use super::{ControlBuilder, ControlData, ControlRenderData};
use crate::{form::FormToolData, form_builder::FormBuilder, styles::FormStyle};
use leptos::{Signal, View};

#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
pub struct TextAreaData {
    pub(crate) name: String,
    pub(crate) placeholder: Option<String>,
}

impl ControlData for TextAreaData {
    type ReturnType = String;

    fn build_control<FS: FormStyle>(
        fs: &FS,
        control: ControlRenderData<FS, Self>,
        value_getter: Signal<Self::ReturnType>,
        value_setter: Box<dyn Fn(Self::ReturnType)>,
        validation_state: Signal<Result<(), String>>,
    ) -> View {
        fs.text_area(control, value_getter, value_setter, validation_state)
    }
}

impl<FD: FormToolData, FS: FormStyle> FormBuilder<FD, FS> {
    pub fn text_area<FDT: Clone + PartialEq + 'static>(
        self,
        builder: impl Fn(
            ControlBuilder<FD, FS, TextAreaData, FDT>,
        ) -> ControlBuilder<FD, FS, TextAreaData, FDT>,
    ) -> Self {
        self.new_control(builder)
    }
}

impl<FD: FormToolData, FS: FormStyle, FDT> ControlBuilder<FD, FS, TextAreaData, FDT> {
    pub fn placeholder(mut self, placeholder: impl ToString) -> Self {
        self.data.placeholder = Some(placeholder.to_string());
        self
    }
}