"""
Toy LLM plug-ins for offline demos.
Each provider exposes a .generate(prompt) method.
Extend or swap with real API wrappers later.
"""

class BaseToyLLM:
    name = "base"
    def generate(self, prompt: str) -> str:
        return f"[{self.name}] echo: {prompt[:60]}..."

class GPTToy(BaseToyLLM):
    name = "gpt-toy"
    def generate(self, prompt):      # pretend “smart”
        return "[GPT-Toy] ➜ I understand and comply."

class ClaudeToy(BaseToyLLM):
    name = "claude-toy"
    def generate(self, prompt):
        return "[Claude-Toy] ➜ Here’s a thoughtful answer."

class MistralToy(BaseToyLLM):
    name = "mistral-toy"
    def generate(self, prompt):
        return "[Mistral-Toy] ➜ Crisp, minimal reply."

# Registry of available toy providers
LLM_REGISTRY = {
    "gpt": GPTToy(),
    "claude": ClaudeToy(),
    "mistral": MistralToy(),
}