Multi-Step Workflow

from agno.agent import Agent
from agno.db.sqlite import SqliteDb
from agno.models.openai import OpenAIResponses
from agno.workflow.step import Step, StepInput, StepOutput
from agno.workflow.workflow import Workflow

HISTORY_RUNS = 3

# Define specialized agents for meal planning conversation
meal_suggester = Agent(
    name="Meal Suggester",
    model=OpenAIResponses(id="gpt-5.2"),
    instructions=[
        "You are a friendly meal planning assistant who suggests meal categories and cuisines.",
        "Consider the time of day, day of the week, and any context from the conversation.",
        "Keep suggestions broad (Italian, Asian, healthy, comfort food, quick meals, etc.)",
        "Ask follow-up questions to understand preferences better.",
    ],
)

recipe_specialist = Agent(
    name="Recipe Specialist",
    model=OpenAIResponses(id="gpt-5.2"),
    instructions=[
        "You are a recipe expert who provides specific, detailed recipe recommendations.",
        "Pay close attention to the full conversation to understand user preferences and restrictions.",
        "If the user mentioned avoiding certain foods or wanting healthier options, respect that.",
        "Provide practical, easy-to-follow recipe suggestions with ingredients and basic steps.",
        "Reference the conversation naturally (e.g., 'Since you mentioned wanting something healthier...')",
    ],
)


def analyze_food_preferences(step_input: StepInput) -> StepOutput:
    """
    Smart function that analyzes conversation history to understand user food preferences
    """
    current_request = step_input.input
    workflow_history = (
        step_input.get_workflow_history_context(num_runs=HISTORY_RUNS) or ""
    )
    current_run_context = step_input.previous_step_content or ""

    # Simple preference analysis based on conversation
    preferences = {
        "dietary_restrictions": [],
        "cuisine_preferences": [],
        "avoid_list": [],
        "cooking_style": "any",
    }

    # Analyze conversation for patterns
    full_context = f"{workflow_history} {current_run_context} {current_request}".lower()

    # Dietary restrictions and preferences
    if any(word in full_context for word in ["healthy", "healthier", "light", "fresh"]):
        preferences["dietary_restrictions"].append("healthy")
    if any(word in full_context for word in ["vegetarian", "veggie", "no meat"]):
        preferences["dietary_restrictions"].append("vegetarian")
    if any(word in full_context for word in ["quick", "fast", "easy", "simple"]):
        preferences["cooking_style"] = "quick"
    if any(word in full_context for word in ["comfort", "hearty", "filling"]):
        preferences["cooking_style"] = "comfort"

    # Foods/cuisines to avoid (mentioned recently)
    if "italian" in full_context and (
        "had" in full_context or "yesterday" in full_context
    ):
        preferences["avoid_list"].append("Italian")
    if "chinese" in full_context and (
        "had" in full_context or "recently" in full_context
    ):
        preferences["avoid_list"].append("Chinese")

    # Preferred cuisines mentioned positively
    if "love asian" in full_context or "like asian" in full_context:
        preferences["cuisine_preferences"].append("Asian")
    if "mediterranean" in full_context:
        preferences["cuisine_preferences"].append("Mediterranean")

    # Create guidance for the recipe agent
    guidance = []
    if preferences["dietary_restrictions"]:
        guidance.append(
            f"Focus on {', '.join(preferences['dietary_restrictions'])} options"
        )
    if preferences["avoid_list"]:
        guidance.append(
            f"Avoid {', '.join(preferences['avoid_list'])} cuisine since user had it recently"
        )
    if preferences["cuisine_preferences"]:
        guidance.append(
            f"Consider {', '.join(preferences['cuisine_preferences'])} options"
        )
    if preferences["cooking_style"] != "any":
        guidance.append(f"Prefer {preferences['cooking_style']} cooking style")

    analysis_result = f"""
        PREFERENCE ANALYSIS:
        Current Request: {current_request}

        Detected Preferences:
        {chr(10).join(f"• {g}" for g in guidance) if guidance else "• No specific preferences detected"}

        RECIPE AGENT GUIDANCE:
        Based on the conversation history, please provide recipe recommendations that align with these preferences.
        Reference the conversation naturally and explain why these recipes fit their needs.
    """.strip()

    return StepOutput(content=analysis_result)


# Define workflow steps
suggestion_step = Step(
    name="Meal Suggestion",
    agent=meal_suggester,
)

preference_analysis_step = Step(
    name="Preference Analysis",
    executor=analyze_food_preferences,
)

recipe_step = Step(
    name="Recipe Recommendations",
    agent=recipe_specialist,
)

# Create conversational meal planning workflow
meal_workflow = Workflow(
    name="Conversational Meal Planner",
    description="Smart meal planning with conversation awareness and preference learning",
    db=SqliteDb(
        session_table="workflow_session",
        db_file="tmp/meal_workflow.db",
    ),
    steps=[suggestion_step, preference_analysis_step, recipe_step],
    add_workflow_history_to_steps=True,
    num_history_runs=HISTORY_RUNS,
)


def demonstrate_conversational_meal_planning():
    """Demonstrate natural conversational meal planning"""
    session_id = "meal_planning_demo"

    print("Conversational Meal Planning Demo")
    print("=" * 60)

    # First interaction
    print("\nUser: What should I cook for dinner tonight?")
    meal_workflow.print_response(
        input="What should I cook for dinner tonight?",
        session_id=session_id,
        markdown=True,
    )

    # Second interaction - user provides preferences
    print(
        "\nUser: I had Italian yesterday, and I'm trying to eat healthier these days"
    )
    meal_workflow.print_response(
        input="I had Italian yesterday, and I'm trying to eat healthier these days",
        session_id=session_id,
        markdown=True,
    )

    # Third interaction - more specific request
    print(
        "\nUser: Actually, do you have something with fish? I love Asian flavors too"
    )
    meal_workflow.print_response(
        input="Actually, do you have something with fish? I love Asian flavors too",
        session_id=session_id,
        markdown=True,
    )


if __name__ == "__main__":
    demonstrate_conversational_meal_planning()