from services.utils import run_analysis

SYSTEM_PROMPT = """You are a TikTok viral strategist. Return ONLY a valid JSON object (not an array)."""

DEFAULTS = {
    "video_concepts": [{"hook": "You won't believe this", "script_snippet": "Here's the full story...", "sound_suggestion": "Trending audio"}],
    "trending_angles": ["Educational angle on this topic"],
    "hashtags": ["#fyp", "#trending"],
    "best_posting_time": "7-9 AM or 7-10 PM local time",
    "viral_strategies": ["Use trending sounds", "Post 1-3x daily"]
}

def analyze_tiktok(content: str) -> dict:
    messages = [
        {"role": "system", "content": SYSTEM_PROMPT},
        {"role": "user", "content": f'Topic: "{content[:1000]}"\nReturn a JSON object (not an array) with these keys:\n- video_concepts (2 items, each with "hook" + "script_snippet" + "sound_suggestion")\n- trending_angles (2 items)\n- hashtags (3 items)\n- best_posting_time (string)\n- viral_strategies (2 items)'}
    ]
    return run_analysis(messages, defaults=DEFAULTS, temperature=0.4, max_new_tokens=800)