import { h, PageHeader, Badge, Empty, Table, renderGuard, esc, enc, $val, apiFetch, toast, openModal, closeModal, formModal, definePage, refactorLoad, ActionCell, certStatusBadge, poll } from '/static/hoover/index.js?v=6';

function issueCertModal(state) {
    openModal((inner, idx) => {
        formModal(inner, 'Issue Certificate',
            [
                { label: 'Domain', id: 'ic-domain', placeholder: 'example.com' },
                { label: 'Email (optional)', id: 'ic-email', placeholder: 'you@example.com' },
            ],
            [
                { label: 'Cancel', cls: 'btn-outline', action: 'c', handler: () => closeModal(idx) },
                {
                    label: 'Issue', cls: 'btn-primary', action: 's', handler: async () => {
                        const domain = ($val('ic-domain') || '').trim();
                        if (!domain) { toast('Domain is required', 'error'); return; }
                        const body = { domain, email: ($val('ic-email') || '').trim() || undefined };
                        const resp = await apiFetch('/api/certs/issue/start', {
                            method: 'POST',
                            body,
                        });
                        if (resp.ok) {
                            toast('Issuance started for ' + domain, 'success');
                            closeModal(idx);
                            const rid = resp.data?.request_id;
                            if (rid) pollCertIssue(rid, state);
                        } else {
                            toast(resp.error || 'Failed', 'error');
                        }
                    },
                },
            ],
        );
    });
}

async function pollCertIssue(rid, state) {
    poll({
        url: '/api/certs/issue/' + enc(rid),
        successKey: (d) => d.status === 'completed',
        onErrorKey: (d) => d.status === 'failed',
        onComplete: (d) => {
            toast('Certificate issued for ' + (d.domain || rid), 'success');
            load(state);
        },
        onError: (d) => {
            toast('Issuance failed: ' + (d?.error || 'unknown'), 'error');
        },
    });
}

async function load(state, abortController, entry) {
    await refactorLoad(state,
        s => s.certs?.length,
        async (s, sig, isAborted) => {
            const r = await apiFetch('/api/certs/list', { signal: sig });
            if (isAborted()) return;
            if (r.ok) s.certs = r.data || [];
            else s.error = r.error;
        },
        { entry, abortController },
    );
}

export default definePage({
    init() {
        return { certs: [] };
    },
    subscribe: ['acme'],
    load,
    render(state) {
        const guard = renderGuard(state, 'Certificates', 'ACME certificate management', state.certs);
        if (guard) return guard;

        const rows = state.certs.map(c => {
            const badge = certStatusBadge({ expired: c.expired, daysRemaining: c.days_remaining });

            return h('tr', { key: c.domain },
                h('td', null, h('strong', null, esc(c.domain || 'unknown'))),
                h('td', { class: 'text-sm' }, esc(c.issuer || '-')),
                h('td', null, esc(c.expiry || 'N/A')),
                h('td', null, badge),
                ActionCell({
                    editLabel: 'Renew',
                    editClick: async () => {
                        const resp = await apiFetch('/api/certs/' + enc(c.domain) + '/renew', { method: 'POST' });
                        if (resp.ok) toast('Renewal started for ' + c.domain, 'success');
                        else toast(resp.error || 'Failed', 'error');
                    },
                    removeUrl: '/api/certs/' + enc(c.domain),
                    removeMessage: 'Remove certificate for ' + c.domain + '?',
                    removeSuccess: 'Certificate removed',
                    removeReload: () => load(state),
                }),
            );
        });

        return [
            PageHeader({
                title: 'Certificates',
                subtitle: 'ACME certificate management',
                actions: h('button', { class: 'btn btn-primary',
                    'on:click': () => issueCertModal(state) }, 'Issue Certificate'),
            }),
            rows.length
                ? Table({
                    columns: ['Domain', 'Issuer', 'Expiry', 'Status', 'Actions'],
                    rows,
                })
                : Empty({ text: 'No certificates found. Issue a certificate to get started.' }),
        ];
    },
});