"""Prompt-Oberfläche für alle drei Modelle: das SFT3-Nutzer-Template (prompt_lib2.USER_INST_TEMPLATE, byte-gleich),
Instruction = Hausformat-Prompt der Leiter (GENERAL + SCRIPT), Text = SCRIPT-Teil, Tokens = Frames, Referenz = <|audio|> oder None."""
AUDIO_PLACEHOLDER = "<|audio|>"
USER_INST_TEMPLATE = """<user_inst>
- Reference(s):
{reference}
- Instruction:
{instruction}
- Tokens:
{tokens}
- Quality:
{quality}
- Sound Event:
{sound_event}
- Ambient Sound:
{ambient_sound}
- Language:
{language}
- Text:
{text}
</user_inst>"""


def lang_name(lang):
    return "German" if str(lang or "en").lower().startswith("de") else "English"


def split_prompt(prompt):
    if 'SCRIPT:\n' in prompt:
        return prompt, prompt.split('SCRIPT:\n', 1)[1].strip()
    return prompt, prompt.strip()


def user_content(meta, use_ref, frames=None):
    instruction, script = split_prompt(meta['prompt'])
    return USER_INST_TEMPLATE.format(
        reference=AUDIO_PLACEHOLDER if use_ref else "None", instruction=instruction.strip() or "None",
        tokens=int(frames if frames is not None else meta['frames']), quality="None", sound_event="None",
        ambient_sound="None", language=lang_name(meta['lang']), text=script or "None")