/**
 * Account Manager Component
 * Registers itself to window.Components for Alpine.js to consume
 */
window.Components = window.Components || {};

window.Components.accountManager = () => ({
    searchQuery: '',
    deleteTarget: '',
    refreshing: false,
    toggling: false,
    deleting: false,
    reloading: false,

    get filteredAccounts() {
        const accounts = Alpine.store('data').accounts || [];
        if (!this.searchQuery || this.searchQuery.trim() === '') {
            return accounts;
        }

        const query = this.searchQuery.toLowerCase().trim();
        return accounts.filter(acc => {
            return acc.email.toLowerCase().includes(query) ||
                   (acc.projectId && acc.projectId.toLowerCase().includes(query)) ||
                   (acc.source && acc.source.toLowerCase().includes(query));
        });
    },

    formatEmail(email) {
        if (!email || email.length <= 40) return email;

        const [user, domain] = email.split('@');
        if (!domain) return email;

        // Preserve domain integrity, truncate username if needed
        if (user.length > 20) {
            return `${user.substring(0, 10)}...${user.slice(-5)}@${domain}`;
        }
        return email;
    },

    async refreshAccount(email) {
        return await window.ErrorHandler.withLoading(async () => {
            const store = Alpine.store('global');
            store.showToast(store.t('refreshingAccount', { email }), 'info');

            const { response, newPassword } = await window.utils.request(
                `/api/accounts/${encodeURIComponent(email)}/refresh`,
                { method: 'POST' },
                store.webuiPassword
            );
            if (newPassword) store.webuiPassword = newPassword;

            const data = await response.json();
            if (data.status === 'ok') {
                store.showToast(store.t('refreshedAccount', { email }), 'success');
                Alpine.store('data').fetchData();
            } else {
                throw new Error(data.error || store.t('refreshFailed'));
            }
        }, this, 'refreshing', { errorMessage: 'Failed to refresh account' });
    },

    async toggleAccount(email, enabled) {
        const store = Alpine.store('global');
        const password = store.webuiPassword;

        // Optimistic update: immediately update UI
        const dataStore = Alpine.store('data');
        const account = dataStore.accounts.find(a => a.email === email);
        if (account) {
            account.enabled = enabled;
        }

        try {
            const { response, newPassword } = await window.utils.request(`/api/accounts/${encodeURIComponent(email)}/toggle`, {
                method: 'POST',
                headers: { 'Content-Type': 'application/json' },
                body: JSON.stringify({ enabled })
            }, password);
            if (newPassword) store.webuiPassword = newPassword;

            const data = await response.json();
            if (data.status === 'ok') {
                const status = enabled ? store.t('enabledStatus') : store.t('disabledStatus');
                store.showToast(store.t('accountToggled', { email, status }), 'success');
                // Refresh to confirm server state
                await dataStore.fetchData();
            } else {
                store.showToast(data.error || store.t('toggleFailed'), 'error');
                // Rollback optimistic update on error
                if (account) {
                    account.enabled = !enabled;
                }
                await dataStore.fetchData();
            }
        } catch (e) {
            store.showToast(store.t('toggleFailed') + ': ' + e.message, 'error');
            // Rollback optimistic update on error
            if (account) {
                account.enabled = !enabled;
            }
            await dataStore.fetchData();
        }
    },

    async fixAccount(email) {
        const store = Alpine.store('global');
        store.showToast(store.t('reauthenticating', { email }), 'info');
        const password = store.webuiPassword;
        try {
            const urlPath = `/api/auth/url?email=${encodeURIComponent(email)}`;
            const { response, newPassword } = await window.utils.request(urlPath, {}, password);
            if (newPassword) store.webuiPassword = newPassword;

            const data = await response.json();
            if (data.status === 'ok') {
                window.open(data.url, 'google_oauth', 'width=600,height=700,scrollbars=yes');
            } else {
                store.showToast(data.error || store.t('authUrlFailed'), 'error');
            }
        } catch (e) {
            store.showToast(store.t('authUrlFailed') + ': ' + e.message, 'error');
        }
    },

    confirmDeleteAccount(email) {
        this.deleteTarget = email;
        document.getElementById('delete_account_modal').showModal();
    },

    async executeDelete() {
        const email = this.deleteTarget;
        return await window.ErrorHandler.withLoading(async () => {
            const store = Alpine.store('global');

            const { response, newPassword } = await window.utils.request(
                `/api/accounts/${encodeURIComponent(email)}`,
                { method: 'DELETE' },
                store.webuiPassword
            );
            if (newPassword) store.webuiPassword = newPassword;

            const data = await response.json();
            if (data.status === 'ok') {
                store.showToast(store.t('deletedAccount', { email }), 'success');
                Alpine.store('data').fetchData();
                document.getElementById('delete_account_modal').close();
                this.deleteTarget = '';
            } else {
                throw new Error(data.error || store.t('deleteFailed'));
            }
        }, this, 'deleting', { errorMessage: 'Failed to delete account' });
    },

    async reloadAccounts() {
        return await window.ErrorHandler.withLoading(async () => {
            const store = Alpine.store('global');

            const { response, newPassword } = await window.utils.request(
                '/api/accounts/reload',
                { method: 'POST' },
                store.webuiPassword
            );
            if (newPassword) store.webuiPassword = newPassword;

            const data = await response.json();
            if (data.status === 'ok') {
                store.showToast(store.t('accountsReloaded'), 'success');
                Alpine.store('data').fetchData();
            } else {
                throw new Error(data.error || store.t('reloadFailed'));
            }
        }, this, 'reloading', { errorMessage: 'Failed to reload accounts' });
    },

    /**
     * Get main model quota for display
     * Prioritizes flagship models (Opus > Sonnet > Flash)
     * @param {Object} account - Account object with limits
     * @returns {Object} { percent: number|null, model: string }
     */
    getMainModelQuota(account) {
        const limits = account.limits || {};
        
        const getQuotaVal = (id) => {
             const l = limits[id];
             if (!l) return -1;
             if (l.remainingFraction !== null) return l.remainingFraction;
             if (l.resetTime) return 0; // Rate limited
             return -1; // Unknown
        };

        const validIds = Object.keys(limits).filter(id => getQuotaVal(id) >= 0);
        
        if (validIds.length === 0) return { percent: null, model: '-' };

        const getPriority = (id) => {
            const lower = id.toLowerCase();
            const val = getQuotaVal(id);
            const isAlive = val > 0.01; // Treat < 1% as dead for priority purposes
            
            // Hierarchy: 
            // 1. High Tier (Alive)
            // 2. High Tier (Dead) - to warn user
            // 3. Low Tier (Alive) - fallback
            // 4. Low Tier (Dead)
            
            if (lower.includes('opus')) return isAlive ? 100 : 60;
            if (lower.includes('sonnet')) return isAlive ? 90 : 55;
            // Gemini 3 Pro / Ultra
            if (lower.includes('gemini-3') && (lower.includes('pro') || lower.includes('ultra'))) return isAlive ? 80 : 50;
            if (lower.includes('pro')) return isAlive ? 75 : 45; // Other Pro models
            
            // Mid/Low Tier
            if (lower.includes('haiku')) return isAlive ? 30 : 15;
            if (lower.includes('flash')) return isAlive ? 20 : 10;
            
            return isAlive ? 5 : 0;
        };

        // Sort by priority desc
        validIds.sort((a, b) => getPriority(b) - getPriority(a));

        const bestModel = validIds[0];
        const val = getQuotaVal(bestModel);
        
        return {
            percent: Math.round(val * 100),
            model: bestModel
        };
    }
});