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{% extends "base.html" %}
{% block head %}
<link rel="stylesheet" type="text/css" href="assets/css/search.css">
<link rel="stylesheet" type="text/css" href="assets/css/timeline.css">
<link rel="stylesheet" type="text/css" href="assets/css/tooltip.css">

<script type="module">
import {CommitBank} from '/assets/js/commit.js';
import {deepCompare, ErrorDisplay, queryToParams, paramsToQuery} from '/assets/js/common.js';
import {Configuration} from '/assets/js/configuration.js';
import {Drawer, BranchSelector, ConfigurationSelectors, LimitSlider} from '/assets/js/drawer.js';
import {InvestigateDrawer} from '/assets/js/investigate.js';
import {SearchBar} from '/assets/js/search.js';
import {Legend, TimelineFromEndpoint} from '/assets/js/timeline.js';
import {ToolTip} from '/assets/js/tooltip.js';
import {DOM, REF, EventStream} from '/library/js/Ref.js';

const DEFAULT_LIMIT = 100;
const SUITES = JSON.parse('{{ suites|safe }}');

class SearchView {
    constructor() {    
        this.currentParams = queryToParams(document.URL.split('?')[1]);
        this.currentLimit = this.currentParams.limit ? parseInt(this.currentParams.limit[this.currentParams.limit.length - 1]) : DEFAULT_LIMIT;
        delete this.currentParams.limit;

        let state = {children: [], prepending: []};
        if (this.currentParams.test && (!this.currentParams.suite || this.currentParams.test.length != this.currentParams.suite.length))
            state = {error: "Query Error", description: 'Must have the same number of suites and tests in query'};
        else if (this.currentParams.test) {
            for (let i = 0; i < this.currentParams.test.length; ++i) {
                state.children.push({
                    suite: this.currentParams.suite[i],
                    test: this.currentParams.test[i],
                    timeline: new TimelineFromEndpoint(`api/results/${this.currentParams.suite[i]}/${this.currentParams.test[i]}`, this.currentParams.suite[i]),
                });
            }
        }

        delete this.currentParams.suite;
        delete this.currentParams.test;

        const self = this;
        this.ref = REF.createRef({
            state: state,
            onStateUpdate: (element, diff, state) => {
                if (diff.error) {
                    DOM.inject(element, ErrorDisplay(diff));
                    return;
                }

                function renderChild(child) {
                    let exitRef = REF.createRef({
                        onElementMount: element => {
                            element.onclick = () => {
                                for (let i = 0; i < self.ref.state.children.length; ++i) {
                                    if (child.test !== self.ref.state.children[i].test && child.suite !== self.ref.state.children[i].suite)
                                        continue;
                                    self.ref.state.children.splice(i, 1);
                                    break;
                                }

                                const splitURL = document.URL.split('?');
                                let params = queryToParams(splitURL[1]);
                                if (!params.suite)
                                    params.suite = [];
                                if (!params.test)
                                    params.test = [];
                                for (let i = 0; i < params.suite.length; ++i) {
                                    // This shouldn't be possible, just keep the current params if it happens.
                                    if (i >= params.test.length)
                                        break;
                                    if (params.suite[i] !== child.suite && params.test[i] !== child.test)
                                        continue;
                                    params.suite.splice(i, 1);
                                    params.test.splice(i, 1);
                                    break;
                                }
                                if (params.suite.length === 0)
                                    delete params.suite;
                                if (params.test.length === 0)
                                    delete params.test;

                                const queryString = paramsToQuery(params);
                                window.history.pushState(queryString, '', splitURL[0] + '?' + queryString);

                                const section = element.parentElement.parentElement.parentElement.parentElement;
                                section.parentElement.removeChild(section);
                            };
                        },
                    });

                    return `<div class="section">
                            <div class="header">
                                <div class="title" style="font-size:var(--smallSize);word-break:break-word;">${child.test} (${child.suite})</div>
                                <div class="actions">
                                <div class="list">
                                    <a class="item link-button" ref="${exitRef}">X</a>
                                </div>
                                </div>
                            </div>
                            ${child.timeline}
                        </div>`;
                }

                if (diff.children)
                    DOM.inject(element, diff.children.map(renderChild).join(''));
                if (diff.prepending) {
                    diff.prepending.forEach(child => {
                        if (element.firstElementChild)
                            DOM.after(element.firstElementChild, renderChild(child));
                        else
                            DOM.inject(element, renderChild(child));
                        this.ref.state.children.unshift(child);
                    });
                } 
            }
        });
    }
    reload() {
        let params = queryToParams(document.URL.split('?')[1]);
        let limit = params.limit ? parseInt(params.limit[params.limit.length - 1]) : DEFAULT_LIMIT;

