var DBG = DBG || false;
var DBG1 = true;
if (!HTML_ID) throw "Missing HTML_ID"
if (!URL_BASE) throw "Missing URL_BASE"
if (!URL_SEARCH_TABLE_LIST) throw "Missing URL_SEARCH_TABLE_LIST"
if (!URL_SEARCH_USER_LIST) throw "Missing URL_SEARCH_USER_LIST"
if (!URL_FETCH_INFO) throw "Missing URL_FETCH_INFO"
if (!CHANGE_OWNER_POST_TASK_NAME) throw "Missing CHANGE_OWNER_POST_TASK_NAME"
var SELECTED_TABLE_ID = SELECTED_TABLE_ID || null
var SELECTED_TABLE_INFO = SELECTED_TABLE_INFO || null
var SELECTED_FROM_OWNER_ID = SELECTED_FROM_OWNER_ID || null
var SELECTED_FROM_OWNER_INFO = SELECTED_FROM_OWNER_INFO || null
var SELECTED_TO_OWNER_ID = SELECTED_TO_OWNER_ID || null
var SELECTED_TO_OWNER_INFO = SELECTED_TO_OWNER_INFO || null

if (!global.fetch) throw "Missing fetch";
if (!global.p5VendorJs) throw "Missing p5VendorJs";
if (!global.p5VendorJs.Typeahead) throw "Missing Typeahead";
if (!global.p5VendorJs.AsyncTypeahead) throw "Missing AsyncTypeahead";

var createReactClass = global.p5VendorJs.createReactClass;
var h = global.p5VendorJs.React.createElement;
var React = global.p5VendorJs.React;
var ReactDOM = global.p5VendorJs.ReactDOM;
var Redux = global.p5VendorJs.Redux;
var ReduxThunk = global.p5VendorJs.ReduxThunk;
var createStoreWithThunkMiddleware = Redux.applyMiddleware(ReduxThunk)(Redux.createStore); // TODO: to vendor.js
var Typeahead = global.p5VendorJs.Typeahead;
var AsyncTypeahead = window.p5VendorJs.AsyncTypeahead;

function makeJsonRequest(url, props) {
	return global.fetch(url, {
		method: 'POST',
		header: { 'contentType': 'applications/json' },
		credentials: 'same-origin',
		body: JSON.stringify(props.body)
	})
	.then(function (response) {
		return response.text();
	})
	.then(function (responseText) {
		try {
			return JSON.parse(responseText);
		} catch (e) {
			throw responseText;
		}
	})
	.then(function (result) {
		DBG1 && console.log('DBG:makeJsonRequest: result', result);
		if (result.type == 'success') {
			return result.body;
		}
	})
}

function filterByLabelHelper(listItem, node) { // previous: filterByHelper
	// DBG && console.log("DBG:filterByLabelHelper", { listItem, node })
	var query = (node && node.text) ? node.text : '';
	var label = listItem.label.toLowerCase();
	var words = (
		(query.indexOf(' ') > 0) ? query.split(' ') : [ query ]
	).map(function (word) { return word.trim().replace(/^[0]+/g, '').toLowerCase(); })
		.filter(function (word) { return word.length > 2; });
	var foundWords = words.filter(function (word) {
		return (label.indexOf(word) > -1);
	})
	return (foundWords.length === words.length);
}
function filterByAllHelper(listItem, node) {
	// DBG && console.log("DBG:filterByAllHelper", { listItem, node })
	var query = (node && node.text) ? node.text : '';
	var label = listItem.label.toLowerCase();
	var id = listItem.id.toLowerCase();
	var words = (
		(query.indexOf(' ') > 0) ? query.split(' ') : [ query ]
	).map(function (word) { return word.trim().replace(/^[0]+/g, '').toLowerCase(); })
		.filter(function (word) { return word.length > 2; });
	var foundWords = words.filter(function (word) {
		return (label.indexOf(word) > -1 || id.indexOf(word) > -1);
	})
	return (foundWords.length === words.length);
}

var p5UI__ChangeOwner_SearchTableWidget = createReactClass({
	getInitialState: function () {
		return {
			isSearching: false,
			options: this.props.selected || [],
		}
	},
	handleSearch: function (query) {
		this.setState({ isSearching: true });
		var _setState = this.setState.bind(this);
		makeJsonRequest(URL_SEARCH_TABLE_LIST, {
			body: {
				query: query,
			}
		})
		.then(function (responseBody) {
			var items = (responseBody && responseBody.items && responseBody.items.length) ? responseBody.items : []
			if (!items.length) p5UI__notifyAjaxCallback({ type: 'warning', msg: "Brak danych pasujących do kryteriów wyszukiwania" });
			DBG1 && console.log('items fetched:', items);
			_setState({ isSearching: false, options: items });
		})
		.catch(function (error) {
			DBG1 && console.log('request failed', error);
		})
	},

