_items_dict[item_code];
		if(item_doc) {
			this.item_publish_dialog.fields_dict.image_list.set_data(
				item_doc.attachments.map(attachment => attachment.file_url)
			);
		}

		this.item_publish_dialog.set_values(item_data);
		this.item_publish_dialog.show();
	}

	update_selected_items_count() {
		const total_items = this.$wrapper.find('.hub-card.active').length;

		const is_empty = total_items === 0;

		let button_label;
		if (total_items > 0) {
			const more_than_one = total_items > 1;
			button_label = __('Publish {0} item{1}', [total_items, more_than_one ? 's' : '']);
		} else {
			button_label = __('Publish');
		}

		this.$wrapper.find('.publish-items')
			.text(button_label)
			.prop('disabled', is_empty);

		this.$wrapper.find('.publish-area').toggleClass('empty', is_empty);
		this.$wrapper.find('.publish-area').toggleClass('filled', !is_empty);
	}

	make_publish_in_progress_state() {
		this.$wrapper.empty();

		this.$wrapper.append(this.show_publish_progress());

		const subtitle_html = `<p class="text-muted">
			${__(`Only products with an image, description and category can be published.
			Please update them if an item in your inventory does not appear.`)}
		</p>`;

		this.$wrapper.append(subtitle_html);

		// Show search list with only description, and don't set any events
		make_search_bar({
			wrapper: this.$wrapper,
			on_search: keyword => {
				this.search_value = keyword;
				this.get_items_and_render();
			},
			placeholder: __('Search Items')
		});

		this.get_items_and_render();
	}

	show_publish_progress() {
		const items_to_publish = this.items_data_to_publish.length
			? this.items_data_to_publish
			: JSON.parse(hub.settings.custom_data || '[]');

		const $publish_progress = $(`<div class="sync-progress">
			<p><b>${__(`Syncing ${items_to_publish.length} Products`)}</b></p>
			<div class="progress">
				<div class="progress-bar" style="width: 1%"></div>
			</div>

		</div>`);

		const items_to_publish_container = $(get_item_card_container_html(
			items_to_publish, '', get_local_item_card_html));

		items_to_publish_container.find('.hub-card').addClass('active');

		$publish_progress.append(items_to_publish_container);

		return $publish_progress;
	}

	get_items_and_render(wrapper = this.$wrapper) {
		wrapper.find('.results').remove();
		const items = this.get_valid_items();

		if(!items.then) {
			this.render(items, wrapper);
		} else {
			items.then(r => {
				this.fetched_items = r.message;
				this.render(r.message, wrapper);
			});
		}
	}

	render(items, wrapper) {
		const items_container = $(get_item_card_container_html(items, '', get_local_item_card_html));
		items_container.addClass('results');
		wrapper.append(items_container);

		items.map(item => {
			this.fetched_items_dict[item.item_code] = item;
		});

		// remove the items which doesn't have a valid image
		setTimeout(() => {
			items_container.find('.no-image').each(function() {
				$(this).closest('.hub-card-container').remove();
			});
		}, 1000);
	}

	get_valid_items() {
		if(this.unpublished_items.length) {
			return this.unpublished_items;
		}
		return frappe.call(
			'erpnext.hub_node.api.get_valid_items',
			{
				search_value: this.search_value
			}
		);
	}

	publish_selected_items() {
		const item_codes_to_publish = [];
		this.$wrapper.find('.hub-card.active').map(function () {
			item_codes_to_publish.push($(this).attr("data-id"));
		});

		// Retrieve item data
		const items_data_to_publish = item_codes_to_publish.map(item_code => this.items_data_to_publish[item_code])

		return frappe.call(
			'erpnext.hub_node.api.publish_selected_items',
			{
				items_to_publish: items_data_to_publish
			}
		)
	}
}