@extends('layouts.main')

@section("content")
    <page-content :context="context" :event="eventListener"/>
@endsection
@section("components_declarations")
    @include("catalogs.catalog")
    <template id="page-content">
        <v-content>
            <v-container fluid fill-height>
                <Catalog :event="eventListener" title="My Courses" url="{{route("users.courses",Auth::id())}}"></Catalog>
            </v-container>

        </v-content>
    </template>
    <script>

        const PageContent = {
            template: "#page-content",
            components: {Catalog},
            data: () => ({
                total: 0,
                loading: true,
                pagination: {},
                fab: false,
                dialog: false,
                view_dialog:false,
                confirm: false,
                confirmObject: {action: '', text: '', active: false},
                snackbar: {active: false, text: "", color: "primary"},
                search: "",
                table_items: [
                    'Validate', 'Suspend', 'Delete'
                ],

                selected: [],
                selectedBills: [],
                headers: [
                    {text: '{{__("Name")}}', value: 'name'},
                    {text: '{{__("Actions")}}', sortable: false},
                ],
                course: {},
                items: [],
                defaultItem: {},
                settings: {pagination: {page: 1}},



                print_date: new Date().toISOString().substr(0, 7),
                print_modal: false,
                month_modal: false
            }),
            props: {
                source: String,
                context: Object,
                item: {},

                event: {
                    type: Function,
                    default: function (event, data) {
                    }
                },

            },
            computed: {
                pages() {
                    if (this.pagination.rowsPerPage == null ||
                        this.pagination.totalItems == null
                    ) return 0;

                    return Math.ceil(this.pagination.totalItems / this.pagination.rowsPerPage)
                },
                params(nv) {
                    return {
                        ...this.pagination,
                        query: this.search
                    };
                },

            },
            watch: {
                params: {
                    handler() {
                        this.getData().then(data => {
                            this.items = data.items;
                            this.total = data.total;
                        });
                    },
                    deep: true
                },
            },
            mounted() {

                if (localStorage.getItem('settings')) this.settings = JSON.parse(localStorage.getItem('settings')) || this.settings;
                this.pagination = {rowsPerPage:10,page: 1};

            },
            methods: {
                eventListener(event,data){
                    switch (event) {
                        case "mastermind":
                            this.pushItem(data);
                            break;
                        default:
                            (this.event)(event, data);

                            break;
                    }
                },
                getData() {
                    this.loading = true;
                    return new Promise((resolve, reject) => {
                        var _this = this;
                        const rowsPerPage = this.pagination.rowsPerPage;
                        const page = this.pagination.page;
                        // get by search keyword
                        axios.get("{{route("certificates.index")}}", {
                            params: {
                                term: this.search,
                                orderBy: this.pagination.sortBy,
                                page: this.pagination.page,
                                direction: this.pagination.descending ? "DESC" : "ASC",
                                per_page: this.pagination.rowsPerPage
                            }
                        })
                            .then(res => {
                                let items = res.data.data;


                                const total = res.data.total;
                                this.loading = false;
                                resolve({
                                    items,
                                    total
                                })

                            })
                            .catch(err => console.log(err))
                            .finally(() => _this.loading = false);
                    })


                },


                newItem() {

                    this.item = this.defaultItem;
                    this.dialog = true;
                },
                updateItems() {
                    if (this.selected.length == 0) {
                        this.toast("{{__("components.Select items")}}", "red");
                        return false;
                    }
                    this.update_dialog = true;
                },
                editItem(item) {

                    this.item = item;
                    this.dialog = true;
                },
                viewItem(item) {

                    this.item = item;
                    this.view_dialog = true;
                },
                editPayment(item) {

                    this.payment = item;
                },
                deleteItems() {
                    if (this.selected.length !== 0) {
                        this.confirmObject.text = "{{__("components.Are you sure to delete")}} " + this.selected.length + " certificates";
                        this.confirmObject.action = "delete";
                        this.confirm = true;
                    }

                },


                actionOnMultiple(action) {
                    if (this.selected.length === 0) {
                        this.snackbar.text = "{{__("components.Select items")}}";
                        this.snackbar.color = "dark";
                        this.snackbar.active = true;
                        return false;
                    }

                    let _this = this;
                    let IDS = [];
                    for (let i = 0; i < this.selected.length; i++) {
                        IDS.push(this.selected[i].id);
                    }

                    this.loading = true;

                    axios.post('/certificates/action/' + action, {ids: IDS})
                        .then(response => {

                            if (response.data) {
                                let data = response.data;

                                if (action == "delete") {
                                    for (let i = 0; i < IDS.length; i++) {
                                        _this.items.splice(_this.getIndex(_this.items, "id", IDS[i]), 1);
                                    }
                                } else {
                                    for (let i = 0; i < data.length; i++) {
                                        let object = data[i];
                                        let index = _this.getIndex(_this.items, "id", object.id);

                                        if (index > -1) {
                                            Vue.set(_this.items, index, object);
                                        } else {
                                            _this.items.unshift(object);
                                        }
                                    }
                                }
                                _this.confirm = false;
                                _this.selected = [];
                                this.loading = false;
                            } else {
                                this.snackbar.text = "{{__("components.An error occurred")}}";
                                this.snackbar.color = "red";
                                this.snackbar.active = true;
                                _this.confirm = false;
                                this.loading = false;
                            }
                        });
                },


                /*
                    format tweet created_at date to a nice string date
                     */
                formatDate(date_string) {
                    var REFERENCE = moment(date_string);
                    var TODAY = moment();
                    var YESTERDAY = moment().subtract(1, 'day');
                    /*
                    if the time is creater than a day show the month and day
                     */
                    if (moment(date_string).isSame(TODAY, 'd') || moment(date_string).isSame(YESTERDAY, 'd')) {
                        return moment(date_string).fromNow()
                    } else {
                        return REFERENCE.format("MMM DD")
                    }

                    return
                },
                /*
                    method to get index of an item in an array
                    using a field and a value of comparison
                     */
                getIndex(items, field, value) {
                    for (var i = 0; i < items.length; i++) {
                        if (items[i][field] == value) {
                            return i;
                        }
                    }
                    return -1;
                },
                /*
                   method to get an item in an array
                   using a field and a value of comparison
                    */
                getItem(items, field, value) {
                    for (var i = 0; i < items.length; i++) {
                        if (items[i][field] == value) {
                            return items[i];
                        }
                    }
                    return false;
                },
                pushItem(item){


                    for (var i = 0; i < this.items.length; i++) {
                        if (item.id === this.items[i].id) {
                            Vue.set(this.items, i, item);
                            return true;
                        }
                    }
                    this.items.unshift(item)

                    this.dialog = false;
                },
                toast(message, color) {

                    this.snackbar.text = message;
                    this.snackbar.color = color;
                    this.snackbar.active = true;


                },
                close() {
                    this.dialog = false
                    setTimeout(() => {
                        this.item = Object.assign({}, this.defaultItem)

                    }, 300)
                },
            },
        }
    </script>
@endsection
@section("components_instances")
    PageContent
@endsection