use vcard::properties;
use vcard::parameters;
use vcard::values;
use std::collections::HashSet;
use super::*;
use crate::view::telephone::*;

#[derive(Clone)]
pub struct Telephone {
    pub number: String,
    pub extension: String,
    pub work: bool,
    pub home: bool,
    pub text: bool,
    pub voice: bool,
    pub fax: bool,
    pub cell: bool,
    pub video: bool,
    pub pager: bool,
    pub text_phone: bool,
}

impl VCardPropertyInputObject<properties::Telephone, TelephoneView> for Telephone {
    fn new() -> Self {
        Self {
            number: String::new(),
            extension: String::new(),
            work: false,
            home: false,
            text: false,
            voice: false,
            fax: false,
            cell: false,
            video: false,
            pager: false,
            text_phone: false,
        }
    }
    fn get_input_fields(&self, link: &ComponentLink<TelephoneView>) -> Vec<VCardPropertyInputField> {
        vec![
            VCardPropertyInputField::Text{
                label: "Number".to_string(),
                id: Some("number".to_string()),
                placeholder: None,
                oninput: link.callback(|e: InputData| Msg::UpdateNumber(e.value)),
                value: self.number.clone(),
            },
            VCardPropertyInputField::Text{
                label: "Extension".to_string(),
                id: Some("extension".to_string()),
                placeholder: None,
                oninput: link.callback(|e: InputData| Msg::UpdateExtension(e.value)),
                value: self.extension.clone(),
            },
            VCardPropertyInputField::CheckBox{
                label: "Work".to_string(),
                id: Some("work".to_string()),
                onclick: link.callback(|_: MouseEvent| Msg::ToggleWork),
                value: self.work,
            },
            VCardPropertyInputField::CheckBox{
                label: "Home".to_string(),
                id: Some("home".to_string()),
                onclick: link.callback(|_: MouseEvent| Msg::ToggleHome),
                value: self.home,
            },
            VCardPropertyInputField::CheckBox{
                label: "Text".to_string(),
                id: Some("text".to_string()),
                onclick: link.callback(|_: MouseEvent| Msg::ToggleText),
                value: self.text,
            },
            VCardPropertyInputField::CheckBox{
                label: "Voice".to_string(),
                id: Some("voice".to_string()),
                onclick: link.callback(|_: MouseEvent| Msg::ToggleVoice),
                value: self.voice,
            },
            VCardPropertyInputField::CheckBox{
                label: "Fax".to_string(),
                id: Some("fax".to_string()),
                onclick: link.callback(|_: MouseEvent| Msg::ToggleFax),
                value: self.fax,
            },
            VCardPropertyInputField::CheckBox{
                label: "Cell".to_string(),
                id: Some("cell".to_string()),
                onclick: link.callback(|_: MouseEvent| Msg::ToggleCell),
                value: self.cell,
            },
            VCardPropertyInputField::CheckBox{
                label: "Video".to_string(),
                id: Some("video".to_string()),
                onclick: link.callback(|_: MouseEvent| Msg::ToggleVideo),
                value: self.video,
            },
            VCardPropertyInputField::CheckBox{
                label: "Pager".to_string(),
                id: Some("pager".to_string()),
                onclick: link.callback(|_: MouseEvent| Msg::TogglePager),
                value: self.pager,
            },
            VCardPropertyInputField::CheckBox{
                label: "Text Phone".to_string(),
                id: Some("text_phone".to_string()),
                onclick: link.callback(|_: MouseEvent| Msg::ToggleTextPhone),
                value: self.text_phone,
            },
        ]
    }
    fn is_empty(&self) -> bool {
        self.number.is_empty() &&
        self.extension.is_empty()
    }
    fn to_vcard_property(&self) -> Result<properties::Telephone, Error> { // TODO error handling
        let mut telephone = properties::Telephone::from_telephone_value(
            values::telephone_value::TelephoneValue::from_telephone_number_str(
                self.number.clone(), 
                match self.extension.is_empty() {
                    true => None::<&str>,
                    false => Some(&self.extension),
                },
            ).unwrap()
        );

        let type_values = {
            let mut type_values = HashSet::new();

            if self.work {
                type_values.insert(values::type_value::TypeValueWithTelephoneType::Work);
            }
            if self.home {
                type_values.insert(values::type_value::TypeValueWithTelephoneType::Home);
            }
            if self.text {
                type_values.insert(values::type_value::TypeValueWithTelephoneType::Text);
            }
            if self.voice {
                type_values.insert(values::type_value::TypeValueWithTelephoneType::Voice);
            }
            if self.fax {
                type_values.insert(values::type_value::TypeValueWithTelephoneType::Fax);
            }
            if self.cell {
                type_values.insert(values::type_value::TypeValueWithTelephoneType::Cell);
            }
            if self.video {
                type_values.insert(values::type_value::TypeValueWithTelephoneType::Video);
            }
            if self.pager {
                type_values.insert(values::type_value::TypeValueWithTelephoneType::Pager);
            }
            if self.text_phone {
                type_values.insert(values::type_value::TypeValueWithTelephoneType::TextPhone);
            }

            vcard::Set::from_hash_set(type_values).unwrap()
        };

        if let properties::Telephone::TelephoneValue { ref mut typ, .. } = telephone {
            *typ = Some(parameters::typ::TypeWithTelType::from_type_values(type_values));
        }

        Ok(telephone)
    }
}