import * as angular from "angular";
import { IFileInfo, FileRestService } from 'isogd-file-rest';

class FileController {
    fileInfo: IFileInfo;
    onOpen: (args: any) => void;
    notOpenable: boolean;
    fileExtension: string;
    fileSize: string;
    fileName: string;
    myBlockUI: any;
    availableExtensions: string[] = ['csv', 'doc', 'docx', 'dwg', 'jpg', 'jpeg', 'pdf', 'png', 'rar', 'sig', 'tiff', 'tif', 'txt', 'xml', 'zip'];
    folderId: string;
    editor: boolean;
    isOld: boolean;
    deletable: boolean;
    static $inject = ['fileRestService', 'toastr', '$uibModal', 'blockUI', '$state'];

    constructor(private fileRestService: FileRestService,
        private toastr: Toastr,
        private $uibModal: angular.ui.bootstrap.IModalService,
        private blockUI: any,
        private $state: ng.ui.IStateService) {
    }
    $onInit() {
        this.myBlockUI = this.blockUI.instances.get('folderLoad');
        this.fileExtension = this.fileInfo.fileName.split('.').pop().toLowerCase();
        this.fileName = this.removeExtension(this.fileInfo.fileName);
        let correctExtension = false;
        this.availableExtensions.forEach(ex => {
            if (ex === this.fileExtension) {
                correctExtension = true;
            }
        });

        if (!correctExtension) {
            this.fileExtension = 'unknown';
        }

        let sizeKB = this.fileInfo.contentLength / 1024.0;
        let isKB = (sizeKB < 1024.0) ? true : false;
        this.fileSize = (isKB) ? sizeKB.toFixed(1).toString() + ' Кб' : (sizeKB / 1024.0).toFixed(2).toString() + ' Мб';
    }

    $onDestroy() {
        this.myBlockUI.reset();
    }

    removeExtension(filename: string): string {
        var lastDotPosition = filename.lastIndexOf('.');
        if (lastDotPosition === -1) {
            return filename;
        } else {
            return filename.substr(0, lastDotPosition);
        }
    }

    openFile(id: string) {
        this.openFileInNewWindow(id);
    }

    open(id: string) {
        this.openFileInNewWindow(id);
    }

    openFileInNewWindow(id: string) {
        let url;
        if (!this.isOld) {
            url = `isogd-api/v2/files/view/${id}`;
        } else {
            url = `isogd-oldsystem-rest/v1/files/${id}/view`;
        }
        window.open(url, '_blank');
    }

    delete(id: string) {
        let modalInstance = this.$uibModal.open({
            template: require('../../common/confirmation.html'),
            controller: 'ConfirmController as ctrl',
            size: "md",
            backdrop: 'static',
            keyboard: false,
            windowClass: "delete-file-modal",
            resolve: {
                title: () => { return "Удаление файла" },
                message: () => { return "Удалить файл '" + this.fileInfo.fileName + "' из FileNet?" },
                btnOk: () => { return "Удалить" }
            }
        });
        modalInstance.result.then((result: any) => {
            this.myBlockUI.start();
            this.fileRestService.deleteFile(this.fileInfo.fileId).then(response => {
                this.toastr.success("Файл '" + this.fileInfo.fileName + "' успешно удален");
                this.$state.reload();
                this.myBlockUI.stop();
            }).catch(error => {
                this.toastr.error("Ошибка при удалении файла!");
                this.myBlockUI.stop();
            });
        }).catch(error => {

        });
    }

    sign() {
        let modalInstance = this.$uibModal.open({
            template: require('./signFile.html'),
            controller: 'SignFileController as ctrl',
            backdrop: 'static',
            keyboard: false,
            size: "md",
            resolve: {
                fileInfo: this.fileInfo,
                folderGuid: () => { return this.folderId; }
            }
        });

        modalInstance.result.then((result: any) => {
            if (result.error === null) {
                this.toastr.success("Время подписания: " + result.result.time + " мс.", "Файл " + this.fileInfo.fileName + " подписан.");
                this.$state.reload();

            } else {
                this.toastr.error("Ошибка при подписании файла: " + result.error.message);
                this.$state.reload();
            }
        });
    }
    verify() {
        let modalInstance = this.$uibModal.open({
            template: require('./verify.html'),
            controller: 'VerifyController as ctrl',
            size: "md",
            backdrop: 'static',
            keyboard: false,
            resolve: {
                fileInfo: this.fileInfo
            }
        });
        modalInstance.result.then((result: any) => {

        }).catch(error => {

        });
    }

    uploadSign(files: File[]) {
        if (files && files.length) {
            if (files.length > 1) {
                this.toastr.error('Допустимое число файлов: ' + 1);
                return;
            } else {
                let fileExtension = files[0].name.split('.').pop();
                if (fileExtension !== "sig") {
                    this.toastr.error('Допустимые расширения файлов: .sig');
                    return;
                } else {
                    var fd = new FormData();
                    var _file = files[0];
                    fd.append('signature', _file);
                    this.fileRestService.handleFileUploadWithSign(this.fileInfo.fileId, fd).then(resp => {
                        this.toastr.success('Подпись успешно добавлена к файлу!');
                        this.$state.reload();
                        this.fileInfo.signed = true;
                    }).catch(resp => {
                        this.toastr.error('Ошибка при добавлении подписи к файлу!');
                        this.fileInfo.signed = false;
                    });
                }
            }
        }
    }
}

export const file: angular.IComponentOptions = {
    controller: FileController,
    template: require('./file.html'),
    bindings: {
        fileInfo: '<',
        onOpen: '&',
        folderId: "<",
        editor: '<',
        isOld: '<',
        notOpenable: '<?',
        deletable: '<?'
    }
};