import * as React from "react";
import { CommandBar, ContextualMenuItemType, ICommandBarItemProps } from "@fluentui/react";
import { scopedLogger } from "@hpcc-js/util";
import * as domClass from "dojo/dom-class";
import * as ESPWorkunit from "src/ESPWorkunit";
import * as WsWorkunits from "src/WsWorkunits";
import { formatCost } from "src/Session";
import * as Utility from "src/Utility";
import nlsHPCC from "src/nlsHPCC";
import { useConfirm } from "../hooks/confirm";
import { useGrid } from "../hooks/grid";
import { useBuildInfo } from "../hooks/platform";
import { HolyGrail } from "../layouts/HolyGrail";
import { pushParams } from "../util/history";
import { Fields } from "./forms/Fields";
import { Filter } from "./forms/Filter";
import { ShortVerticalDivider } from "./Common";
import { selector } from "./DojoGrid";

const logger = scopedLogger("src-react/components/Workunits.tsx");

const FilterFields: Fields = {
    "Type": { type: "checkbox", label: nlsHPCC.ArchivedOnly },
    "Wuid": { type: "string", label: nlsHPCC.WUID, placeholder: "W20200824-060035" },
    "Owner": { type: "string", label: nlsHPCC.Owner, placeholder: nlsHPCC.jsmi },
    "Jobname": { type: "string", label: nlsHPCC.JobName, placeholder: nlsHPCC.log_analysis_1 },
    "Cluster": { type: "target-cluster", label: nlsHPCC.Cluster, placeholder: "" },
    "State": { type: "workunit-state", label: nlsHPCC.State, placeholder: "" },
    "ECL": { type: "string", label: nlsHPCC.ECL, placeholder: nlsHPCC.dataset },
    "LogicalFile": { type: "string", label: nlsHPCC.LogicalFile, placeholder: nlsHPCC.somefile },
    "LogicalFileSearchType": { type: "logicalfile-type", label: nlsHPCC.LogicalFileType, placeholder: "", disabled: (params: Fields) => !params.LogicalFile.value },
    "LastNDays": { type: "string", label: nlsHPCC.LastNDays, placeholder: "2" },
    "StartDate": { type: "datetime", label: nlsHPCC.FromDate, placeholder: "" },
    "EndDate": { type: "datetime", label: nlsHPCC.ToDate, placeholder: "" },
};

function formatQuery(_filter) {
    const filter = { ..._filter };
    if (filter.LastNDays) {
        const end = new Date();
        const start = new Date();
        start.setDate(end.getDate() - filter.LastNDays);
        filter.StartDate = start.toISOString();
        filter.EndDate = end.toISOString();
        delete filter.LastNDays;
    } else {
        if (filter.StartDate) {
            filter.StartDate = new Date(filter.StartDate).toISOString();
        }
        if (filter.EndDate) {
            filter.EndDate = new Date(filter.StartDate).toISOString();
        }
    }
    logger.debug(filter);
    return filter;
}

const defaultUIState = {
    hasSelection: false,
    hasProtected: false,
    hasNotProtected: false,
    hasFailed: false,
    hasNotFailed: false,
    hasCompleted: false,
    hasNotCompleted: false
};

interface WorkunitsProps {
    filter?: object;
    store?: any;
}

const emptyFilter = {};

export const Workunits: React.FunctionComponent<WorkunitsProps> = ({
    filter = emptyFilter,
    store
}) => {

    const [showFilter, setShowFilter] = React.useState(false);
    const [mine, setMine] = React.useState(false);
    const [uiState, setUIState] = React.useState({ ...defaultUIState });
    const [, { currencyCode }] = useBuildInfo();

    //  Grid ---
    const [Grid, selection, refreshTable, copyButtons] = useGrid({
        store: store ? store : ESPWorkunit.CreateWUQueryStore({}),
        query: formatQuery(filter),
        sort: [{ attribute: "Wuid", "descending": true }],
        filename: "workunits",
        columns: {
            col1: selector({
                width: 27,
                selectorType: "checkbox"
            }),
            Protected: {
                renderHeaderCell: function (node) {
                    node.innerHTML = Utility.getImageHTML("locked.png", nlsHPCC.Protected);
                },
                width: 25,
                sortable: false,
                formatter: function (_protected) {
                    if (_protected === true) {
                        return Utility.getImageHTML("locked.png");
                    }
                    return "";
                }
            },
            Wuid: {
                label: nlsHPCC.WUID, width: 180,
                formatter: function (Wuid, row) {
                    const wu = ESPWorkunit.Get(Wuid);
                    return `${wu.getStateImageHTML()}&nbsp;<a href='#/workunits/${Wuid}'>${Wuid}</a>`;
                }
            },
            Owner: { label: nlsHPCC.Owner, width: 90 },
            Jobname: { label: nlsHPCC.JobName, width: 350 },
            Cluster: { label: nlsHPCC.Cluster, width: 60 },
            RoxieCluster: { label: nlsHPCC.RoxieCluster, width: 90 },
            State: { label: nlsHPCC.State, width: 60 },
            TotalClusterTime: {
                label: nlsHPCC.TotalClusterTime, width: 115,
                renderCell: function (object, value, node) {
                    domClass.add(node, "justify-right");
                    node.innerText = value;
                }
            },
            ExecuteCost: {
                label: nlsHPCC.ExecuteCost, width: 100,
                formatter: function (cost, row) {
                    return `${formatCost(cost ?? 0)} (${currencyCode || "$"})`;
                }
            },
            FileAccessCost: {
                label: nlsHPCC.FileAccessCost, width: 100,
                formatter: function (cost, row) {
                    return `${formatCost(cost ?? 0)} (${currencyCode || "$"})`;
                }
            }
        }
    });

