// Phase 166: JsonParserBox 単体テスト - Array parsing
// Goal: Validate JsonParserBox can parse simple JSON arrays through JoinIR

using "tools/hako_shared/json_parser.hako" with JsonParserBox

static box Main {
  main(args) {
    print("=== JsonParserBox Array Parsing Tests ===")

    // Test 1: Simple array with numbers
    print("Test 1: Simple number array [1, 2, 3]")
    local json1 = "[1, 2, 3]"
    local result1 = JsonParserBox.parse(json1)
    if result1 == null {
      print("  FAIL: parse returned null")
      return 1
    }
    // Check if it's an ArrayBox by calling size()
    local size1 = result1.size()
    if size1 == 3 {
      print("  PASS: array has 3 elements")
      local elem0 = result1.get(0)
      if elem0 == 1 {
        print("  PASS: first element is 1")
      } else {
        print("  FAIL: first element should be 1")
        return 1
      }
    } else {
      print("  FAIL: array should have 3 elements")
      return 1
    }

    // Test 2: Array with strings
    print("Test 2: String array [\"hello\", \"world\"]")
    local json2 = "[\"hello\", \"world\"]"
    local result2 = JsonParserBox.parse(json2)
    if result2 == null {
      print("  FAIL: parse returned null")
      return 1
    }
    local size2 = result2.size()
    if size2 == 2 {
      print("  PASS: array has 2 elements")
      local elem0 = result2.get(0)
      if elem0 == "hello" {
        print("  PASS: first element is 'hello'")
      } else {
        print("  FAIL: first element should be 'hello'")
        return 1
      }
    } else {
      print("  FAIL: array should have 2 elements")
      return 1
    }

    // Test 3: Empty array
    print("Test 3: Empty array []")
    local json3 = "[]"
    local result3 = JsonParserBox.parse(json3)
    if result3 == null {
      print("  FAIL: parse returned null")
      return 1
    }
    local size3 = result3.size()
    if size3 == 0 {
      print("  PASS: array is empty")
    } else {
      print("  FAIL: array should be empty")
      return 1
    }

    print("=== All Array Tests PASSED ===")
    return 0
  }
}