use leptos::{Signal, View};

use super::{ControlBuilder, ControlData, ControlRenderData};
use crate::{
    form::{FormBuilder, FormData},
    styles::FormStyle,
};

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

impl ControlData for SelectData {
    type ReturnType = String;

    fn build_control<FS: FormStyle>(
        fs: &FS,
        control: ControlRenderData<FS, Self>,
        validation_state: Signal<Result<(), String>>,
    ) -> (View, Signal<Self::ReturnType>) {
        fs.select(control, validation_state)
    }
}

impl<FD: FormData, FS: FormStyle> FormBuilder<FD, FS> {
    pub fn select<FDT>(
        self,
        builder: impl Fn(
            ControlBuilder<FD, FS, SelectData, FDT>,
        ) -> ControlBuilder<FD, FS, SelectData, FDT>,
    ) -> Self {
        self.new_control(builder)
    }
}

impl<FD: FormData, FS: FormStyle, FDT> ControlBuilder<FD, FS, SelectData, FDT> {
    pub fn options(mut self, options: Vec<String>) -> Self {
        self.data.options = options;
        self
    }

    pub fn and_option(mut self, option: impl ToString) -> Self {
        self.data.options.push(option.to_string());
        self
    }
}