    const [DeleteConfirm, setShowDeleteConfirm] = useConfirm({
        title: nlsHPCC.Delete,
        message: nlsHPCC.DeleteSelectedWorkunits,
        items: selection.map(s => s.Wuid),
        onSubmit: React.useCallback(() => {
            WsWorkunits.WUAction(selection, "Delete").then(() => refreshTable(true));
        }, [refreshTable, selection])
    });

    //  Filter  ---
    const filterFields: Fields = {};
    for (const fieldID in FilterFields) {
        filterFields[fieldID] = { ...FilterFields[fieldID], value: filter[fieldID] };
    }

    //  Command Bar  ---
    const buttons = React.useMemo((): ICommandBarItemProps[] => [
        {
            key: "refresh", text: nlsHPCC.Refresh, iconProps: { iconName: "Refresh" },
            onClick: () => refreshTable()
        },
        { key: "divider_1", itemType: ContextualMenuItemType.Divider, onRender: () => <ShortVerticalDivider /> },
        {
            key: "open", text: nlsHPCC.Open, disabled: !uiState.hasSelection, iconProps: { iconName: "WindowEdit" },
            onClick: () => {
                if (selection.length === 1) {
                    window.location.href = `#/workunits/${selection[0].Wuid}`;
                } else {
                    for (let i = selection.length - 1; i >= 0; --i) {
                        window.open(`#/workunits/${selection[i].Wuid}`, "_blank");
                    }
                }
            }
        },
        {
            key: "delete", text: nlsHPCC.Delete, disabled: !uiState.hasNotProtected, iconProps: { iconName: "Delete" },
            onClick: () => setShowDeleteConfirm(true)
        },
        { key: "divider_2", itemType: ContextualMenuItemType.Divider, onRender: () => <ShortVerticalDivider /> },
        {
            key: "setFailed", text: nlsHPCC.SetToFailed, disabled: !uiState.hasNotProtected,
            onClick: () => { WsWorkunits.WUAction(selection, "SetToFailed"); }
        },
        {
            key: "abort", text: nlsHPCC.Abort, disabled: !uiState.hasNotCompleted,
            onClick: () => { WsWorkunits.WUAction(selection, "Abort"); }
        },
        { key: "divider_3", itemType: ContextualMenuItemType.Divider, onRender: () => <ShortVerticalDivider /> },
        {
            key: "protect", text: nlsHPCC.Protect, disabled: !uiState.hasNotProtected,
            onClick: () => { WsWorkunits.WUAction(selection, "Protect"); }
        },
        {
            key: "unprotect", text: nlsHPCC.Unprotect, disabled: !uiState.hasProtected,
            onClick: () => { WsWorkunits.WUAction(selection, "Unprotect"); }
        },
        { key: "divider_4", itemType: ContextualMenuItemType.Divider, onRender: () => <ShortVerticalDivider /> },
        {
            key: "filter", text: nlsHPCC.Filter, disabled: !!store, iconProps: { iconName: "Filter" },
            onClick: () => { setShowFilter(true); }
        },
        {
            key: "mine", text: nlsHPCC.Mine, disabled: true, iconProps: { iconName: "Contact" }, canCheck: true, checked: mine,
            onClick: () => { setMine(!mine); }
        },
    ], [mine, refreshTable, selection, setShowDeleteConfirm, store, uiState.hasNotCompleted, uiState.hasNotProtected, uiState.hasProtected, uiState.hasSelection]);

    //  Selection  ---
    React.useEffect(() => {
        const state = { ...defaultUIState };

        for (let i = 0; i < selection.length; ++i) {
            state.hasSelection = true;
            if (selection[i] && selection[i].Protected !== null) {
                if (selection[i].Protected !== false) {
                    state.hasProtected = true;
                } else {
                    state.hasNotProtected = true;
                }
            }
            if (selection[i] && selection[i].StateID !== null) {
                if (selection[i].StateID === 4) {
                    state.hasFailed = true;
                } else {
                    state.hasNotFailed = true;
                }
                if (WsWorkunits.isComplete(selection[i].StateID, selection[i].ActionEx)) {
                    state.hasCompleted = true;
                } else {
                    state.hasNotCompleted = true;
                }
            }
        }
        setUIState(state);
    }, [selection]);

    return <HolyGrail
        header={<CommandBar items={buttons} farItems={copyButtons} />}
        main={
            <>
                <Grid />
                <Filter showFilter={showFilter} setShowFilter={setShowFilter} filterFields={filterFields} onApply={pushParams} />
                <DeleteConfirm />
            </>
        }
    />;
};