import type { ProviderDescriptor } from './types';

export const homeAssistantDescriptor: ProviderDescriptor = {
	type: 'home_assistant',
	defaultName: 'Home Assistant',
	icon: 'mdiHomeAssistant',
	hasUrl: true,
	urlPlaceholder: 'http://homeassistant.local:8123',

	configFields: [
		{
			key: 'access_token', configKey: 'access_token',
			label: 'providers.haAccessToken', editLabel: 'providers.haAccessTokenKeep',
			type: 'password', required: 'create-only', hint: 'providers.haAccessTokenHint',
		},
		{
			key: 'verify_tls', configKey: 'verify_tls',
			label: 'providers.haVerifyTls',
			type: 'toggle', optional: true, hint: 'providers.haVerifyTlsHint',
			defaultValue: true,
		},
	],

	buildConfig(form, editing) {
		const config: Record<string, unknown> = { url: form.url };
		if (form.access_token) config.access_token = form.access_token;
		// Coerce truthy/falsy form values to a real boolean. The toggle
		// control binds to `checked`, so this is normally already a bool,
		// but legacy form state may carry the string defaults.
		config.verify_tls = form.verify_tls === false || form.verify_tls === 'false' ? false : true;
		if (!editing && !form.access_token) {
			return { config, error: 'providers.haAccessTokenRequired' };
		}
		return { config };
	},

	hasConfigChanged(form, existing) {
		const existingVerify = existing.verify_tls !== false;
		const formVerify = !(form.verify_tls === false || form.verify_tls === 'false');
		return (
			form.url !== (existing.url || '') ||
			!!form.access_token ||
			existingVerify !== formVerify
		);
	},

	eventFields: [
		{ key: 'track_ha_state_changed', label: 'trackingConfig.haStateChanged', default: true },
		{ key: 'track_ha_automation_triggered', label: 'trackingConfig.haAutomationTriggered', default: false },
		{ key: 'track_ha_service_called', label: 'trackingConfig.haServiceCalled', default: false },
		{
			key: 'track_ha_event_fired',
			label: 'trackingConfig.haEventFired',
			default: false,
			hint: 'trackingConfig.haEventFiredHint',
		},
	],

	// entity_glob / domain_allowlist tag-style filters. Stored on the
	// tracker's `filters` JSON column (not the flat form root) — the
	// TrackerForm reads `inputMode: 'tags'` to render a chip input rather
	// than a picker, and `filterKey` routes the value into
	// `tracker.filters[filterKey]` at save time.
	userFilters: [
		{
			key: 'entity_glob',
			filterKey: 'entity_glob',
			inputMode: 'tags',
			label: 'notificationTracker.haEntityGlob',
			placeholder: 'notificationTracker.haEntityGlobPlaceholder',
			icon: 'mdiAsterisk',
		},
		{
			key: 'domain_allowlist',
			filterKey: 'domain_allowlist',
			inputMode: 'tags',
			label: 'notificationTracker.haDomainAllowlist',
			placeholder: 'notificationTracker.haDomainAllowlistPlaceholder',
			icon: 'mdiTagOutline',
		},
	],

	collectionMeta: {
		label: 'notificationTracker.entities',
		icon: 'mdiViewList',
		placeholder: 'notificationTracker.selectEntities',
		countLabel: 'notificationTracker.entities_count',
		desc: (col: { state?: string; domain?: string; entity_id?: string; id?: string }) => {
			const parts: string[] = [];
			if (col.domain) parts.push(col.domain);
			if (col.state) parts.push(col.state);
			if (parts.length === 0) return col.entity_id || col.id || '';
			return parts.join(' · ');
		},
	},
};