import { html, PageHeader, Badge, Empty, ConfirmDelete, renderGuard, enc, esc, $val, definePage, getModel, MultiSelectModal, QuickModal } from '/static/hoover/index.js';

const addZone = QuickModal({
    title: 'Add Zone',
    fields: [
        { label: 'Zone name', id: 'zone-name', placeholder: 'e.g. internal' },
        { label: 'Target', id: 'zone-target', placeholder: 'default (usually leave as default)' },
    ],
    submit: {
        url: '/api/firewall/zones',
        body: () => ({ name: ($val('zone-name') || '').trim(), target: ($val('zone-target') || '').trim() || 'default' }),
        validate: (b) => !b.name ? 'Zone name required' : null,
        successMsg: 'Zone created',
    },
});

export default definePage({
    init() {
        return {
            firewall: getModel('firewall'),
        };
    },
    render(state) {
        const guard = renderGuard(state.firewall, 'Zones', 'Firewall zones', state.firewall.data?.zones);
        if (guard) return guard;

        const zones = Object.keys(state.firewall.data?.zones || {});
        const activeZones = state.firewall.data?.active_zones || {};
        const zoneDetails = {};
        for (const name of zones) {
            const activeIfaces = activeZones[name];
            zoneDetails[name] = { interfaces: Array.isArray(activeIfaces) ? activeIfaces : [] };
        }

        const zoneCards = Object.entries(zoneDetails).map(([name, zdata]) => {
            const z = typeof zdata === 'object' ? zdata : {};
            const ifacesArr = Array.isArray(z.interfaces) ? z.interfaces : [];
            const svcsArr = Array.isArray(z.services) ? z.services : [];
            return html`<div class="card" key=${name} style="position:relative">
                <div style="display:flex;justify-content:space-between;align-items:flex-start">
                    <div>
                        <h3 style="font-size:16px;color:var(--accent)">${name}</h3>
                        <div class="text-muted text-sm" style="margin-bottom:10px">
                            ${z.target ? 'Target: ' + esc(z.target) : ''}
                        </div>
                    </div>
                </div>
                <div class="text-sm mb-4">
                    <div class="text-muted" style="margin-bottom:4px">Interfaces</div>
                    ${ifacesArr.length
                        ? ifacesArr.map(i => html`<${Badge} text=${esc(i)} />`)
                        : html`<span class="text-muted">None</span>`}
                </div>
                <div class="text-sm mb-4">
                    <div class="text-muted" style="margin-bottom:4px">Services</div>
                    ${svcsArr.length
                        ? svcsArr.map(s => html`<${Badge} text=${esc(s)} variant="success" />`)
                        : html`<span class="text-muted">None</span>`}
                </div>
                <div style="display:flex;gap:6px">
                    <button class="btn btn-sm btn-outline"
                        onClick=${() => MultiSelectModal({
                            title: 'Interfaces: ' + name,
                            url: '/api/firewall/zones/' + enc(name) + '/interfaces',
                            options: (state.firewall.data?.interfaces || []).map(i => i.name),
                            selected: ifacesArr,
                            fieldKey: 'interfaces',
                            successMsg: 'Interfaces updated',
                        })()}>Interfaces</button>
                    <button class="btn btn-sm btn-outline"
                        onClick=${() => MultiSelectModal({
                            title: 'Services: ' + name,
                            url: '/api/firewall/zones/' + enc(name) + '/services',
                            options: state.firewall.data?.available_services || [],
                            selected: svcsArr,
                            fieldKey: 'services',
                            successMsg: 'Services updated',
                            confirm: (b) => {
                                const svcs = (b && b.services) || [];
                                const isDefault = name === state.firewall.data?.default_zone;
                                if (isDefault && !svcs.includes('https') && !svcs.includes('ssh')) {
                                    return 'This removes both HTTPS and SSH from the default zone ' +
                                        "'" + name + "'. Management access and remote recovery " +
                                        'through this zone will be blocked until you reach the ' +
                                        'appliance via console or another route.\n\nRemove them anyway?';
                                }
                                return null;
                            },
                        })()}>Services</button>
                    <${ConfirmDelete}
                        url=${'/api/firewall/zones/' + enc(name)}
                        deleteKey=${name}
                        message=${'Delete zone ' + name + '?'}
                        success=${'Zone ' + name + ' deleted'}
                        label="Delete" />
                </div>
            </div>`;
        });

        return [
            PageHeader({
                title: 'Zones',
                subtitle: 'Firewall zones',
                actions: html`<button class="btn btn-primary"
                    onClick=${() => addZone()}>Add Zone</button>`,
            }),
            zoneCards.length
                ? html`<div class="card-grid">${zoneCards}</div>`
                : Empty({ text: 'No zones configured. Add a zone to get started.' }),
        ];
    },
});