	render: function () {
		DBG1 && console.log("DBG:ChangeOwner:SearchTable:render", { props: this.props, state: this.state });
		return h('div', {}, [
			h(AsyncTypeahead, {
				isLoading: this.state.isSearching,
				allowNew: false,
				multiple: false,
				options: this.state.options || [],
				selected: this.props.selected || [],
				labelKey: "label",
				emptyLabel: "Brak danych pasujących do kryteriów wyszukiwania",
				searchText: "Wyszukiwanie...",
				// labelKey: function (option) {
				//   return [
				//     option.nazwa.replace('"', ''),
				//     option.nip,
				//     option.krs,
				//     option.regon,
				//     option.S_miejscowosc,
				//   ].join(' ')
				// },
				minLength: 3,
				onSearch: this.handleSearch,
				placeholder: "Wyszukaj...",
				autoFocus: false,
				filterBy: filterByLabelHelper,
				renderMenuItemChildren: function (option, props) {
					return h(p5UI__ChangeOwner_SearchTableItem, { key: option.id, data: option });
				},
				onChange: this.props.onChange,
			})
		])
	}
});
var p5UI__ChangeOwner_SearchTableItem = createReactClass({
	// this.props: { key: option.ID, baza: selectedBaza, data: option }
	render: function () {
		return h('div', {}, [
			h('em', {}, "[" + this.props.data.id + "]"),
			" ",
			this.props.data.label,
		]);
	}
});

var p5UI__ChangeOwner_SearchUserWidget = createReactClass({
	getInitialState: function () {
		return {
			isSearching: false,
			options: (this.props.selected && this.props.selected.length > 0) ? this.props.selected : [],
		}
	},
	handleSearch: function (query) {
		this.setState({ isSearching: true });
		var _setState = this.setState.bind(this);
		makeJsonRequest(URL_SEARCH_USER_LIST, {
			body: {
				id_table: this.props.id_table,
				query: query,
			}
		})
		.then(function (responseBody) {
			var items = (responseBody && responseBody.items && responseBody.items.length) ? responseBody.items : []
			if (!items.length) p5UI__notifyAjaxCallback({ type: 'warning', msg: "Brak danych pasujących do kryteriów wyszukiwania" });
			DBG1 && console.log('items fetched:', items);
			_setState({ isSearching: false, options: items });
		})
		.catch(function (error) {
			DBG1 && console.log('request failed', error);
		})
	},

	render: function () {
		DBG1 && console.log("DBG:ChangeOwner:SearchUser:render", { props: this.props, state: this.state });
		return h('div', {}, [
			h(AsyncTypeahead, {
				isLoading: this.state.isSearching,
				allowNew: false,
				multiple: false,
				options: this.state.options,
				selected: this.props.selected || [],
				labelKey: "label",
				emptyLabel: "Brak danych pasujących do kryteriów wyszukiwania",
				searchText: "Wyszukiwanie...",
				// labelKey: function (option) {
				//   return [
				//     option.nazwa.replace('"', ''),
				//     option.nip,
				//     option.krs,
				//     option.regon,
				//     option.S_miejscowosc,
				//   ].join(' ')
				// },
				minLength: 3,
				onSearch: this.handleSearch,
				placeholder: "Wyszukaj...",
				autoFocus: false,
				filterBy: filterByAllHelper,
				renderMenuItemChildren: function (option, props) {
					return h(p5UI__ChangeOwner_SearchUserItem, { key: option.id, data: option });
				},
				onChange: this.props.onChange,
			})
		])
	}
});
var p5UI__ChangeOwner_SearchUserItem = createReactClass({
	// this.props: { key: option.ID, baza: selectedBaza, data: option }
	render: function () {
		return h('div', {}, [
			h('em', {}, "[" + this.props.data.id + "]"),
			" ",
			this.props.data.label,
		]);
	}
});


