use std::fs;
use serde_json::Value;
use std::io::Write;

fn main() -> std::io::Result<()> {
    let json_string = fs::read_to_string("boards/coding.json")?;
    let output_dir = "output";
    fs::create_dir(output_dir)?;

    let json_data: Value  = serde_json::from_str(&json_string).unwrap();

    let board_dir = format!("{}/{}", output_dir, json_data["name"].as_str().unwrap());
    fs::create_dir(&board_dir)?;

    if let Value::Array(lists) = &json_data["lists"]{
        if let Value::Array(cards) = &json_data["cards"]{
            for list in lists {
                let list_dir = format!("{}/{}", board_dir, list["name"].as_str().unwrap());
                fs::create_dir(&list_dir)?;
                for card in cards {
                    if card["idList"] == list["id"]{
                        let file_path = format!("{}/{}.md", list_dir, card["name"].as_str().unwrap());
                        let mut file = fs::File::create(&file_path)?;
                        let header_text = format!("# {}\n\n", card["name"].as_str().unwrap());
                        file.write_all(header_text.as_bytes())?;
                        let checklists = json_data["checklists"].as_array().unwrap();
                        for checklist in checklists {
                            if checklist["idCard"] == card["id"]{
                                let checklist_title = format!("## {}\n\n", checklist["name"].as_str().unwrap());
                                file.write_all(checklist_title.as_bytes())?;
                            }
                        }
                    }
                }
            }
        }
    }
    Ok(())
}