import {AfterViewInit, ChangeDetectorRef, Component, OnInit, ViewChild} from '@angular/core';

import {User} from '@app/_models';
import {AccountService} from '@app/_services';
import {Subscription} from "rxjs";
import {
    PostJsonld,
    PostService,
    TaskJsonld,
    TaskNoteJsonld,
    TaskService,
    UserJsonld,
    UserService
} from "@app/core/api/v1";
import {MatPaginator, MatPaginatorIntl, PageEvent} from "@angular/material/paginator";
import {NgbModal, NgbModalOptions} from "@ng-bootstrap/ng-bootstrap";
import {MatTableDataSource} from "@angular/material/table";
import {NewTaskComponent} from "@app/tasks/new-task/new-task.component";
import {ModalStatus} from "@app/_helpers/modal.states";
import {NewTaskNoteComponent} from "@app/tasks/new-task-note/new-task-note.component";
import {ApiConverter} from "@app/_helpers/api.converter";

@Component({
    templateUrl: 'home.component.html',
    styleUrl: 'home.component.scss'
})
export class HomeComponent implements OnInit, AfterViewInit {
    @ViewChild(MatPaginator) tasksPaginator: MatPaginator;

    protected user: User | null;
    protected postSub: Subscription;
    protected posts: Array<PostJsonld>;

    protected usersSub: Subscription;
    protected users: Array<UserJsonld>;

    protected userIsAdmin: boolean;

    protected readonly ApiConverter = ApiConverter;

    protected tasksSub: Subscription;
    protected tasks: Array<TaskJsonld>;
    protected tasksDataSource;
    protected tasksLength: number;
    protected tasksPageEvent: PageEvent;
    protected tasksPageSize: number;
    protected tasksPageIndex: number;

    protected taskNotesVisibility: Map<string, boolean>;

    protected modalOptions: NgbModalOptions = {
        centered: true
    };

    constructor(
        private modalService: NgbModal,
        private accountService: AccountService,
        private postService: PostService,
        private userService: UserService,
        private taskService: TaskService
    ) {
        this.user = this.accountService.userValue;
        // this.accountService.user.subscribe(x => this.user = x);
        this.postSub = new Subscription();
        this.posts = [];

        this.usersSub = new Subscription();
        this.users = [];

        this.userIsAdmin = false;

        this.tasksSub = new Subscription();
        this.tasks = [];
        this.tasksPaginator = new MatPaginator(new MatPaginatorIntl(), ChangeDetectorRef.prototype);
        this.tasksDataSource = new MatTableDataSource<TaskJsonld>(this.tasks);
        this.tasksLength = 0;
        this.tasksPageEvent = new PageEvent();
        this.tasksPageSize = 10;
        this.tasksPageIndex = 0;
        this.taskNotesVisibility = new Map<string, boolean>();
    }

    ngOnInit(): void {
        if (this.user) {
            this.userIsAdmin = this.user.roles ? this.user.roles.includes('ROLE_ADMIN') : false;
        }
        this.postSub = this.postService.postsGetCollection().subscribe(
            data => {
                this.posts = data["hydra:member"];
            }
        );

        this.usersSub = this.userService.usersGetCollection().subscribe(
            data => {
                this.users = data["hydra:member"];
            }
        );
        this.getTasksData();
    }

    ngAfterViewInit() {
        this.tasksDataSource.paginator = this.tasksPaginator;
    }

    getTasksData() {
        console.log(this.user?.id);
        this.tasksSub = this.taskService.tasksGetCollection(
            this.tasksPageIndex + 1,
            this.tasksPageSize,
            "",
            [],
            this.user?.id
        ).subscribe(
            data => {
                this.tasks = data["hydra:member"];
                this.tasksLength = Number(data["hydra:totalItems"]);
                this.tasks.forEach(task => {
                    if (task.id) {
                        this.taskNotesVisibility.set(task.id, false);
                    }
                });
                console.log(this.tasks);
            }
        );
    }

    tasksHandlePageEvent(e: PageEvent) {
        this.tasksPageEvent = e;
        this.tasksLength = e.length;
        this.tasksPageIndex = e.pageIndex.valueOf();
        this.tasksPageSize = e.pageSize.valueOf();
        this.getTasksData();
    }

    openModalNewTask() {
        const modalRefTask = this.modalService.open(NewTaskComponent, this.modalOptions);
        let task: TaskJsonld = {} as TaskJsonld;
        task.partner = null;
        task.completed = false;
        modalRefTask.componentInstance.task = task;
        modalRefTask.componentInstance.submit.subscribe((modalStatus: ModalStatus) => {
            if (modalStatus === ModalStatus.Submitted) {
                modalRefTask.dismiss();
                this.getTasksData();
            }
        });
    }

    openModalNewTaskNote(task: TaskJsonld) {
        const modalRefTaskNote = this.modalService.open(NewTaskNoteComponent, this.modalOptions);
        let taskNote: TaskNoteJsonld = {} as TaskNoteJsonld;
        taskNote.task = task.id ?? null;
        modalRefTaskNote.componentInstance.taskNote = taskNote;
        modalRefTaskNote.componentInstance.submit.subscribe((modalStatus: ModalStatus) => {
            if (modalStatus === ModalStatus.Submitted) {
                modalRefTaskNote.dismiss();
                this.getTasksData();
            }
        });
    }

    openModalEditTask(task: TaskJsonld) {
        const modalRefTaskEdit = this.modalService.open(NewTaskComponent, this.modalOptions);
        modalRefTaskEdit.componentInstance.task = task;
        modalRefTaskEdit.componentInstance.dueAtValue = ApiConverter.convertDate(task.dueAt);
        modalRefTaskEdit.componentInstance.submit.subscribe((modalStatus: ModalStatus) => {
            if (modalStatus === ModalStatus.Submitted) {
                modalRefTaskEdit.dismiss();
                this.getTasksData();
            }
        });
    }

    openModalEditTaskNote(taskNote: TaskNoteJsonld) {
        const modalRefTaskNote = this.modalService.open(NewTaskNoteComponent, this.modalOptions);
        modalRefTaskNote.componentInstance.taskNote = taskNote;
        modalRefTaskNote.componentInstance.submit.subscribe((modalStatus: ModalStatus) => {
            if (modalStatus === ModalStatus.Submitted) {
                modalRefTaskNote.dismiss();
                this.getTasksData();
            }
        });
    }

    showTaskNotes(task: TaskJsonld) {
        if (task.id) {
            const currentVisibility = this.taskNotesVisibility.get(task.id);
            this.taskNotesVisibility.set(task.id, !currentVisibility);
        }
    }
}