        // Try and determine if the tests we're displaying have changed.
        if (params.test && (!params.suite || params.test.length != params.suite.length))
            this.ref.setState({error: "Query Error", description: 'Must have the same number of suites and tests in query'});
        else if (params.test) {
            let needReRender = params.test.length != this.ref.state.children.length;
            let newChildren = [];

            for (let i = 0; i < params.test.length; ++i) {
                let didFind = false;
                for (let search = 0; search < this.ref.state.children.length; ++search) {
                    if (this.ref.state.children[search].suite === params.suite[i] && this.ref.state.children[search].test === params.test[i]) {
                        newChildren.push(this.ref.state.children[search]);
                        didFind = true;
                        this.ref.state.children.splice(search, 1);
                        break;
                    } else
                        this.ref.state.children[search].timeline.teardown();
                    needReRender = true;
                }
                if (!didFind) {
                    needReRender = true;

                    newChildren.push({
                        suite: params.suite[i],
                        test: params.test[i],
                        timeline: new TimelineFromEndpoint(`api/results/${params.suite[i]}/${params.test[i]}`),
                    });
                }
            }

            if (needReRender)
                this.ref.setState({children: newChildren});
            else
                this.ref.state.children = newChildren;
        }

        delete params.limit;
        delete params.suite;
        delete params.test;

        if (deepCompare(params, this.currentParams)) {
            if (limit === this.currentLimit)
                return;
            if (limit < this.currentLimit) {
                this.currentLimit = limit;
                this.ref.state.children.forEach(child => {
                    child.timeline.rerender();
                });
                return;
            }
            this.currentLimit = limit;
        }

        this.ref.state.children.forEach(child => {
            child.timeline.reload();
        });
        this.currentParams = params;
    }
    toString() {
        return `<div ref="${this.ref}"></div>`;
    }
    notifyTimelinesRender() {
        this.ref.state.children.forEach(child => {
            child.timeline.notifyRerender();
        });
    }
}

let view = new SearchView();
const onLayoutChange = new EventStream();
onLayoutChange.action(() => {
    view.notifyTimelinesRender();
});
window.onpopstate = event => {view.reload();};
window.onpushstate = event => {view.reload();};

let viewport = null;
DOM.inject(
    document.getElementById('app'),
    `${ToolTip}
    ${InvestigateDrawer}
    ${Drawer([
        Legend(() => {
            view.ref.state.children.forEach((child) => {
                child.timeline.update();
            });
        }, false),
        LimitSlider(() => {view.reload()}),
        BranchSelector(() => {
            CommitBank.reload();
            view.reload();
        }),
        ConfigurationSelectors(() => {view.reload()}),
    ], () => onLayoutChange.add())}

    <div class="main right-sidebar under-topbar-with-actions">
        <div class="content" ref=${REF.createRef({
                onElementMount: (element) => {
                    view.ref.state.children.forEach((child) => {
                        child.timeline.viewport = element;
                    });
                    viewport = element;
                }
            })}>
            ${SearchBar(function () {
                const splitURL = document.URL.split('?');
                let params = queryToParams(splitURL[1]);
                if (!params.suite)
                    params.suite = [];
                if (!params.test)
                    params.test = [];

                for (let i = 0; i < arguments.length; i++) {
                    let needToAdd = true;
                    if (!needToAdd)
                        continue;

                    let child = {
                        suite: arguments[i].suite,
                        test: arguments[i].test,
                        timeline: new TimelineFromEndpoint(`api/results/${arguments[i].suite}/${arguments[i].test}`, null, viewport),
                    }

                    view.ref.setState({prepending: [child]});
                    params.suite.push(child.suite);
                    params.test.push(child.test);
                }
                const queryString = paramsToQuery(params);
                window.history.pushState(queryString, '', splitURL[0] + '?' + queryString);
            }, SUITES)}
            ${view}
        </div>
    </div>`
);

</script>

{% endblock %}
{% block content %}

<div id="app">
</div>

{% endblock %}