use super::pptr::PPtr;
use crate::object::{Value, parser::FromValue};
use anyhow::Result;
use serde::Serialize;

#[derive(Debug, Serialize)]
pub struct Shader {
    pub dependencies: Vec<PPtr<Shader>>,
    pub name: String,
    pub parsed: SerializedShader,
}

#[derive(Debug, Serialize)]
pub struct SerializedShader {
    pub name: String,
}

impl FromValue for Shader {
    fn from_value(v: Value) -> Result<Self> {
        let mut fields = v.as_class("Shader")?;
        Ok(Self {
            name: fields.field("m_Name")?,
            parsed: fields.field("m_ParsedForm")?,
            dependencies: fields
                .remove("m_Dependencies")
                .unwrap()
                .as_vector()
                .unwrap()
                .into_iter()
                .map(|e| e.parse().unwrap())
                .collect(),
        })
    }
}
impl FromValue for SerializedShader {
    fn from_value(v: Value) -> Result<Self> {
        let mut fields = v.as_class("SerializedShader")?;
        Ok(Self {
            name: fields.field("m_Name")?,
        })
    }
}