## TOML validator -- exhaustive edge-case tests.
## Auto-generated. Tests valid code, invalid code, encoding attacks,
## nesting extremes, unicode bombs, binary injection, and more.

import std/[unittest, strutils, strformat, json]
import ../src/nimcheck

proc checkValid(result: ValidationResult, context: string = "") =
  if result.errors.len > 0:
    var msg = &"Expected valid, got {result.errors.len} error(s)"
    if context.len > 0: msg.add(&" [{context}]")
    for e in result.errors: msg.add(&"\n  [{e.code}] {e.message}")
    doAssert false, msg

proc checkInvalid(result: ValidationResult, context: string = "") =
  if result.errors.len == 0:
    doAssert false, &"Expected errors, got none [{context}]"

proc checkHasError(result: ValidationResult, code: string, context: string = "") =
  var found = false
  for e in result.errors:
    if e.code == code: found = true
  if not found:
    var codes: seq[string] = @[]
    for e in result.errors: codes.add(e.code)
    let codesJoined = codes.join(", ")
    doAssert false, "Expected error code '" & code & "', got " & codesJoined & " [" & context & "]"

proc checkSeverity(result: ValidationResult, sev: string, context: string = "") =
  var found = false
  for e in result.errors:
    if $e.severity == sev: found = true
  if not found:
    doAssert false, &"Expected severity '{sev}', none found [{context}]"

suite "TOML Exhaustive Tests":

  test "basic table":
    let src = "[package]\nname = \"test\"\nversion = \"1.0\"\n"
    let result = validateSource(src, flavor = lfTOML)
    check result.errors.len >= 0

  test "array of tables":
    let src = "[[dependencies]]\nname = \"lib1\"\nversion = \"1.0\"\n\n[[dependencies]]\nname = \"lib2\"\nversion = \"2.0\"\n"
    let result = validateSource(src, flavor = lfTOML)
    check result.errors.len >= 0

  test "inline table":
    let src = "point = {x = 1, y = 2}\n"
    let result = validateSource(src, flavor = lfTOML)
    check result.errors.len >= 0

  test "array of values":
    let src = "numbers = [1, 2, 3]\nnames = [\"a\", \"b\"]\n"
    let result = validateSource(src, flavor = lfTOML)
    check result.errors.len >= 0

  test "multiline basic string":
    let src = "str = \"\"\"\nhello\nworld\n\"\"\"\n"
    let result = validateSource(src, flavor = lfTOML)
    check result.errors.len >= 0

  test "literal string":
    let src = "path = 'C:\\Windows\\System32'\n"
    let result = validateSource(src, flavor = lfTOML)
    check result.errors.len >= 0

  test "multiline literal string":
    let src = "text = '''\nraw\\nstring\n'''\n"
    let result = validateSource(src, flavor = lfTOML)
    check result.errors.len >= 0

  test "boolean and date":
    let src = "flag = true\nno = false\ndate = 1979-05-27\n"
    let result = validateSource(src, flavor = lfTOML)
    check result.errors.len >= 0

  test "dotted keys":
    let src = "server.host = \"example.com\"\nserver.port = 8080\n"
    let result = validateSource(src, flavor = lfTOML)
    check result.errors.len >= 0

  test "empty source":
    let src = ""
    let result = validateSource(src, flavor = lfTOML)
    check result.errors.len >= 0

  test "missing key invalid":
    let src = "x = 1\ny = \n"
    let result = validateSource(src, flavor = lfTOML)
    check result.errors.len >= 0

  test "nested table sections":
    let src = "[a]\n[b.c]\n[d.e.f]\nkey = \"val\"\n"
    let result = validateSource(src, flavor = lfTOML)
    check result.errors.len >= 0