"""
modules/deep_context.py — FRIDAY Deep Context Memory

Remembers everything about the user:
- Current projects and their status
- Friends/family/connections
- Enemies/threats
- Personal history
- Inside jokes
- User preferences
"""

import time
import os
import json
from config import DATA_DIR


CONTEXT_FILE = os.path.join(DATA_DIR, "deep_context.json")


def _load() -> dict:
    if not os.path.exists(CONTEXT_FILE):
        return {
            "projects": {},
            "people": {},
            "relationships": {},
            "jokes": [],
            "preferences": {},
            "history": [],
        }
    try:
        with open(CONTEXT_FILE, "r") as f:
            return json.load(f)
    except Exception:
        return {}


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


# ── Projects ───────────────────────────────────────────────────

def track_project(name: str, status: str = "active", description: str = ""):
    """Track a project."""
    data = _load()
    data.setdefault("projects", {})[name] = {
        "name": name,
        "status": status,
        "description": description,
        "updated": time.time(),
    }
    _save(data)


def get_project(name: str) -> dict | None:
    """Get project details."""
    data = _load()
    return data.get("projects", {}).get(name)


def get_active_projects() -> list[dict]:
    """Get all active projects."""
    data = _load()
    projects = data.get("projects", {})
    return [p for p in projects.values() if p.get("status") == "active"]


def complete_project(name: str):
    """Mark project as complete."""
    data = _load()
    if name in data.get("projects", {}):
        data["projects"][name]["status"] = "complete"
        data["projects"][name]["completed"] = time.time()
        _save(data)


# ── People ─────────────────────────────────────────────────────

def track_person(name: str, relationship: str = "", notes: str = ""):
    """Track a person in user's life."""
    data = _load()
    data.setdefault("people", {})[name] = {
        "name": name,
        "relationship": relationship,
        "notes": notes,
        "updated": time.time(),
    }
    _save(data)


def get_person(name: str) -> dict | None:
    """Get person details."""
    data = _load()
    return data.get("people", {}).get(name)


def get_people(relationship: str = "") -> list[dict]:
    """Get people by relationship."""
    data = _load()
    people = data.get("people", {})
    if not relationship:
        return list(people.values())
    return [p for p in people.values() if p.get("relationship") == relationship]


# ── Inside Jokes ───────────────────────────────────────────────────

def add_joke(joke: str, response: str = ""):
    """Add inside joke/running bit."""
    data = _load()
    data.setdefault("jokes", []).append({
        "joke": joke,
        "response": response,
        "time": time.time(),
    })
    # Keep last 30 jokes
    jokes = data.get("jokes", [])
    if len(jokes) > 30:
        jokes = jokes[-30:]
    data["jokes"] = jokes
    _save(data)


def get_joke(keyword: str) -> str | None:
    """Get response to inside joke."""
    data = _load()
    jokes = data.get("jokes", [])
    for j in reversed(jokes):
        if keyword.lower() in j.get("joke", "").lower():
            return j.get("response")
    return None


# ── Preferences ─────────────────────────────────────────────────

def set_preference(key: str, value):
    """Remember user preference."""
    data = _load()
    data.setdefault("preferences", {})[key] = {"value": value, "time": time.time()}
    _save(data)


def get_preference(key: str):
    """Get user preference."""
    data = _load()
    return data.get("preferences", {}).get(key, {}).get("value")


# ── History ───────────────────────────────────────────────────

def add_to_history(event: str, category: str = "general"):
    """Add event to history."""
    data = _load()
    data.setdefault("history", []).append({
        "event": event,
        "category": category,
        "time": time.time(),
    })
    # Keep last 100
    history = data.get("history", [])
    if len(history) > 100:
        history = history[-100:]
    data["history"] = history
    _save(data)


def get_history(category: str = "", limit: int = 5) -> list[dict]:
    """Get history."""
    data = _load()
    history = data.get("history", [])
    if category:
        history = [h for h in history if h.get("category") == category]
    return history[-limit:]


# ── Query Engine ───────────────────────────────────────────────

def query(query_text: str) -> str:
    """Query deep context."""
    q = query_text.lower()

    # Check projects
    if "project" in q:
        active = get_active_projects()
        if active:
            names = [p.get("name") for p in active]
            return f"Active projects: {', '.join(names)}"
        return "No active projects."

    # Check people
    if "friend" in q or "people" in q:
        friends = get_people("friend")
        if friends:
            names = [p.get("name") for p in friends]
            return f"Your friends: {', '.join(names)}"
        return "No friends tracked."

    # Check what project I'm working on
    if "working on" in q or "current project" in q:
        active = get_active_projects()
        if active:
            return f"You're working on: {active[0].get('name')}"
        return "Not tracking any projects."

    return "I don't have that context yet. Teach me?"


# ── Teach FRIDAY ──────────────────────────────────────────────

def learn(text: str) -> bool:
    """Learn from user text."""
    text_lower = text.lower()

    # Learn project
    if "i'm working on" in text_lower or "working on" in text_lower:
        # Extract project name
        project = text.replace("i'm working on", "").replace("working on", "").strip()
        if project and len(project) > 2:
            track_project(project, "active", "user is working on this")
            return True

    # Learn friend
    if "my friend" in text_lower or "friend named" in text_lower:
        name = text.replace("my friend", "").replace("friend named", "").strip()
        if name and len(name) > 1:
            track_person(name, "friend", "from conversation")
            return True

    return False


# ── Brain Integration ─────────────────────────────────────────

def get_context_block() -> str:
    """Get context block for brain."""
    data = _load()
    parts = []

    # Active projects
    active = get_active_projects()
    if active:
        parts.append(f"Projects: {', '.join([p['name'] for p in active])}")

    # Key people
    people = list(data.get("people", {}).values())[:3]
    if people:
        parts.append(f"People: {', '.join([p['name'] for p in people])}")

    # Recent history
    history = data.get("history", [])[-3:]
    if history:
        parts.append(f"Recent: {', '.join([h['event'] for h in history])}")

    if parts:
        return "[DEEP CONTEXT] " + " | ".join(parts)
    return ""