var p5UI__ChangeOwnerWidget = createReactClass({
	getInitialState: function () {
		return {
			selectedTableID: SELECTED_TABLE_ID,
			selectedFromOwnerLogin: SELECTED_FROM_OWNER_ID,
			selectedToOwnerLogin: SELECTED_TO_OWNER_ID,
			selectedTableInfo: SELECTED_TABLE_INFO,
			selectedFromOwnerInfo: SELECTED_FROM_OWNER_INFO,
			selectedToOwnerInfo: SELECTED_TO_OWNER_INFO,
			isSearchingInfo: false,
			info: null,
		}
	},
	componentDidMount: function () {
		if (this.state.selectedTableID > 0) {
			this.fetchInfo()
		}
	},
	makeUrl: function (args) {
		var queryArgs = Object.assign({
			id_table: this.state.selectedTableID,
			id_from: this.state.selectedFromOwnerLogin,
			id_to: this.state.selectedToOwnerLogin,
		}, args);
		return [ URL_BASE ].concat(
			Object.keys(queryArgs).reduce(function (ret, argName) {
				if (!queryArgs[argName]) return ret;
				ret.push(argName + '=' + queryArgs[argName])
				return ret;
			}, [])
		).join("&")
	},
	handleChangeTableID: function (selected) {
		DBG1 && console.log("DBG:ChangeOwner:handleChangeTableID", { selected })
		var tableID = (selected.length > 0) ? selected[0].id : ''
		this.setState({
			selectedTableID: tableID,
			selectedTableInfo: (selected.length > 0) ? [ selected[0] ] : null,
		})
		if (global.history && global.history.pushState) history.pushState({}, global.document.title, this.makeUrl({ id_table: tableID }));
	},
	handleChangeFromOwnerID: function (selected) {
		DBG1 && console.log("DBG:ChangeOwner:handleChangeFromOwnerID", { selected })
		var fromLogin = (selected.length > 0) ? selected[0].id : ''
		// if (global.history && global.history.pushState) history.pushState({}, global.document.title, this.makeUrl({ id_from: fromLogin }));
		this.setState({
			selectedFromOwnerLogin: fromLogin,
			selectedFromOwnerInfo: (selected.length > 0) ? [ selected[0] ] : null,
		}, (function () {
			if (global.history && global.history.pushState) history.pushState({}, global.document.title, this.makeUrl());
			this.fetchInfo()
		}).bind(this))
	},
	handleChangeToOwnerID: function (selected) {
		DBG1 && console.log("DBG:ChangeOwner:handleChangeToOwnerID", { selected })
		var toLogin = (selected.length > 0) ? selected[0].id : ''
		this.setState({
			selectedToOwnerLogin: toLogin,
			selectedToOwnerInfo: (selected.length > 0) ? [ selected[0] ] : null,
		}, (function () {
			if (global.history && global.history.pushState) history.pushState({}, global.document.title, this.makeUrl());
			this.fetchInfo()
		}).bind(this))
	},
	fetchInfo: function () {
		DBG1 && console.log("TODO:ChangeOwner:fetchInfo", { state: this.state })
		// TODO: fetch info if id_table, and id_from, optional id_to
		// TODO: handle race condition, skip old responses
		this.setState({ isSearchingInfo: true });
		var _setState = this.setState.bind(this);
		makeJsonRequest(URL_FETCH_INFO, {
			body: {
				id_table: this.state.selectedTableID,
				id_from: this.state.selectedFromOwnerLogin,
				id_to: this.state.selectedToOwnerLogin,
			}
		})
		.then(function (info) {
			// if (!info.length) p5UI__notifyAjaxCallback({ type: 'warning', msg: "Brak danych pasujących do kryteriów wyszukiwania" });
			DBG1 && console.log('DBG:ChangeOwner:handleChangeTableID info fetched:', info);
			_setState({ isSearchingInfo: false, info: info });
		})
		.catch(function (error) {
			DBG1 && console.log('DBG:ChangeOwner:handleChangeTableID request failed', error);
		})
	},
	renderInfo: function () {
		if (!this.state.info) return null;
		if (!this.state.selectedTableID) return null;
		if (!this.state.selectedFromOwnerLogin) return null;
		if (!this.state.selectedToOwnerLogin) return null;
		if (this.state.info && this.state.info.error_missing_owner_field) {
			return h('div', { className: "alert alert-danger" }, "Brak pola Osoba odpowiedzialana w wybranej tabeli");
		}
		if (this.state.info && this.state.info.errors && this.state.info.errors.length) {
			return h('div', {}, this.state.info.errors.map(function (err) {
				return h('div', { className: "alert alert-danger" }, err);
			}));
		}
		// "fromInfo": {
		// 		"id": "wolczynskit",
		// 		"name": "Tomasz Wólczyński",
		// 		"type": "Pracownik",
		// 		"status": "NORMAL",
		// 		"total": "1793"
		// },
		// "toInfo": {
		// 		"id": "michal.podejko",
		// 		"name": "Michał Podejko",
		// 		"type": "Pracownik",
		// 		"status": "NORMAL",
		// 		"total": "5940"
		// },
		var fromInfo = this.state.info.fromInfo
		var toInfo = this.state.info.toInfo
		var totalToUpdate = fromInfo.total || 0

