// js/SupervisorPanel.js
import { CheckinList } from './components/CheckinList.js';
import { TeamSummary } from './components/TeamSummary.js';
import { PointsCalculator } from './utils/PointsCalculator.js';
import { DateFormatter } from './utils/DateFormatter.js';
import { NotificationService } from './services/NotificationService.js';

export class SupervisorPanel {
    constructor({ element, template, apiClient, eventBus }) {
        this.element = element;
        this.template = template;
        this.apiClient = apiClient;
        this.eventBus = eventBus;
        this.notification = new NotificationService();
        this.pointsCalculator = new PointsCalculator();
        
        this.state = {
            currentEvent: null,
            currentZekken: null,
            teamData: null,
            checkins: []
        };
    }

    async initialize() {
        this.render();
        this.initializeComponents();
        this.bindEvents();
        await this.loadInitialData();
    }

    render() {
        this.element.innerHTML = this.template.innerHTML;
        
        // コンポーネントの初期化
        this.checkinList = new CheckinList({
            element: document.getElementById('checkinList'),
            onUpdate: this.handleCheckinUpdate.bind(this)
        });

        this.teamSummary = new TeamSummary({
            element: document.getElementById('team-summary'),
            onGoalTimeUpdate: this.handleGoalTimeUpdate.bind(this)
        });
    }

    initializeComponents() {
        // Sortable.jsの初期化
        new Sortable(document.getElementById('checkinList'), {
            animation: 150,
            onEnd: this.handlePathOrderChange.bind(this)
        });
    }

    bindEvents() {
        // イベント選択
        document.getElementById('eventCode').addEventListener('change', 
            this.handleEventChange.bind(this));

        // ゼッケン番号選択
        document.getElementById('zekkenNumber').addEventListener('change',
            this.handleZekkenChange.bind(this));

        // ボタンのイベントハンドラ
        document.getElementById('addCpButton').addEventListener('click',
            this.handleAddCP.bind(this));
        document.getElementById('saveButton').addEventListener('click',
            this.handleSave.bind(this));
        document.getElementById('exportButton').addEventListener('click',
            this.handleExport.bind(this));
    }

    async loadInitialData() {
        try {
            const events = await this.apiClient.getEvents();
            this.populateEventSelect(events);
        } catch (error) {
            this.notification.showError('イベントの読み込みに失敗しました');
        }
    }

    async handleEventChange(event) {
        const eventCode = event.target.value;
        if (!eventCode) return;

        try {
            const zekkenNumbers = await this.apiClient.getZekkenNumbers(eventCode);
            this.populateZekkenSelect(zekkenNumbers);
            this.state.currentEvent = eventCode;
        } catch (error) {
            this.notification.showError('ゼッケン番号の読み込みに失敗しました');
        }
    }

    async handleZekkenChange(event) {
        const zekkenNumber = event.target.value;
        if (!zekkenNumber || !this.state.currentEvent) return;

        try {
            const [teamData, checkins] = await Promise.all([
                this.apiClient.getTeamInfo(zekkenNumber),
                this.apiClient.getCheckins(zekkenNumber, this.state.currentEvent)
            ]);

            this.state.currentZekken = zekkenNumber;
            this.state.teamData = teamData;
            this.state.checkins = checkins;

            this.updateUI();
        } catch (error) {
            this.notification.showError('チームデータの読み込みに失敗しました');
        }
    }

    async handleGoalTimeUpdate(newTime) {
        if (!this.state.teamData) return;

        try {
            const response = await this.apiClient.updateTeamGoalTime(
                this.state.currentZekken,
                newTime
            );

            this.state.teamData.end_datetime = newTime;
            this.validateGoalTime();
            this.teamSummary.update(this.state.teamData);
        } catch (error) {
            this.notification.showError('ゴール時刻の更新に失敗しました');
        }
    }

