package com.example.contacts

import org.junit.Assert.assertEquals
import org.junit.Before
import org.junit.Test
import org.junit.runner.RunWith
import org.robolectric.RobolectricTestRunner
import java.util.*

@RunWith(RobolectricTestRunner::class)
class SearchTest {
    private val contacts = arrayListOf(
        Contact("Test name", "+79213229220"), Contact("John Tyler", "+79516671380"),
        Contact("Matthew Lynch", "+89645382940"), Contact("Adam Magician", "+65902745208")
    )

    @Test
    fun searchTest(){
        val searchRes = search("Ma")
        assertEquals(
            setOf(
                Contact("Matthew Lynch", "+89645382940"),
                Contact("Adam Magician", "+65902745208")
            ), searchRes.asSequence().toSet()
        )
    }



    fun search(constraint : CharSequence) : MutableList<Contact>{
        val searchList = mutableListOf<Contact>()
        if (constraint.isEmpty()) {
            searchList.addAll(contacts)
        } else {
            val filterPattern: String = constraint.toString().toLowerCase(Locale.ENGLISH).trim()
            for (contact: Contact in contacts) {
                if (contact.name.toLowerCase(Locale.ENGLISH).contains(filterPattern) ||
                    contact.phoneNumber.contains(filterPattern)) {
                    searchList.add(contact)
                }
            }
        }
        return searchList
    }
}