import type { IExecuteFunctions } from 'n8n-workflow';
import { NodeOperationError } from 'n8n-workflow';

import { compactArgs, kv } from '../../shared/ObsidianApiClient';

export function buildArgs(context: IExecuteFunctions, resource: string, operation: string, itemIndex: number, additionalFields: Record<string, unknown>): string[] {
	switch (resource) {
		case 'note':
			return buildNoteArgs(context, operation, itemIndex);
		case 'daily':
			return buildDailyArgs(context, operation, itemIndex);
		case 'search':
			return buildSearchArgs(context, operation, itemIndex);
		case 'property':
			return buildPropertyArgs(context, operation, itemIndex);
		case 'vault':
			return buildVaultArgs(context, operation, itemIndex, additionalFields);
		case 'raw':
			return parseRawArgs(context, itemIndex);
		default:
			throw new NodeOperationError(context.getNode(), `Unsupported resource: ${resource}`, { itemIndex });
	}
}

function buildNoteArgs(context: IExecuteFunctions, operation: string, itemIndex: number): string[] {
	const path = context.getNodeParameter('path', itemIndex, '') as string;
	switch (operation) {
		case 'create':
			return compactArgs(['create', kv('path', path), kv('content', context.getNodeParameter('content', itemIndex) as string), kv('overwrite', context.getNodeParameter('overwrite', itemIndex) as boolean)]);
		case 'read':
			return compactArgs(['read', kv('path', path)]);
		case 'append':
			return compactArgs(['append', kv('path', path), kv('content', context.getNodeParameter('content', itemIndex) as string)]);
		case 'prepend':
			return compactArgs(['prepend', kv('path', path), kv('content', context.getNodeParameter('content', itemIndex) as string)]);
		case 'delete':
			return compactArgs(['delete', kv('path', path)]);
		case 'rename':
			return compactArgs(['rename', kv('path', path), kv('name', context.getNodeParameter('newName', itemIndex) as string)]);
		case 'files':
			return compactArgs(['files', kv('folder', context.getNodeParameter('folder', itemIndex, '') as string)]);
		default:
			throw new NodeOperationError(context.getNode(), `Unsupported note operation: ${operation}`, { itemIndex });
	}
}

function buildDailyArgs(context: IExecuteFunctions, operation: string, itemIndex: number): string[] {
	switch (operation) {
		case 'dailyAppend':
			return compactArgs(['daily:append', kv('content', context.getNodeParameter('dailyContent', itemIndex) as string)]);
		case 'dailyPrepend':
			return compactArgs(['daily:prepend', kv('content', context.getNodeParameter('dailyContent', itemIndex) as string)]);
		case 'dailyRead':
			return ['daily:read'];
		case 'dailyPath':
			return ['daily:path'];
		default:
			throw new NodeOperationError(context.getNode(), `Unsupported daily operation: ${operation}`, { itemIndex });
	}
}

function buildSearchArgs(context: IExecuteFunctions, operation: string, itemIndex: number): string[] {
	const command = operation === 'searchContext' ? 'search:context' : 'search';
	return compactArgs([
		command,
		kv('query', context.getNodeParameter('query', itemIndex) as string),
		kv('format', context.getNodeParameter('format', itemIndex) as string),
	]);
}

function buildPropertyArgs(context: IExecuteFunctions, operation: string, itemIndex: number): string[] {
	const path = context.getNodeParameter('propertyPath', itemIndex, '') as string;
	const name = context.getNodeParameter('propertyName', itemIndex, '') as string;

	switch (operation) {
		case 'properties':
			return compactArgs([
				'properties',
				kv('name', name),
				kv('format', context.getNodeParameter('propertiesFormat', itemIndex) as string),
			]);
		case 'propertyRead':
			return compactArgs(['property:read', kv('path', path), kv('name', name)]);
		case 'propertyRemove':
			return compactArgs(['property:remove', kv('path', path), kv('name', name)]);
		case 'propertySet':
			return compactArgs([
				'property:set',
				kv('path', path),
				kv('name', name),
				kv('value', context.getNodeParameter('propertyValue', itemIndex) as string),
				kv('type', context.getNodeParameter('propertyType', itemIndex) as string),
			]);
		default:
			throw new NodeOperationError(context.getNode(), `Unsupported property operation: ${operation}`, { itemIndex });
	}
}

function buildVaultArgs(context: IExecuteFunctions, operation: string, itemIndex: number, additionalFields: Record<string, unknown>): string[] {
	switch (operation) {
		case 'vaultInfo':
			return ['vault'];
		case 'vaults': {
			const verbose = additionalFields.verbose === undefined ? true : Boolean(additionalFields.verbose);
			return compactArgs(['vaults', kv('verbose', verbose)]);
		}
		default:
			throw new NodeOperationError(context.getNode(), `Unsupported vault operation: ${operation}`, { itemIndex });
	}
}

function parseRawArgs(context: IExecuteFunctions, itemIndex: number): string[] {
	const raw = context.getNodeParameter('rawArgs', itemIndex) as string | string[];
	const parsed = Array.isArray(raw) ? raw : JSON.parse(raw);
	if (!Array.isArray(parsed) || !parsed.every((item) => typeof item === 'string')) {
		throw new NodeOperationError(context.getNode(), 'Args JSON must be an array of strings', { itemIndex });
	}
	return parsed;
}