/*
 *  Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *  SPDX-License-Identifier: Apache-2.0
 */

/**
 * Useful mocks of our custom hook to make our unit
 * testing easier. Prevents the actual backend API
 * calls to happen and instead returns dummy data.
 */
import dayjs from "dayjs";
import utc from "dayjs/plugin/utc";
import React, { useState, useCallback, useEffect, useRef, Dispatch, SetStateAction } from "react";
import {
    DashboardState,
    DatasetType,
    SourceType,
    DashboardAuditLog,
    Widget,
    Settings,
    PublicSettings,
} from "../../models";
import { UseLogoHook } from "../logo-hooks";
import { UseFaviconHook } from "../favicon-hooks";

const dummyDashboard = {
    id: "123",
    name: "My AWS Dashboard",
    topicAreaId: "abc",
    topicAreaName: "Bananas",
    description: "Some description",
    updatedAt: "",
    createdBy: "test user",
    version: 1,
    widgets: [
        {
            id: "abc",
            name: "Dummy text widget",
            widgetType: "Text",
            order: 0,
            updatedAt: "",
            content: { text: "test" },
        },
        {
            id: "xyz",
            name: "Dummy chart widget",
            widgetType: "Chart",
            order: 1,
            updatedAt: "",
            content: {
                chartType: "LineChart",
                s3Key: {
                    json: "xyz.json",
                },
            },
        },
    ],
};

export function useTopicAreas() {
    return {
        loading: false,
        topicareas: [
            {
                id: "123456789",
                name: "Topic Area Bananas",
                createdBy: "test user 1",
                dashboardCount: 4,
            },
            {
                id: "987654321",
                name: "Topic Area Grapes",
                createdBy: "test user 2",
                dashboardCount: 10,
            },
        ],
    };
}

export function useCsrfToken() {
    return {
        loading: false,
        csrfToken: "",
    };
}

export function useSettings() {
    const [settings] = useState<Settings>({
        dateTimeFormat: {
            date: "YYYY-MM-DD",
            time: "HH:mm",
        },
        publishingGuidance:
            "I acknowledge that I have reviewed the " + "dashboard and it is ready to publish",
        updatedAt: new Date("2020-12-08T22:56:13.721Z"),
        navbarTitle: "Performance Dashboard",
        colors: {
            primary: "#ffffff",
            secondary: "#0f6460",
        },
        topicAreaLabels: {
            singular: "Ministry",
            plural: "Ministries",
        },
        adminContactEmailAddress: "admin1@example.com",
        contactEmailAddress: "contact@example.com",
    });

    return {
        reloadSettings: jest.fn(),
        settings,
        loadingSettings: false,
    };
}

export function usePublicSettings() {
    const [settings] = useState<PublicSettings>({
        dateTimeFormat: {
            date: "YYYY-MM-DD",
            time: "HH:mm",
        },
        colors: {
            primary: "#ffffff",
            secondary: "#0f6460",
        },
        contactUsContent: "",
    });

    return {
        reloadSettings: jest.fn(),
        settings,
        loadingSettings: false,
    };
}

export function useDashboards() {
    return {
        loading: false,
        dashboards: [
            {
                id: "abc",
                name: "Dashboard One",
                topicAreaId: "123456789",
                topicAreaName: "Topic Area Bananas",
                createdBy: "test user",
            },
            {
                id: "xyz",
                name: "Dashboard Two",
                topicAreaId: "987654321",
                topicAreaName: "Topic Area Grapes",
                createdBy: "test user",
            },
        ],
        draftsDashboards: [
            {
                id: "abc",
                name: "Dashboard One",
                topicAreaId: "123456789",
                topicAreaName: "Topic Area Bananas",
                createdBy: "test user",
            },
        ],
        publishedDashboards: [
            {
                id: "xyz",
                name: "Dashboard Two",
                topicAreaId: "987654321",
                topicAreaName: "Topic Area Grapes",
                createdBy: "test user",
            },
        ],
        pendingDashboards: [],
        archivedDashboards: [],
    };
}

export function useDashboard(dashboardId: string) {
    const [dashboard] = useState(dummyDashboard);

    return {
        loading: false,
        reloadDashboard: jest.fn(),
        setDashboard: jest.fn(),
        dashboard,
    };
}

export function useWidget(dashboardId: string, widgetId: string, onWidgetFetched: Function) {
    const [widget] = useState({
        id: "123",
        name: "Correlation of COVID cases to deaths",
        datasetType: DatasetType.DynamicDataset,
        widgetType: "Text",
        order: 1,
        updatedAt: "",
        content: {
            text: "test",
            s3Key: {
                raw: "abc.jpeg",
            },
        },
    });

    const [currentJson] = useState([]);

