var DBG = DBG || false;
if (!URI_WPS) throw "Missing URI_WPS";
var DBG1 = true;
if (!global.p5VendorJs) throw "Missing p5 Vendor js libs";
if (!global.p5VendorJs.Redux) throw "Missing p5 Vendor js lib: Redux";
var Redux = global.p5VendorJs.Redux;
var ReduxThunk = global.p5VendorJs.ReduxThunk;
var createStoreWithThunkMiddleware = Redux.applyMiddleware(ReduxThunk)(Redux.createStore); // TODO: to vendor.js

function selectedStore(state, action) {
	var prevState = state || { isLoading: false, selected: [], loading: [], listPrimaryKeys: [], totalSelected: 0 };
	DBG && console.log('DBG::selectedStore', { prevState, action });
	switch (action.type) {
		case 'SET_CHECKED': return fixSelectAllInSelectedState(Object.assign({}, prevState, {
			loading: p5Utils__arrayRemove(prevState.loading, action.primaryKey),
			selected: prevState.selected.concat(action.primaryKey),
			totalSelected: action.totalSelected,
		}));
		case 'SET_UNCHECKED': return fixSelectAllInSelectedState(Object.assign({}, prevState, {
			loading: p5Utils__arrayRemove(prevState.loading, action.primaryKey),
			selected: p5Utils__arrayRemove(prevState.selected, action.primaryKey),
			totalSelected: action.totalSelected,
		}));
		case 'SET_LIST_CHECKED': return fixSelectAllInSelectedState(Object.assign({}, prevState, {
			loading: [], // TODO: p5Utils__arrayExcept(prevState.loading, action.listPrimaryKeys),
			selected: [].concat(action.listPrimaryKeys), // TODO: p5Utils__arrayUniqueUnion(prevState.selected, action.listPrimaryKeys)
			totalSelected: action.totalSelected,
		}));
		case 'SET_LIST_UNCHECKED': return fixSelectAllInSelectedState(Object.assign({}, prevState, {
			loading: [], // TODO: p5Utils__arrayExcept(prevState.loading, action.listPrimaryKeys),
			selected: [], // TODO: p5Utils__arrayUniqueUnion(prevState.selected, action.listPrimaryKeys)
			totalSelected: action.totalSelected,
		}));
		case 'SET_LOADING': return Object.assign(prevState, {
			loading: prevState.loading.concat(action.primaryKey)
		});
		case 'SET_LIST_LOADING': return Object.assign(prevState, {
			loading: [].concat(action.listPrimaryKeys)
		});
		case 'SET_PRIMARY_KEYS': return fixSelectAllInSelectedState(Object.assign({}, prevState, {
			listPrimaryKeys: [].concat(action.listPrimaryKeys),
			loading: [].concat(action.listPrimaryKeys)
		}));
		// case 'SET_ERROR_MSG': return Object.assign(prevState, {
		// 	errorMsg: action.errorMsg
		// });
		default: return prevState;
	}
}
function fixSelectAllInSelectedState(state) {
	var len = state.listPrimaryKeys.length;
	var selLen = state.selected.length;
	var isAllSelected = ( len > 0 && selLen >= len ); // selected array may contain 'select-all'
	for (var i = 0, pk = ''; i < len; i++) {
		pk = state.listPrimaryKeys[i];
		if (-1 === state.selected.indexOf(pk)) {
			isAllSelected = false;
			break;
		}
	}
	// DBG && console.log('fixSelectAllInSelectedState', { isAllSelected, state });
	var isSelectedSelectAll = ( -1 !== state.selected.indexOf('select-all') );
	if (isAllSelected && !isSelectedSelectAll) return Object.assign(state, {
		selected: ['select-all'].concat(state.selected)
	});
	if (!isAllSelected && isSelectedSelectAll) return Object.assign(state, {
		selected: p5Utils__arrayRemove(state.selected, 'select-all'),
	});
	return state;
}
function p5Utils__arrayRemove(array, toRemoveItem) {
	return array.filter(function (item) {
		return ( item !== toRemoveItem );
	});
}