		return h('div', {}, [
			h('table', { style: { width: "100%" } }, [
				h('tbody', {}, [
					h('tr', {}, [
						h('td', { style: { width: "5%" } }, ""),
						h('td', { style: { width: "40%" } }, [
							(fromInfo) ? this.renderOwnerInfo(fromInfo) : h('div', { className: "alert alert-warning" }, "Brak danych"),
						]),
						h('td', {}, ""),
						h('td', { style: { width: "40%" } }, [
							(toInfo) ? this.renderOwnerInfo(toInfo) : h('div', { className: "alert alert-warning" }, "Brak danych"),
						]),
					])
				])
			]),
			(totalToUpdate)
			?	h('form', { method: "post", style: { textAlign: "center" } }, [
					h('input', { type: "hidden", name: "id_table", value: this.state.selectedTableID }),
					h('input', { type: "hidden", name: "id_from", value: this.state.selectedFromOwnerLogin }),
					h('input', { type: "hidden", name: "id_to", value: this.state.selectedToOwnerLogin }),
					h('input', { type: "hidden", name: "_postTask", value: CHANGE_OWNER_POST_TASK_NAME }),
					h('button', { className: "btn btn-lg btn-primary" }, "Zmień " + totalToUpdate + " rekordów"),
				])
			:	null
			,
			// h('pre', {}, [
			// 	JSON.stringify(this.state.info, null, "\t")
			// ]),
		]);
	},
	renderOwnerInfo: function (userInfo) {
		return h('div', {}, [
			h('p', {}, [
				h('em', {}, "[" + userInfo.id + "]"),
				" ",
				h('span', {}, userInfo.name),
				h('br'),
				h('span', {}, "Status: " + userInfo.status),
				h('br'),
				h('span', {}, "Typ: " + userInfo.type),
			]),
			h('p', {}, [
				h('span', {}, "Odnaleziono " + userInfo.total + " rekordów"),
			]),
		]);
	},
	render: function () {
		DBG1 && console.log("DBG:ChangeOwner:render", { props: this.props, state: this.state });
		return h('form', { method: "get", style: { fontSize: "14px", lineHeight: "2em" } }, [
			h('input', { type: "hidden", name: "_route", value: "UrlAction_ChangeOwner" }),
			h('input', { type: "hidden", name: "id_table", value: this.state.selectedTableID }),
			h('input', { type: "hidden", name: "id_from", value: this.state.selectedFromOwnerLogin }),
			h('input', { type: "hidden", name: "id_to", value: this.state.selectedToOwnerLogin }),
			h('table', { style: { width: "100%", margin: "12px 0" } }, [
				h('tbody', {}, [
					h('tr', {}, [
						h('td', { style: { width: "5%" } }, [
							"Tabela: ",
						]),
						h('td', {}, [
							h(p5UI__ChangeOwner_SearchTableWidget, {
								selected: this.state.selectedTableInfo,
								onChange: this.handleChangeTableID,
							})
						]),
						h('td', {}, [
							h('a', {
								'title': "Usuń zaznaczenie",
								'href': URL_BASE,
								'class': "btn btn-link",
							}, "usuń"),
						]),
					]),
				]),
			]),
			(this.state.selectedTableID > 0 && this.state.selectedTableInfo.length > 0) && h(React.Fragment, {}, [
				h('p', {}, [
					"Zmień osobę odpowiedzialną w tabeli ",
					h('em', {}, "[" + this.state.selectedTableID + "]"),
					" " + this.state.selectedTableInfo[0].label
				]),
				h('table', { style: { width: "100%", margin: "12px 0" } }, [
					h('tbody', {}, [
						h('tr', {}, [
							h('td', { style: { width: "5%", textAlign: "right", paddingRight: "3px" } }, [
								"z: ",
							]),
							h('td', { style: { width: "40%" } }, [
								h(p5UI__ChangeOwner_SearchUserWidget, {
									id_table: this.state.selectedTableID,
									selected: this.state.selectedFromOwnerInfo,
									onChange: this.handleChangeFromOwnerID,
								})
							]),
							h('td', {}, ""),
							h('td', { style: { width: "5%", textAlign: "right", paddingRight: "3px" } }, [
								"na: ",
							]),
							h('td', { style: { width: "40%" } }, [
								h(p5UI__ChangeOwner_SearchUserWidget, {
									id_table: this.state.selectedTableID,
									selected: this.state.selectedToOwnerInfo,
									onChange: this.handleChangeToOwnerID,
								})
							]),
						]),
					]),
				]),
				(this.state.isSearchingInfo)
					?	h('div', {}, [
							"Pobieranie informacji ..."
						])
					:	this.renderInfo()
				,
			]),
		]);
	}
})


ReactDOM.render(
	h(p5UI__ChangeOwnerWidget, {
		// store: createStoreWithThunkMiddleware(NetworkGraph.store),
		// storeActions: NetworkGraph.createActions(),
	}),
	document.getElementById(HTML_ID)
);