import csv
import os

format_map = {
    "zh": "十六进制代码",
    "fr": "code hexadécimal",
    "en": "Hex code"
}


def merge_prompt_with_colors(prompt_file, color_file, output_file, variation=1, color_level=1):
    format_map = {
        "zh": "十六进制代码",
        "fr": "code hexadécimal",
        "en": "Hex code"
    }

    # read prompt 
    with open(prompt_file, "r", encoding="utf-8") as f:
        reader = csv.DictReader(f)
        prompts = list(reader)

    # read color 
    with open(color_file, "r", encoding="utf-8") as f:
        reader = csv.DictReader(f)
        colors = list(reader)

    merged_rows = []
    id_counter = 1
    for prompt in prompts:
        prompt_text = prompt["prompt"]
        lang_val = prompt.get("lang", "en").lower()
        localized_format = format_map.get(lang_val, "Hex code")

        for color in colors:
            hex_val = color.get("hex") or color.get("color") or ""
            split_val = "test"

            merged_rows.append({
                "id": id_counter,
                "prompt": prompt_text,
                "color_1": hex_val,
                "variation": variation,
                "color_level": color_level,
                "split": split_val,
                "color_format": localized_format,
                "lang": lang_val
            })
            id_counter += 1

    fieldnames = ["id", "prompt", "color_1", "variation", "color_level", "split", "color_format", "lang"]

    
    output_dir = os.path.dirname(output_file)
    if output_dir and not os.path.exists(output_dir):
        os.makedirs(output_dir, exist_ok=True)

    # write CSV
    with open(output_file, "w", newline="", encoding="utf-8") as f:
        writer = csv.DictWriter(f, fieldnames=fieldnames)
        writer.writeheader()
        writer.writerows(merged_rows)

    print(f"Generation complete: {output_file} (Contain {id_counter-1} data entries).")


merge_prompt_with_colors("raw_config/Variation_5.csv", "raw_config/Color_Level_1.csv", "metadata/Variation_5_Color_1.csv", variation=5, color_level=1)
merge_prompt_with_colors("raw_config/Variation_5.csv", "raw_config/Color_Level_2.csv", "metadata/Variation_5_Color_2.csv", variation=5, color_level=2)
merge_prompt_with_colors("raw_config/Variation_5.csv", "raw_config/Color_Level_3.csv", "metadata/Variation_5_Color_3.csv", variation=5, color_level=3)