var p5WPSUtils__createConvertToWpsDataInputFunction = function (identifier) {
	return function (value) {
		if (!value) return null; // WPS function require value, but for eg. featureQuery mey be empty
		return { // "wps:Input"
			identifier: identifier, // "ows:Identifier"
			// title: "...", // "ows:Title"
			data: { literalData: { value: value } }, // "wps:Data"
			// reference: "???", // "wps:Reference"
			// boundingBoxData: "???", // "wps:BoundingBoxData"
		};
	}
};
var p5WPSHelper_generateProcessSelectFeatureWithArgs = function (identifier, args) {
	var dataInputs = Object.keys(args).reduce(function (ret, argName) {
		var value = args[argName];
		var convertValueToWpsDataInput = p5WPSUtils__createConvertToWpsDataInputFunction(argName);
		return (p5Utils__isArray(value))
			? ret.concat( value.map( convertValueToWpsDataInput ) )
			: ret.concat([ convertValueToWpsDataInput(value) ])
		;
	}, []).filter(function (wpsTag) {
		return !! wpsTag;
	})
	return {
		identifier: identifier, // "ows:Identifier"
		dataInputs: dataInputs,
		responseForm: { // "wps:ResponseForm"
			// rawDataOutput: "???", // "wps:RawDataOutput"
			// responseDocument: "???", // "wps:ResponseDocument"
		}
	}
}
var p5WPS_executeFeatureProcess = function(identifier) {
	return function (wpsArgs) { // TODO: ns, listPrimaryKeys
		return new Promise(function (resolve, reject) {
			var process = p5WPSHelper_generateProcessSelectFeatureWithArgs(identifier, wpsArgs);
			OpenLayers.Request.POST({
				url: URI_WPS,
				data: new OpenLayers.Format.WPSExecute().write(process),
				callback: function (response) {
					try {
						var txt = response.responseText || ''
						if (!txt) throw "Empty response";
						var responseJson = JSON.parse(txt)
						if ('success' != responseJson.type) throw "Error response type '" + responseJson.type + "'";
						if (!responseJson.body || !responseJson.body.selected) throw "Brak danych";
						var listSelectedPks = Object.keys(responseJson.body.selected).filter(function (pk) {
							return responseJson.body.selected[pk];
						})
						var totalSelected = responseJson.body.totalSelected;
						DBG && console.log('wps('+identifier+') response', {response, responseJson, selected: responseJson.body.selected, resolve: listSelectedPks});

						resolve({
							selected: listSelectedPks,
							totalSelected: totalSelected,
						})
					} catch (e) {
						reject('' + e)
						return;
					}
				},
				// success: function (response) {
				// },
				// failure: function (response) {
				// }
			});
		});
	}
};
var p5WPS__selecFeature = p5WPS_executeFeatureProcess('p5:selectFeature');
var p5WPS__unselectFeature = p5WPS_executeFeatureProcess('p5:unselectFeature');
var p5WPS__unselecAllFeatures = p5WPS_executeFeatureProcess('p5:unselectAllFeatures');
var p5WPS__getSelectedFeatures = p5WPS_executeFeatureProcess('p5:getSelectedFeatures');
var p5WPS__selectAllFeaturesMatchingFilter = p5WPS_executeFeatureProcess('p5:selectAllFeaturesMatchingFilter');


