use crate::format;
use crate::map::Map;
use crate::value::Value;
use std::error::Error;

pub fn parse(
  uri: Option<&String>,
  text: &str,
) -> Result<Map<String, Value>, Box<dyn Error + Send + Sync>> {
  // Parse a TOML value from the provided text
  let value = from_toml_value(uri, &toml::from_str(text)?);
  format::extract_root_table(uri, value)
}

fn from_toml_value(uri: Option<&String>, value: &toml::Value) -> Value {
  match *value {
    toml::Value::String(ref value) => Value::new(uri, value.to_string()),
    toml::Value::Float(value) => Value::new(uri, value),
    toml::Value::Integer(value) => Value::new(uri, value),
    toml::Value::Boolean(value) => Value::new(uri, value),

    toml::Value::Table(ref table) => {
      let mut m = Map::new();

      for (key, value) in table {
        m.insert(key.clone(), from_toml_value(uri, value));
      }

      Value::new(uri, m)
    }

    toml::Value::Array(ref array) => {
      let mut l = Vec::new();

      for value in array {
        l.push(from_toml_value(uri, value));
      }

      Value::new(uri, l)
    }

    toml::Value::Datetime(ref datetime) => Value::new(uri, datetime.to_string()),
  }
}
