// js/main.js

// EventBus
const EventBus = {
    listeners: {},
    
    on(event, callback) {
        if (!this.listeners[event]) {
            this.listeners[event] = [];
        }
        this.listeners[event].push(callback);
    },
    
    emit(event, data) {
        if (this.listeners[event]) {
            this.listeners[event].forEach(callback => callback(data));
        }
    }
};

// NotificationService
class NotificationService {
    constructor() {
        this.toastElement = document.getElementById('toast');
    }

    showMessage(message, type = 'info') {
        this.toastElement.textContent = message;
        this.toastElement.className = `fixed bottom-4 right-4 px-6 py-3 rounded shadow-lg ${
            type === 'error' ? 'bg-red-500' : 'bg-green-500'
        } text-white`;
        
        this.toastElement.classList.remove('hidden');
        
        setTimeout(() => {
            this.toastElement.classList.add('hidden');
        }, 3000);
    }

    showError(message) {
        this.showMessage(message, 'error');
    }

    showSuccess(message) {
        this.showMessage(message, 'success');
    }
}

// ApiClient
class ApiClient {
    constructor({ baseUrl, authToken, csrfToken }) {
        this.baseUrl = baseUrl;
        this.authToken = authToken;
        this.csrfToken = csrfToken;
    }

    async request(endpoint, options = {}) {
        const url = `${this.baseUrl}${endpoint}`;
        const headers = {
            'Content-Type': 'application/json',
            'Authorization': `Token ${this.authToken}`,
            'X-CSRF-Token': this.csrfToken
        };

        try {
            const response = await fetch(url, {
                ...options,
                headers: {
                    ...headers,
                    ...options.headers
                }
            });

            if (!response.ok) {
                throw new Error(`HTTP error! status: ${response.status}`);
            }

            const contentType = response.headers.get("content-type");
            if (contentType && contentType.includes("application/json")) {
                return await response.json();
            }

            return await response.text();
        } catch (error) {
            console.error('API request failed:', error);
            throw error;
        }
    }

    // API methods
    async getEvents() {
        return this.request('/new-events/');
    }

    async getZekkenNumbers(eventCode) {
        return this.request(`/zekken_numbers/${eventCode}`);
    }

    async getTeamInfo(zekkenNumber) {
        return this.request(`/team_info/${zekkenNumber}/`);
    }

    // ... その他のAPI methods
}

// PointsCalculator
class PointsCalculator {
    calculate({ checkins, latePoints = 0 }) {
        const totalPoints = this.calculateTotalPoints(checkins);
        const buyPoints = this.calculateBuyPoints(checkins);
        
        return {
            totalPoints,
            buyPoints,
            latePoints,
            finalPoints: totalPoints + buyPoints + latePoints
        };
    }

    calculateTotalPoints(checkins) {
        return checkins.reduce((total, checkin) => {
            if (checkin.validate_location && !checkin.buy_flag) {
                return total + (checkin.checkin_point || 0);
            }
            return total;
        }, 0);
    }

    calculateBuyPoints(checkins) {
        return checkins.reduce((total, checkin) => {
            if (checkin.validate_location && checkin.buy_flag) {
                return total + (checkin.buy_point || 0);
            }
            return total;
        }, 0);
    }
}

// SupervisorPanel - メインアプリケーションクラス
class SupervisorPanel {
    constructor(options) {
        this.element = options.element;
        this.apiClient = new ApiClient(options.apiConfig);
        this.notification = new NotificationService();
        this.pointsCalculator = new PointsCalculator();
        this.eventBus = EventBus;
        
        this.state = {
            currentEvent: null,
            currentZekken: null,
            teamData: null,
            checkins: []
        };
    }

    // ... SupervisorPanelの実装 ...
}

// アプリケーションの初期化
document.addEventListener('DOMContentLoaded', () => {
    const app = new SupervisorPanel({
        element: document.getElementById('app'),
        apiConfig: {
            baseUrl: '/api',
            authToken: localStorage.getItem('authToken'),
            csrfToken: document.querySelector('meta[name="csrf-token"]').content
        }
    });
    
    app.initialize();
});