function selectedActions(idContext) {
	var idContext = idContext || null;
	function setChecked(primaryKey, totalSelected) {
		return { type: 'SET_CHECKED', primaryKey: primaryKey, totalSelected: totalSelected }
	}
	function setUnchecked(primaryKey, totalSelected) {
		return { type: 'SET_UNCHECKED', primaryKey: primaryKey, totalSelected: totalSelected }
	}
	function setLoading(primaryKey) {
		return { type: 'SET_LOADING', primaryKey: primaryKey }
	}
	function setListChecked(listPrimaryKeys, totalSelected) {
		return { type: 'SET_LIST_CHECKED', listPrimaryKeys: listPrimaryKeys, totalSelected: totalSelected }
	}
	function setListUnchecked(listPrimaryKeys, totalSelected) {
		return { type: 'SET_LIST_UNCHECKED', listPrimaryKeys: listPrimaryKeys, totalSelected: totalSelected }
	}
	function setListLoading(listPrimaryKeys) {
		return { type: 'SET_LIST_LOADING', listPrimaryKeys: listPrimaryKeys }
	}
	function setErrorMsg(errorMsg) {
		return { type: 'SET_ERROR_MSG', errorMsg: errorMsg }
	}
	function toggle(namespace, primaryKey, checked) {
		DBG && console.log('DBG::toggle action: (pks:['+primaryKey+'])...');
		if ('select-all' === primaryKey) return toggleAll(namespace, checked);

		return function(dispatch, getState) {
			// var state = getState();
			dispatch(setLoading(primaryKey));

			var reqArgs = { typeName: namespace, primaryKey: [ primaryKey ] };
			if (idContext) reqArgs.idContext = idContext;
			var reqPromise = checked ? p5WPS__selecFeature(reqArgs) : p5WPS__unselectFeature(reqArgs);
			return reqPromise.then(function (response) {
				DBG && console.log('DBG::async toggle action: (pk:'+primaryKey+') dispatch...');
				dispatch( checked ? setChecked(primaryKey, response.totalSelected) : setUnchecked(primaryKey, response.totalSelected) );
			}).catch(function (e) {
				p5UI__notifyAjaxCallback({type: 'error', msg: 'Wystąpił błąd #TA1: ' + e});
				DBG && console.warn('DBG::async toggle action: (pk:'+primaryKey+') ERROR', e);
				// dispatch( checked ? setUnchecked(primaryKey) : setChecked(primaryKey) );
				// dispatch( setErrorMsg(e) ); // TODO: show error with msg and refresh button
				dispatch( setListLoading([]) );
			});
		}
	}
	function setPrimaryKeys(namespace, listPrimaryKeys) { // TODO: should set list primaryKeys, change checkboxes to loading and fetch its state, then update gui
		DBG && console.log('DBG::setPrimaryKeys action: (pks:['+listPrimaryKeys.join(',')+'])...');
		return function(dispatch, getState) {
			dispatch({ type: 'SET_PRIMARY_KEYS', listPrimaryKeys: listPrimaryKeys });
			// dispatch( setListLoading(listPrimaryKeys) );
			if (!listPrimaryKeys.length) return;

			var reqArgs = { typeName: namespace, primaryKey: listPrimaryKeys };
			if (idContext) reqArgs.idContext = idContext;
			return p5WPS__getSelectedFeatures(reqArgs).then(function (listSelected) {
				DBG && console.log('DBG::setPrimaryKeys action: (pks:['+listPrimaryKeys.join(',')+']) dispatch success');
				dispatch( setListChecked(listSelected.selected, listSelected.totalSelected) );
			}).catch(function (e) {
				p5UI__notifyAjaxCallback({type: 'error', msg: 'Wystąpił błąd #TA2: ' + e});
				DBG && console.warn('DBG::setPrimaryKeys action: (pks:['+listPrimaryKeys.join(',')+']) ERROR dispatch error');
				// var fullListPks = ['select-all'].concat(listPrimaryKeys);
				// dispatch( setListUnchecked(fullListPks) );
				// dispatch( setErrorMsg(e) ); // TODO: show error with msg and refresh button
				dispatch( setListLoading([]) );
			});
		}
	}
	function toggleAll(namespace, checked) {
		var primaryKey = 'select-all';
		return function(dispatch, getState) {
			// var state = getState();
			dispatch(setLoading(primaryKey));
			var state = getState();
			var listPrimaryKeys = state.listPrimaryKeys;