    return {
        loading: false,
        currentJson,
        dynamicJson: [],
        staticJson: [],
        csvJson: [],
        setCurrentJson: jest.fn(),
        setDynamicJson: jest.fn(),
        setStaticJson: jest.fn(),
        setCsvJson: jest.fn(),
        setWidget: jest.fn(),
        setDatasetType: jest.fn(),
        datasetType: DatasetType.DynamicDataset,
        widget: widget,
    };
}

export function useWidgets(dashboardId: string) {
    return;
}

export function useLogo(s3Key: string | undefined): UseLogoHook {
    return {
        loadingFile: false,
        logo: undefined,
    } as UseLogoHook;
}

export function useFavicon(s3Key: string | undefined): UseFaviconHook {
    return {
        loadingFile: false,
        favicon: undefined,
    } as UseFaviconHook;
}

export function usePublicHomepage() {
    return {
        loading: false,
        homepage: {
            title: "Kingdom of Wakanda",
            description: "Welcome to our dashboard",
            dashboards: [
                {
                    id: "abc",
                    name: "Dashboard One",
                    topicAreaId: "123456789",
                    topicAreaName: "Topic Area Bananas",
                },
                {
                    id: "xyz",
                    name: "Dashboard Two",
                    topicAreaId: "987654321",
                    topicAreaName: "Topic Area Grapes",
                },
            ],
        },
    };
}

export function usePublicHomepageSearch(query: string) {
    return {
        loading: false,
        homepage: {
            title: "Kingdom of Wakanda",
            description: "Welcome to our dashboard",
            dashboards: [
                {
                    id: "abc",
                    name: "Dashboard One",
                    topicAreaId: "123456789",
                    topicAreaName: "Topic Area Bananas",
                    queryMatches: ["Dashboard One"],
                },
            ],
        },
    };
}

export function useHomepage() {
    return {
        loading: false,
        homepage: {
            title: "Kingdom of Wakanda",
            description: "Welcome to our dashboard",
            updatedAt: "",
        },
    };
}

export function usePublicDashboard(dashboardId: string) {
    return {
        loading: false,
        dashboard: dummyDashboard,
        reloadDashboard: jest.fn(),
    };
}

export function useJsonDataset(s3Key: string) {
    const [jsonDataset] = useState({
        loading: false,
        json: [
            {
                City: "Seattle",
                Jobs: 300,
            },
            {
                City: "San Francisco",
                Jobs: 150,
            },
        ],
    });
    return jsonDataset;
}

export function useDatasets() {
    const [datasets] = useState([
        {
            id: "123",
            fileName: "abc",
            s3Key: {
                raw: "abc.csv",
                json: "abc.json",
            },
            sourceType: SourceType.FileUpload,
        },
        {
            id: "123",
            fileName: "abc",
            s3Key: {
                raw: "",
                json: "abc.json",
            },
            sourceType: SourceType.IngestApi,
        },
        {
            id: "456",
            fileName: "def",
            s3Key: {
                raw: "",
                json: "def.json",
            },
            sourceType: SourceType.IngestApi,
        },
    ]);

    const [dynamicDatasets] = useState([
        {
            id: "123",
            fileName: "abc",
            s3Key: {
                raw: "",
                json: "abc.json",
            },
            sourceType: SourceType.IngestApi,
        },
    ]);

    const [dynamicMetricDatasets] = useState([
        {
            id: "456",
            fileName: "def",
            s3Key: {
                raw: "",
                json: "def.json",
            },
            sourceType: SourceType.IngestApi,
        },
    ]);

    const [staticDatasets] = useState([
        {
            id: "123",
            fileName: "abc",
            s3Key: {
                raw: "abc.csv",
                json: "abc.json",
            },
            createdBy: "andrew",
            updatedAt: "1/1/2000",
            sourceType: SourceType.FileUpload,
        },
    ]);

    return {
        loadingDatasets: false,
        datasets: datasets,
        dynamicDatasets: dynamicDatasets,
        dynamicMetricDatasets: dynamicMetricDatasets,
        staticDatasets: staticDatasets,
        reloadDatasets: jest.fn(),
    };
}

export function useColors(numberOfColors: number) {
    return [
        "#29B4BB",
        "#3F29C8",
        "#E17316",
        "#CE167E",
        "#7D70F9",
        "#40E15D",
        "#2168E5",
        "#5B20A2",
        "#D7B40A",
        "#BE5B0F",
        "#217C59",
        "#8DED43",
    ];
}

export function useDashboardVersions(parentDashboardId: string) {
    return {
        loading: false,
        versions: [
            {
                id: "001",
                version: 1,
                state: DashboardState.Draft,
            },
            {
                id: "002",
                version: 2,
                state: DashboardState.Published,
            },
        ],
    };
}

export function useImage() {
    return {
        loading: false,
        file: {
            type: "image/png",
            name: "myphoto.png",
            size: 100,
        },
    };
}

