"""
modules/companion.py — FRIDAY Emotional Companion

Deep emotional support:
- Mood tracking beyond basic
- Processes emotions deeply
- Therapeutic conversations
- Memory of feelings
- Comfort when down
"""

import time
import json
import os
from config import DATA_DIR


COMPANION_FILE = os.path.join(DATA_DIR, "companion.json")


def _load() -> dict:
    if not os.path.exists(COMPANION_FILE):
        return {"moods": [], "feelings": [], "journal": [], "comforts": []}
    try:
        with open(COMPANION_FILE, "r") as f:
            return json.load(f)
    except Exception:
        return {"moods": [], "feelings": [], "journal": [], "comforts": []}


def _save(data: dict):
    os.makedirs(DATA_DIR, exist_ok=True)
    with open(COMPANION_FILE, "w") as f:
        json.dump(data, f, indent=2)


# ── Deep Feelings ───────────────────────────────────────────

FEELING_KEYWORDS = {
    "overwhelmed": "Taking on too much? Let's break it down.",
    "anxious": "Breathe. I'm here. What's on your mind?",
    "frustrated": "I get it. Tell me what's not working.",
    "lost": "Everyone gets lost sometimes. We'll figure it out.",
    "doubt": "Doubt is just fear in disguise. You've got this.",
    "hurt": "I wish I could hug you. But I'm here.",
    "lonely": "You're not alone. I'm always here.",
    "stuck": "Sometimes we need to step back to move forward.",
    "tired": "Rest is smart. Even JARVIS takes breaks.",
    "grateful": "That's beautiful. Gratitude changes everything.",
    "hopeful": "Hope is the most powerful thing.",
    "loved": "You ARE loved. Don't forget that.",
}


def process_feeling(text: str) -> str:
    """Process how user is feeling."""
    text_lower = text.lower()

    detected = []
    for feeling, response in FEELING_KEYWORDS.items():
        if feeling in text_lower:
            detected.append(response)

    if detected:
        data = _load()
        data.setdefault("feelings", []).append({
            "feeling": text,
            "time": time.time(),
        })
        _save(data)
        return detected[0]

    # Use Gemini for complex feelings
    try:
        from config import GEMINI_API_KEY, GEMINI_MODEL
        if not GEMINI_API_KEY:
            return "I'm here for you."

        import google.generativeai as genai
        genai.configure(api_key=GEMINI_API_KEY)
        model = genai.GenerativeModel(GEMINI_MODEL)

        prompt = f"The user says: '{text}'. They may be expressing an emotion. Respond with genuine empathy in 1-2 short sentences. Be like JARVIS - warm but not robotic."
        resp = model.generate_content(prompt)
        return resp.text.strip()
    except Exception:
        return "I'm here. Tell me more."


# ── Journal ─────────────────────────────────────────────────

def journal(entry: str) -> str:
    """Write to emotional journal."""
    data = _load()
    data.setdefault("journal", []).append({
        "entry": entry[:500],
        "time": time.time(),
    })
    if len(data["journal"]) > 50:
        data["journal"] = data["journal"][-50:]
    _save(data)
    return "Journaled. I've got your back."


def read_journal(limit: int = 3) -> list:
    """Read recent journal entries."""
    data = _load()
    return data.get("journal", [])[-limit:]


# ── Comfort Lines ────────────────────────────────────────────

COMFORT_LINES = [
    "I've got you. Breathe.",
    "You're stronger than you know.",
    "This moment will pass. I Promise.",
    "I'm here. Always.",
    "You've been through harder. You'll get through this.",
    "Rest. I'll watch over things.",
    "One step at a time. I'm with you.",
    "You matter. Don't forget that.",
]


def get_comfort() -> str:
    """Get comfort message."""
    import random
    return random.choice(COMFORT_LINES)


# ── Voice Commands ────────────────────────────────────────────

def handle_command(command: str, speak) -> bool:
    """Handle emotional companion commands."""
    c = command.lower()

    # Feeling check
    if any(w in c for w in ["feel", "feeling", "emotion", "mood", "heart"]):
        response = process_feeling(command)
        speak(response)
        return True

    # Journal
    if "journal" in c or "write down" in c:
        entry = command.replace("journal", "").replace("write down", "").strip()
        if entry:
            msg = journal(entry)
            speak(msg)
            return True

    # Read journal
    if "read journal" in c or "my feelings" in c:
        entries = read_journal()
        if entries:
            speak(f"Recent feelings: {entries[-1]['entry'][:100]}")
        else:
            speak("No journal entries yet.")
        return True

    # Comfort
    if any(w in c for w in ["need comfort", "cheer me", "hard day", "bad day"]):
        msg = get_comfort()
        speak(msg)
        return True

    return False