window.App = {
    healthInterval: null,

    init: function () {
        // API key setup
        var keyInput = Utils.$('#api-key-input');
        Api._apiKey = Api.getApiKey();
        keyInput.value = Api.getApiKey();

        keyInput.addEventListener('change', function () {
            Api.setApiKey(keyInput.value.trim());
            keyInput.classList.remove('error');
            Utils.showToast('API key updated', 'info');
        });

        // Toggle key visibility
        Utils.$('#toggle-key-vis').addEventListener('click', function () {
            var type = keyInput.type === 'password' ? 'text' : 'password';
            keyInput.type = type;
        });

        // Initialize modules
        History.init();
        Stats.init();
        Upload.init();
        Results.showEmpty();

        // Health check polling
        this.checkHealth();
        var self = this;
        this.healthInterval = setInterval(function () {
            self.checkHealth();
        }, 30000);

        // Warm up models on first load
        this.warmUp();
    },

    checkHealth: function () {
        var indicator = Utils.$('#health-indicator');
        Api.checkHealth()
            .then(function (data) {
                if (data.status === 'healthy') {
                    indicator.className = 'health-dot healthy';
                    indicator.title = 'Healthy | Uptime: ' + Math.floor(data.uptime_seconds) + 's';
                } else {
                    indicator.className = 'health-dot unhealthy';
                    indicator.title = 'Unhealthy';
                }
            })
            .catch(function () {
                indicator.className = 'health-dot offline';
                indicator.title = 'Server unreachable';
            });
    },

    warmUp: function () {
        Api.warmUp()
            .then(function (data) {
                if (data.status === 'warm') {
                    Utils.showToast('Models loaded', 'success');
                }
            })
            .catch(function () {
                // Warm-up failed silently — models will load on first request
            });
    },
};

document.addEventListener('DOMContentLoaded', function () {
    App.init();
});