export function useSampleDataset() {
    return {
        loading: false,
        dataset: {
            data: [],
            headers: [],
        },
    };
}

export function useTopicArea() {
    return {
        loading: false,
        topicarea: {
            id: "123456789",
            name: "Health Topic",
            createdBy: "johndoe",
        },
    };
}

export function useDateTimeFormatter() {
    dayjs.extend(utc);
    return useCallback((dateToDisplay: Date) => {
        return dayjs.utc(dateToDisplay).format("YYYY-MM-DD HH:mm");
    }, []);
}

export function useUsers() {
    const [users] = useState([
        {
            userId: "johndoe",
            email: "johndoe@example.com",
            status: "CONFIRMED",
            roles: ["Admin"],
        },
    ]);

    return {
        loading: false,
        users,
        reloadUsers: jest.fn(),
    };
}

export function useCurrentAuthenticatedUser() {
    const [username] = useState("johndoe");
    const [roles] = useState({
        isAdmin: true,
        isEditor: false,
        isPublisher: false,
    });

    return {
        username,
        isAdmin: roles.isAdmin,
        isEditor: roles.isEditor,
        isPublisher: roles.isPublisher,
        hasRole: true,
    };
}

export function useDashboardHistory() {
    const [loading] = useState(false);
    const [auditlogs] = useState<DashboardAuditLog[]>([
        {
            itemId: "001",
            timestamp: new Date("2020-12-08T22:56:13.721Z"),
            event: "Create",
            version: 1,
            userId: "johndoe",
        },
        {
            itemId: "001",
            timestamp: new Date("2020-12-09T00:10:10.600Z"),
            event: "Update",
            version: 1,
            userId: "johndoe",
            modifiedProperties: [
                {
                    property: "state",
                    oldValue: "Draft",
                    newValue: "PublishPending",
                },
            ],
        },
    ]);
    return {
        loading,
        auditlogs,
    };
}

export function useWidgetDataset(widget: Widget) {
    const [loading] = useState<boolean>(false);
    const [jsonHeaders] = useState<string[]>(["City", "Jobs"]);
    const [json] = useState<any[]>([
        {
            City: "Seattle",
            Jobs: 300,
        },
        {
            City: "San Francisco",
            Jobs: 150,
        },
    ]);

    return {
        loading,
        json,
        jsonHeaders,
    };
}

export function useFriendlyUrl() {
    const [friendlyURL] = useState("/foo");
    return {
        friendlyURL,
    };
}

export function useFullPreview() {
    return {
        fullPreview: false,
        fullPreviewButton: <button type="button">Expand preview</button>,
    };
}

export function useYAxisMetadata() {
    const [yAxisLargestValue] = useState(100);
    const [yAxisMargin] = useState(0);
    return {
        yAxisLargestValue,
        yAxisMargin,
    };
}

export function useXAxisMetadata() {
    const [xAxisLargestValue] = useState(0);
    return {
        xAxisLargestValue,
    };
}

export function useTableMetadata() {
    const [largestTickByColumn] = useState({});
    return {
        largestTickByColumn,
    };
}

export function useWindowSize() {
    const [size] = useState({
        width: 1024,
        height: 768,
    });

    return size;
}

export function useChangeBackgroundColor() {
    return document.body.style.background;
}

export function useScrollUp(
    oldStep: number,
    step: number,
    setOldStep: Dispatch<SetStateAction<number>>,
) {
    return window;
}

export function useFileLoaded(
    setToHide: Dispatch<SetStateAction<boolean>>,
    loadingFile: boolean,
    loadingSettings: boolean,
    settings: PublicSettings | Settings,
    logoOrFav: "logo" | "favicon",
) {
    // firstFileUpdate stops useEffect from executing after the first render
    // secondFileUpdate stops useEffect from executing when resource starts loading
    const firstFileUpdate = useRef(true);
    const secondFileUpdate = useRef(true);
    useEffect(() => {
        if (secondFileUpdate.current) {
            if (firstFileUpdate.current) {
                firstFileUpdate.current = false;
                return;
            }
            secondFileUpdate.current = false;
            return;
        }
        setToHide(false);
    }, [loadingFile]);

    // firstSettingsUpdate stops useEffect from executing after the first render
    // secondSettingsFileUpdate stops useEffect from executing when resource starts loading
    const firstSettingsUpdate = useRef(true);
    const secondSettingsUpdate = useRef(true);
    useEffect(() => {
        if (secondSettingsUpdate.current) {
            if (firstSettingsUpdate.current) {
                firstSettingsUpdate.current = false;
                return;
            }
            secondSettingsUpdate.current = false;
            return;
        }

        if (logoOrFav === "logo" && settings.customLogoS3Key === undefined) {
            setToHide(false);
        }

        if (logoOrFav === "favicon" && settings.customFaviconS3Key === undefined) {
            setToHide(false);
        }
    }, [loadingSettings]);
}