			var reqArgs = { typeName: namespace, primaryKey: listPrimaryKeys };
			if (idContext) reqArgs.idContext = idContext;
			var reqPromise = checked ? p5WPS__selecFeature(reqArgs) : p5WPS__unselectFeature(reqArgs);
			return reqPromise.then(function (response) {
				DBG && console.log('DBG::setPrimaryKeys action: (pks:['+listPrimaryKeys.join(',')+']) dispatch success');
				dispatch( checked ? setListChecked(response.selected, response.totalSelected) : setListUnchecked(response.selected, response.totalSelected) );
			}).catch(function (e) {
				p5UI__notifyAjaxCallback({type: 'error', msg: 'Wystąpił błąd #TA3: ' + e});
				DBG && console.warn('DBG::setPrimaryKeys action: (pks:['+listPrimaryKeys.join(',')+']) ERROR dispatch error');
				// var fullListPks = ['select-all'].concat(listPrimaryKeys)
				// dispatch( checked ? setListUnchecked(fullListPks) : setListChecked(fullListPks) );
				// dispatch( setErrorMsg(e) ); // TODO: show error with msg and refresh button
				dispatch( setListLoading([]) );
			});
		}
	}
	function unselectAll(namespace) {
		// dispatch(setLoading());
		return function(dispatch, getState) {
			var reqArgs = { typeName: namespace };
			if (idContext) reqArgs.idContext = idContext;
			var reqPromise = p5WPS__unselecAllFeatures(reqArgs);
			return reqPromise.then(function (response) {
				DBG && console.log('DBG::setPrimaryKeys action: (pks:['+listPrimaryKeys.join(',')+']) dispatch success');
				// dispatch( setListChecked(response.selected, response.totalSelected) );
				dispatch( setListChecked([], 0) );
			}).catch(function (e) {
				p5UI__notifyAjaxCallback({type: 'error', msg: 'Wystąpił błąd #TA4: ' + e});
				DBG && console.warn('DBG::setPrimaryKeys action: (pks:['+listPrimaryKeys.join(',')+']) ERROR dispatch error');
				// var fullListPks = ['select-all'].concat(listPrimaryKeys)
				// dispatch( checked ? setListUnchecked(fullListPks) : setListChecked(fullListPks) );
				// dispatch( setErrorMsg(e) ); // TODO: show error with msg and refresh button
				// dispatch( setListLoading([]) );
			});
		};
	}
	function selectAllMatchingFilter(namespace, filterQuery) {
		DBG && console.log('DBG::selectAllMatchingFilter', { filterQuery });
		return function(dispatch, getState) {
			DBG && console.log('DBG::selectAllMatchingFilter state', state);
			var state = getState();
			var listPrimaryKeys = state.listPrimaryKeys;

			var reqArgs = { typeName: namespace, primaryKey: listPrimaryKeys, filterQuery: filterQuery };
			if (idContext) reqArgs.idContext = idContext;
			return p5WPS__selectAllFeaturesMatchingFilter(reqArgs).then(function (listSelected) {
				DBG && console.log('DBG::selectAllMatchingFilter dispatch success');
				dispatch( setListChecked(listSelected.selected, listSelected.totalSelected) );
			}).catch(function (e) {
				p5UI__notifyAjaxCallback({type: 'error', msg: 'Wystąpił błąd #TA5: ' + e});
				DBG && console.warn('DBG::selectAllMatchingFilter ERROR dispatch error');
				// var fullListPks = ['select-all'].concat(listPrimaryKeys);
				// dispatch( setListUnchecked(fullListPks) );
				// dispatch( setErrorMsg(e) ); // TODO: show error with msg and refresh button
				dispatch( setListLoading([]) );
			});
		}
	}
	return {
		setPrimaryKeys: setPrimaryKeys,
		setChecked: setChecked,
		setUnchecked: setUnchecked,
		toggle: toggle,
		unselectAll: unselectAll,
		selectAllMatchingFilter: selectAllMatchingFilter,
	}
}

function createTableSelectedStateObject(idContext) {
	var _idContext = idContext || {};
	return {
		store: createStoreWithThunkMiddleware(selectedStore),
		actions: selectedActions(_idContext)
	}
}

global.createTableSelectedStateObject = createTableSelectedStateObject;