{
  "specVersion": "1.0.0",
  "errorCodes": [
    "invalid_length",
    "invalid_characters",
    "invalid_first_digit",
    "invalid_pattern",
    "invalid_checksum"
  ],
  "rules": {
    "normalize": "Yalnizca bas/son bosluk kirpilir. Icerideki karakterler TEMIZLENMEZ.",
    "errorOrder": "length -> characters -> first_digit -> pattern -> checksum",
    "allSameDigits": "Tum haneleri ayni olan degerler gecersizdir (invalid_pattern), checksum tutsa bile. Etkilenen tek checksum-gecerli deger: VKN 4444444444.",
    "checksumEvaluation": "checksum yalnizca onceki uc kontrol temizse hesaplanir",
    "emptyInput": "null/undefined/bos deger invalid_length dondurur",
    "firstDigit": "TCKN: d1 in [1-9]. VKN: normatif formulde ilk hane kisiti yok.",
    "batch": "Her eleman bagimsiz degerlendirilir; sonuc sirasi girdi sirasidir."
  },
  "tckn": {
    "valid": [
      "10000000146",
      "23456789060",
      "34567891238",
      "98765432150",
      "51234567890",
      "76000001262",
      " 10000000146 "
    ],
    "invalid": [
      "123",
      "100000001460",
      "",
      "1000000014a",
      "10000000-46",
      "100 000 001 46",
      "01234567890",
      "09999999999",
      "11111111111",
      "99999999999",
      "11111111112",
      "12345678901",
      "10000000147",
      "0a1",
      "0123"
    ],
    "cases": [
      {
        "input": "10000000146",
        "valid": true,
        "errors": [],
        "note": "gecerli"
      },
      {
        "input": "23456789060",
        "valid": true,
        "errors": [],
        "note": "gecerli"
      },
      {
        "input": "34567891238",
        "valid": true,
        "errors": [],
        "note": "gecerli"
      },
      {
        "input": "98765432150",
        "valid": true,
        "errors": [],
        "note": "gecerli"
      },
      {
        "input": "51234567890",
        "valid": true,
        "errors": [],
        "note": "gecerli"
      },
      {
        "input": "76000001262",
        "valid": true,
        "errors": [],
        "note": "gecerli"
      },
      {
        "input": " 10000000146 ",
        "valid": true,
        "errors": [],
        "note": "bas/son bosluk kirpilir; gecerli kalir"
      },
      {
        "input": "123",
        "valid": false,
        "errors": [
          "invalid_length"
        ],
        "note": "cok kisa"
      },
      {
        "input": "100000001460",
        "valid": false,
        "errors": [
          "invalid_length"
        ],
        "note": "cok uzun (12 hane)"
      },
      {
        "input": "",
        "valid": false,
        "errors": [
          "invalid_length"
        ],
        "note": "bos girdi → invalid_length (spec §3)"
      },
      {
        "input": "1000000014a",
        "valid": false,
        "errors": [
          "invalid_characters"
        ],
        "note": "11 karakter, harf iceriyor"
      },
      {
        "input": "10000000-46",
        "valid": false,
        "errors": [
          "invalid_characters"
        ],
        "note": "11 karakter, tire iceriyor"
      },
      {
        "input": "100 000 001 46",
        "valid": false,
        "errors": [
          "invalid_length",
          "invalid_characters"
        ],
        "note": "ic bosluk temizlenmez: hem uzunluk hem karakter hatasi"
      },
      {
        "input": "01234567890",
        "valid": false,
        "errors": [
          "invalid_first_digit"
        ],
        "note": "ilk hane 0"
      },
      {
        "input": "09999999999",
        "valid": false,
        "errors": [
          "invalid_first_digit"
        ],
        "note": "ilk hane 0"
      },
      {
        "input": "11111111111",
        "valid": false,
        "errors": [
          "invalid_pattern"
        ],
        "note": "tum haneler ayni"
      },
      {
        "input": "99999999999",
        "valid": false,
        "errors": [
          "invalid_pattern"
        ],
        "note": "tum haneler ayni (checksum da tutmuyor ama pattern once doner)"
      },
      {
        "input": "11111111112",
