import stringify from 'safe-stable-stringify'
import type { Applog, DatalogQueryPattern } from '../applog/datom-types.ts'
import type { Thread } from '../thread/basic.ts'

export const createDebugName = ({ caller, thread, pattern, args }: {
	caller?: string
	thread?: Thread | Applog[]
	pattern?: DatalogQueryPattern | DatalogQueryPattern[] | string
	args?: any
}) => {
	args = args || pattern
	const str = `${(!Array.isArray(thread) && thread?.name) ? thread.name + ' | ' : ''}`
		+ `${caller ?? 'caller?'}`
		+ `${args ? `{${typeof args === 'string' ? args : stringify(args)}}` : ''}`
	return str
}

export const createDebugNameObj = (args: Parameters<typeof createDebugName>[0]) => {
	return { name: createDebugName(args) } as const
}

export function prettifyThreadName(input: string): string {
	let depth = 0
	let result = ''
	let insideCurlyBraces = 0

	for (let i = 0; i < input.length; i++) {
		const char = input[i]

		if (char === '(') {
			result += char + '\n' + '\t'.repeat(++depth)
		} else if (char === ')') {
			result += '\n' + '\t'.repeat(--depth) + char
		} else if (char === ',' && insideCurlyBraces === 0) {
			result += char + '\n' + '\t'.repeat(depth)
		} else if (char === '{' && insideCurlyBraces === 0) {
			insideCurlyBraces++
			result += char + '\n' + '\t'.repeat(depth + 1)
		} else if (char === '}' && insideCurlyBraces === 1) {
			insideCurlyBraces--
			result += '\n' + '\t'.repeat(depth) + char
		} else if (char === '{' && insideCurlyBraces > 0) {
			insideCurlyBraces++
			result += char
		} else if (char === '}' && insideCurlyBraces > 1) {
			insideCurlyBraces--
			result += char
		} else {
			result += char
		}
	}

	return result
}