import json

input_file = "./dialogues.txt"
output_file = "./dialogues.jsonl"

with open(input_file, "r", encoding="utf-8") as f_in, \
     open(output_file, "w", encoding="utf-8") as f_out:
    
    lines = f_in.readlines()
    i = 0
    while i < len(lines):
        line = lines[i].strip()
        if line.startswith("C:"):
            prompt = line[2:].strip()
            # Look ahead for the next S: line
            j = i + 1
            while j < len(lines) and not lines[j].strip().startswith("S:"):
                j += 1
            if j < len(lines):
                response = lines[j].strip()[2:].strip()
                json_obj = {"prompt": prompt, "response": response}
                f_out.write(json.dumps(json_obj, ensure_ascii=False) + "\n")
                i = j + 1
            else:
                i += 1
        else:
            i += 1

print(f"Converted {input_file} → {output_file} successfully!")