        "valid": false,
        "errors": [
          "invalid_checksum"
        ],
        "note": "checksum hatasi"
      },
      {
        "input": "12345678901",
        "valid": false,
        "errors": [
          "invalid_checksum"
        ],
        "note": "checksum hatasi"
      },
      {
        "input": "10000000147",
        "valid": false,
        "errors": [
          "invalid_checksum"
        ],
        "note": "yalnizca 11. hane bozuk"
      },
      {
        "input": "0a1",
        "valid": false,
        "errors": [
          "invalid_length",
          "invalid_characters",
          "invalid_first_digit"
        ],
        "note": "coklu hata sirasi: length → characters → first_digit"
      },
      {
        "input": "0123",
        "valid": false,
        "errors": [
          "invalid_length",
          "invalid_first_digit"
        ],
        "note": "coklu hata: length + first_digit"
      }
    ]
  },
  "vkn": {
    "valid": [
      "1000036109",
      "2345678917",
      "3456789127",
      "9876543217",
      "5123456783",
      " 1000036109 ",
      "1234567890"
    ],
    "invalid": [
      "123",
      "10000361090",
      "",
      "123456789a",
      "12345678-0",
      "123 456 789 0",
      "1000036100",
      "9876543210",
      "4444444444",
      "1111111111"
    ],
    "cases": [
      {
        "input": "1000036109",
        "valid": true,
        "errors": [],
        "note": "gecerli"
      },
      {
        "input": "2345678917",
        "valid": true,
        "errors": [],
        "note": "gecerli"
      },
      {
        "input": "3456789127",
        "valid": true,
        "errors": [],
        "note": "gecerli"
      },
      {
        "input": "9876543217",
        "valid": true,
        "errors": [],
        "note": "gecerli"
      },
      {
        "input": "5123456783",
        "valid": true,
        "errors": [],
        "note": "gecerli"
      },
      {
        "input": " 1000036109 ",
        "valid": true,
        "errors": [],
        "note": "bas/son bosluk kirpilir; gecerli kalir"
      },
      {
        "input": "123",
        "valid": false,
        "errors": [
          "invalid_length"
        ],
        "note": "cok kisa"
      },
      {
        "input": "10000361090",
        "valid": false,
        "errors": [
          "invalid_length"
        ],
        "note": "cok uzun (11 hane)"
      },
      {
        "input": "",
        "valid": false,
        "errors": [
          "invalid_length"
        ],
        "note": "bos girdi → invalid_length (spec §3)"
      },
      {
        "input": "123456789a",
        "valid": false,
        "errors": [
          "invalid_characters"
        ],
        "note": "10 karakter, harf iceriyor"
      },
      {
        "input": "12345678-0",
        "valid": false,
        "errors": [
          "invalid_characters"
        ],
        "note": "10 karakter, tire iceriyor"
      },
      {
        "input": "123 456 789 0",
        "valid": false,
        "errors": [
          "invalid_length",
          "invalid_characters"
        ],
        "note": "ic bosluk temizlenmez: hem uzunluk hem karakter hatasi"
      },
      {
        "input": "1234567890",
        "valid": true,
        "errors": [],
        "note": "GECERLI — eski dataset yanlislikla gecersiz listelemisti"
      },
      {
        "input": "1000036100",
        "valid": false,
        "errors": [
          "invalid_checksum"
        ],
        "note": "yalnizca kontrol hanesi bozuk"
      },
      {
        "input": "9876543210",
        "valid": false,
        "errors": [
          "invalid_checksum"
        ],
        "note": "checksum hatasi"
      },
      {
        "input": "4444444444",
        "valid": false,
        "errors": [
          "invalid_pattern"
        ],
        "note": "tum haneler ayni — checksum gecerli olmasina ragmen reddedilir"
      },
      {
        "input": "1111111111",
        "valid": false,
        "errors": [
          "invalid_pattern"
        ],
        "note": "tum haneler ayni"
      }
    ]
  }
}