package be.simplenotes.app.utils

import be.simplenotes.domain.usecases.search.SearchTerms

private val titleRe = """title:['"](?<title>.*?)['"]""".toRegex()
private val outerTitleRe = """(?<title>title:['"].*?['"])""".toRegex()

private val tagRe = """tag:['"](?<tag>.*?)['"]""".toRegex()
private val outerTagRe = """(?<tag>tag:['"].*?['"])""".toRegex()

fun parseSearchTerms(input: String): SearchTerms {
    val title: String? = titleRe.find(input)?.groups?.get("title")?.value
    val tag: String? = tagRe.find(input)?.groups?.get("tag")?.value
    var c: String = input

    if (title != null) {
        val titleGroup = outerTitleRe.find(input)?.groups?.get("title")?.value
        titleGroup?.let { c = c.replace(it, "") }
    }

    if (tag != null) {
        val tagGroup = outerTagRe.find(input)?.groups?.get("tag")?.value
        tagGroup?.let { c = c.replace(it, "") }
    }

    val content = c.trim().ifEmpty { null }

    return SearchTerms(
        title = title,
        tag = tag,
        content = content
    )
}