#!/usr/bin/env python3
"""
Card Game CLI Client - Interactive testing tool for the backend API.
"""

import requests
import json
import uuid

BASE_URL = "http://localhost:8000"

class CardGameClient:
    def __init__(self):
        self.token = None
        self.session = requests.Session()
    
    def _headers(self):
        if self.token:
            return {"Authorization": f"Bearer {self.token}"}
        return {}
    
    def _print_response(self, resp, label="Response"):
        print(f"\n{label} ({resp.status_code}):")
        try:
            print(json.dumps(resp.json(), indent=2))
        except:
            print(resp.text)
    
    def register(self, email, password, nickname):
        resp = self.session.post(f"{BASE_URL}/auth/register", json={
            "email": email,
            "password": password,
            "nickname": nickname
        })
        self._print_response(resp, "Register")
        if resp.status_code == 200:
            data = resp.json()
            self.token = data.get("access_token")
            print("✓ Logged in automatically after registration.")
    
    def login(self, email, password):
        resp = self.session.post(f"{BASE_URL}/auth/login", json={
            "email": email,
            "password": password
        })
        self._print_response(resp, "Login")
        if resp.status_code == 200:
            self.token = resp.json()["access_token"]
            print("✓ Token saved.")
    
    def me(self):
        resp = self.session.get(f"{BASE_URL}/me/profile", headers=self._headers())
        self._print_response(resp, "My Profile")
        
        resp = self.session.get(f"{BASE_URL}/me/wallet", headers=self._headers())
        self._print_response(resp, "My Wallet")
    
    def collection(self):
        resp = self.session.get(f"{BASE_URL}/me/collection", headers=self._headers())
        self._print_response(resp, "My Collection")
    
    def chests(self):
        resp = self.session.get(f"{BASE_URL}/catalog/chests")
        self._print_response(resp, "Available Chests")
    
    def cards(self):
        resp = self.session.get(f"{BASE_URL}/catalog/cards")
        self._print_response(resp, "All Cards")
    
    def open_chest(self, chest_id, idempotency_key=None):
        headers = self._headers()
        if idempotency_key:
            headers["Idempotency-Key"] = idempotency_key
        else:
            headers["Idempotency-Key"] = str(uuid.uuid4())
        
        resp = self.session.post(f"{BASE_URL}/chests/{chest_id}/open", headers=headers)
        self._print_response(resp, "Chest Open Result")
    
    def profile(self, nickname):
        resp = self.session.get(f"{BASE_URL}/profiles/{nickname}")
        self._print_response(resp, f"Profile: {nickname}")
    
    def profile_collection(self, nickname):
        resp = self.session.get(f"{BASE_URL}/profiles/{nickname}/collection")
        self._print_response(resp, f"Collection: {nickname}")

def print_help():
    print("""
=== Card Game CLI ===
Commands:
  register <email> <password> <nickname>  - Create new account
  login <email> <password>                - Login to existing account
  me                                      - Show my profile and wallet
  collection                              - Show my cards
  chests                                  - List available chests
  cards                                   - List all cards in catalog
  open <chest_id>                         - Open a chest
  profile <nickname>                      - View public profile
  profile_collection <nickname>           - View public collection
  help                                    - Show this help
  quit / exit                             - Exit
""")

def main():
    client = CardGameClient()
    print_help()
    
    while True:
        try:
            cmd = input("\n> ").strip()
            if not cmd:
                continue
            
            parts = cmd.split()
            command = parts[0].lower()
            args = parts[1:]
            
            if command in ["quit", "exit", "q"]:
                print("Goodbye!")
                break
            elif command == "help":
                print_help()
            elif command == "register":
                if len(args) < 3:
                    print("Usage: register <email> <password> <nickname>")
                else:
                    client.register(args[0], args[1], args[2])
            elif command == "login":
                if len(args) < 2:
                    print("Usage: login <email> <password>")
                else:
                    client.login(args[0], args[1])
            elif command == "me":
                client.me()
            elif command == "collection":
                client.collection()
            elif command == "chests":
                client.chests()
            elif command == "cards":
                client.cards()
            elif command == "open":
                if len(args) < 1:
                    print("Usage: open <chest_id>")
                else:
                    key = args[1] if len(args) > 1 else None
                    client.open_chest(args[0], key)
            elif command == "profile":
                if len(args) < 1:
                    print("Usage: profile <nickname>")
                else:
                    client.profile(args[0])
            elif command == "profile_collection":
                if len(args) < 1:
                    print("Usage: profile_collection <nickname>")
                else:
                    client.profile_collection(args[0])
            else:
                print(f"Unknown command: {command}. Type 'help' for commands.")
        
        except KeyboardInterrupt:
            print("\nGoodbye!")
            break
        except Exception as e:
            print(f"Error: {e}")

if __name__ == "__main__":
    main()