    async handleCheckinUpdate(checkinId, updates) {
        try {
            const response = await this.apiClient.updateCheckin(checkinId, updates);
            const index = this.state.checkins.findIndex(c => c.id === checkinId);
            if (index !== -1) {
                this.state.checkins[index] = { ...this.state.checkins[index], ...updates };
                this.calculatePoints();
                this.updateUI();
            }
        } catch (error) {
            this.notification.showError('チェックインの更新に失敗しました');
        }
    }

    async handlePathOrderChange(event) {
        const newOrder = Array.from(event.to.children).map((element, index) => ({
            id: element.dataset.id,
            path_order: index + 1
        }));

        try {
            await this.apiClient.updatePathOrders(newOrder);
            this.state.checkins = this.state.checkins.map(checkin => {
                const orderUpdate = newOrder.find(update => update.id === checkin.id);
                return orderUpdate ? { ...checkin, path_order: orderUpdate.path_order } : checkin;
            });
        } catch (error) {
            this.notification.showError('走行順の更新に失敗しました');
        }
    }

    async handleAddCP() {
        try {
            const newCP = await this.showAddCPModal();
            if (!newCP) return;

            const response = await this.apiClient.addCheckin(
                this.state.currentZekken,
                newCP
            );

            this.state.checkins.push(response);
            this.updateUI();
        } catch (error) {
            this.notification.showError('CPの追加に失敗しました');
        }
    }

    async handleSave() {
        try {
            await this.apiClient.saveAllChanges({
                zekkenNumber: this.state.currentZekken,
                checkins: this.state.checkins,
                teamData: this.state.teamData
            });
            
            this.notification.showSuccess('保存が完了しました');
        } catch (error) {
            this.notification.showError('保存に失敗しました');
        }
    }

    handleExport() {
        if (!this.state.currentZekken) {
            this.notification.showError('ゼッケン番号を選択してください');
            return;
        }

        const exportUrl = `${this.apiClient.baseUrl}/export-excel/${this.state.currentZekken}`;
        window.open(exportUrl, '_blank');
    }

    validateGoalTime() {
        if (!this.state.teamData || !this.state.teamData.end_datetime) return;

        const endTime = new Date(this.state.teamData.end_datetime);
        const eventEndTime = new Date(this.state.teamData.event_end_time);
        const timeDiff = (endTime - eventEndTime) / (1000 * 60);

        this.state.teamData.validation = {
            status: timeDiff <= 15 ? '合格' : '失格',
            latePoints: timeDiff > 15 ? Math.floor(timeDiff - 15) * -50 : 0
        };
    }

    calculatePoints() {
        const points = this.pointsCalculator.calculate({
            checkins: this.state.checkins,
            latePoints: this.state.teamData?.validation?.latePoints || 0
        });

        this.state.points = points;
    }

    updateUI() {
        // チーム情報の更新
        this.teamSummary.update(this.state.teamData);
        
        // チェックインリストの更新
        this.checkinList.update(this.state.checkins);
        
        // ポイントの再計算と表示
        this.calculatePoints();
        this.updatePointsDisplay();
    }

    updatePointsDisplay() {
        const { totalPoints, buyPoints, latePoints, finalPoints } = this.state.points;
        
        document.getElementById('totalPoints').textContent = totalPoints;
        document.getElementById('buyPoints').textContent = buyPoints;
        document.getElementById('latePoints').textContent = latePoints;
        document.getElementById('finalPoints').textContent = finalPoints;
    }

    populateEventSelect(events) {
        const select = document.getElementById('eventCode');
        select.innerHTML = '<option value="">イベントを選択</option>';
        
        events.forEach(event => {
            const option = document.createElement('option');
            option.value = event.code;
            option.textContent = this.escapeHtml(event.name);
            select.appendChild(option);
        });
    }

    populateZekkenSelect(numbers) {
        const select = document.getElementById('zekkenNumber');
        select.innerHTML = '<option value="">ゼッケン番号を選択</option>';
        
        numbers.forEach(number => {
            const option = document.createElement('option');
            option.value = number;
            option.textContent = this.escapeHtml(number.toString());
            select.appendChild(option);
        });
    }

    escapeHtml(str) {
        const div = document.createElement('div');
        div.textContent = str;
        return div.innerHTML;
    }
}