package com.peachpasswords.ui.vault

import com.peachpasswords.vault.VaultEntry
import org.junit.Assert.assertEquals
import org.junit.Assert.assertFalse
import org.junit.Assert.assertNull
import org.junit.Assert.assertTrue
import org.junit.Test

class ImportParsersTest {

    @Test fun detect_blank_is_null() {
        assertNull(CsvImport.detectProvider(""))
        assertNull(CsvImport.detectProvider("   \n  "))
    }

    @Test fun chrome_csv_detects_and_parses() {
        val csv = "name,url,username,password\nGitHub,https://github.com,june,hunter2\n"
        assertEquals(CsvImport.CHROME_CSV, CsvImport.detectProvider(csv))
        val rows = CsvImport.parse(csv, CsvImport.CHROME_CSV)
        assertEquals(1, rows.size)
        assertEquals("GitHub", rows[0].title)
        assertEquals("https://github.com", rows[0].url)
        assertEquals("june", rows[0].username)
        assertEquals("hunter2", rows[0].password)
    }

    @Test fun csv_quoted_fields_with_commas_are_preserved() {
        val rows = CsvImport.parseCsv("name,url,username,password\n\"Bank, NA\",https://b.com,j,\"p,w\"\n")
        // Header + 1 data row.
        assertEquals(2, rows.size)
        assertEquals(listOf("Bank, NA", "https://b.com", "j", "p,w"), rows[1])
    }

    @Test fun csv_doubled_quotes_unescape() {
        assertEquals(listOf("a\"b", "c"), CsvImport.splitCsvLine("\"a\"\"b\",c"))
    }

    @Test fun detect_and_parse_returns_success_for_chrome() {
        val csv = "name,url,username,password\nA,https://a.com,u,p\nB,https://b.com,u2,p2\n"
        val r = CsvImport.detectAndParse(csv)
        assertTrue(r is ImportParseResult.Success)
        r as ImportParseResult.Success
        assertEquals(2, r.entries.size)
    }

    @Test fun peachscript_export_is_recognised() {
        val out = PeachScriptExport.buildEncrypted(
            listOf(
                VaultEntry(
                    id = "11111111-2222-3333-4444-555555555555", type = "login",
                    title = "GH", username = "u", password = "p", createdAt = 0, modifiedAt = 0,
                ),
            ),
            "backup-pass-123",
        )
        assertTrue(PeachScriptImport.looksLikePeachScript(out))
        assertTrue(PeachScriptImport.isEncrypted(out))
    }

    @Test fun non_peachscript_text_is_rejected() {
        assertFalse(PeachScriptImport.looksLikePeachScript("just text"))
        // The old JSON marker is not PeachScript anymore (PUA-encoded binary only).
        assertFalse(PeachScriptImport.looksLikePeachScript("""{"peachscript":1,"encrypted":true}"""))
    }
}