from pathlib import Path

from fastapi import APIRouter, Request
from fastapi.templating import Jinja2Templates

from app.db import fetch_all, fetch_one
from app.services.marketing import evaluate_agent_rules

router = APIRouter(prefix="/marketing", tags=["marketing"])

BASE_DIR = Path(__file__).resolve().parent.parent.parent
templates = Jinja2Templates(directory=str(BASE_DIR / "templates"))


def _iso_rows(rows: list) -> list:
    for row in rows:
        for key, val in list(row.items()):
            if hasattr(val, "isoformat"):
                row[key] = val.isoformat()
    return rows


@router.get("")
async def marketing_page(request: Request):
    evaluate_agent_rules()
    posts, mentions, accounts, rules, logs = [], [], [], [], []
    analytics = {"mention_count": 0, "avg_sentiment": 0}
    try:
        posts = _iso_rows(fetch_all(
            """SELECT sp.*, sa.platform, sa.username FROM scheduled_posts sp
               JOIN social_accounts sa ON sp.account_id = sa.id
               ORDER BY sp.scheduled_time DESC LIMIT 50"""
        ))
    except Exception:
        posts = []
    try:
        mentions = _iso_rows(fetch_all(
            "SELECT * FROM social_mentions ORDER BY created_at DESC LIMIT 50"
        ))
        row = fetch_one(
            "SELECT COUNT(*) AS cnt, COALESCE(AVG(sentiment_score),0) AS avg FROM social_mentions"
        )
        if row:
            analytics["mention_count"] = int(row["cnt"])
            analytics["avg_sentiment"] = float(row["avg"])
    except Exception:
        mentions = []
    try:
        accounts = _iso_rows(fetch_all("SELECT * FROM social_accounts ORDER BY platform"))
    except Exception:
        accounts = []
    try:
        rules = _iso_rows(fetch_all("SELECT * FROM agent_rules ORDER BY id"))
        logs = _iso_rows(fetch_all(
            """SELECT al.*, ar.name AS rule_name FROM agent_logs al
               LEFT JOIN agent_rules ar ON al.rule_id = ar.id ORDER BY al.created_at DESC LIMIT 30"""
        ))
    except Exception:
        pass
    return templates.TemplateResponse(
        "marketing.html",
        {
            "request": request,
            "page_title": "Marketing",
            "scheduled_posts": posts,
            "social_mentions": mentions,
            "accounts": accounts,
            "agent_rules": rules,
            "agent_logs": logs,
            "analytics": analytics,
        },
    )