{
  "type": "object",
  "properties": {
    "email": {
      "type": "string",
      "format": "email"
    },
    "phone": {
      "type": "string",
      "pattern": "^\\+90[0-9]{10}$"
    },
    "age": {
      "type": "integer",
      "minimum": 0,
      "maximum": 120
    },
    "level": {
      "type": "string",
      "enum": ["junior", "mid", "senior", "lead"]
    },
    "skills": {
      "type": "array",
      "items": { "type": "string" },
      "minItems": 1,
      "maxItems": 20,
      "uniqueItems": true
    }
  },
  "required": ["email", "level"],
  "additionalProperties": false
}

# Pydantic ile sıkı validation
from pydantic import BaseModel, EmailStr, Field, validator
from typing import List, Literal
import re
 
class Lead(BaseModel):
    email: EmailStr
    phone: str = Field(pattern=r"^\+90[0-9]{10}$")
    age: int = Field(ge=18, le=120)
    interests: List[str] = Field(min_length=1, max_length=10)
    priority: Literal["low", "medium", "high"]
 
# Valid
ok = Lead(
    email="ali@x.com",
    phone="+905321234567",
    age=30,
    interests=["python"],
    priority="high",
)
print("Valid:", ok)
 
# Invalid (yakalandığı an Exception)
try:
    bad = Lead(
        email="not-an-email",
        phone="0532",  # +90 yok
        age=200,        # > 120
        interests=[],   # boş
        priority="urgent"  # enum değil
    )
except Exception as e:
    print("\nValidation hataları:")
    print(e)