/*
 * meli - addressbook module
 *
 * Copyright 2019 Manos Pitsidianakis
 *
 * This file is part of meli.
 *
 * meli is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * meli is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with meli. If not, see <http://www.gnu.org/licenses/>.
 */
use chrono::{DateTime, Local};
use fnv::FnvHashMap;
use uuid::Uuid;

use std::ops::Deref;

pub type CardId = Uuid;

#[derive(Debug, Clone, PartialEq, Deserialize, Serialize)]
pub struct AddressBook {
    display_name: String,
    created: DateTime<Local>,
    last_edited: DateTime<Local>,
    cards: FnvHashMap<CardId, Card>,
}

#[derive(Debug, Clone, PartialEq, Deserialize, Serialize)]
pub struct Card {
    id: CardId,
    title: String,
    name: String,
    additionalname: String,
    name_prefix: String,
    name_suffix: String,
    //address
    birthday: Option<DateTime<Local>>,
    email: String,
    url: String,
    key: String,

    color: u8,
    last_edited: DateTime<Local>,
    extra_properties: FnvHashMap<String, String>,
}

impl AddressBook {
    pub fn new(display_name: String) -> AddressBook {
        AddressBook {
            display_name,
            created: Local::now(),
            last_edited: Local::now(),
            cards: FnvHashMap::default(),
        }
    }
    pub fn add_card(&mut self, card: Card) {
        self.cards.insert(card.id, card);
    }
    pub fn remove_card(&mut self, card_id: CardId) {
        self.cards.remove(&card_id);
    }
    pub fn card_exists(&self, card_id: CardId) -> bool {
        self.cards.contains_key(&card_id)
    }
    pub fn search(&self, term: &str) -> Vec<String> {
        self.cards
            .values()
            .filter(|c| c.email.contains(term))
            .map(|c| c.email.clone())
            .collect()
    }
}

impl Deref for AddressBook {
    type Target = FnvHashMap<CardId, Card>;

    fn deref(&self) -> &FnvHashMap<CardId, Card> {
        &self.cards
    }
}

impl Card {
    pub fn new() -> Card {
        Card {
            id: Uuid::new_v4(),
            title: String::new(),
            name: String::new(),
            additionalname: String::new(),
            name_prefix: String::new(),
            name_suffix: String::new(),
            //address
            birthday: None,
            email: String::new(),
            url: String::new(),
            key: String::new(),

            last_edited: Local::now(),
            extra_properties: FnvHashMap::default(),
            color: 0,
        }
    }

    pub fn id(&self) -> &CardId {
        &self.id
    }

    pub fn title(&self) -> &str {
        self.title.as_str()
    }
    pub fn name(&self) -> &str {
        self.name.as_str()
    }
    pub fn additionalname(&self) -> &str {
        self.additionalname.as_str()
    }
    pub fn name_prefix(&self) -> &str {
        self.name_prefix.as_str()
    }
    pub fn name_suffix(&self) -> &str {
        self.name_suffix.as_str()
    }
    pub fn email(&self) -> &str {
        self.email.as_str()
    }
    pub fn url(&self) -> &str {
        self.url.as_str()
    }
    pub fn key(&self) -> &str {
        self.key.as_str()
    }
    pub fn last_edited(&self) -> String {
        self.last_edited.to_rfc2822()
    }

    pub fn set_id(&mut self, new: Uuid) {
        self.id = new;
    }
    pub fn set_title(&mut self, new: String) {
        self.title = new;
    }
    pub fn set_name(&mut self, new: String) {
        self.name = new;
    }
    pub fn set_additionalname(&mut self, new: String) {
        self.additionalname = new;
    }
    pub fn set_name_prefix(&mut self, new: String) {
        self.name_prefix = new;
    }
    pub fn set_name_suffix(&mut self, new: String) {
        self.name_suffix = new;
    }
    pub fn set_email(&mut self, new: String) {
        self.email = new;
    }
    pub fn set_url(&mut self, new: String) {
        self.url = new;
    }
    pub fn set_key(&mut self, new: String) {
        self.key = new;
    }

    pub fn set_extra_property(&mut self, key: &str, value: String) {
        self.extra_properties.insert(key.to_string(), value);
    }
    pub fn extra_property(&self, key: &str) -> Option<&str> {
        self.extra_properties.get(key).map(String::as_str)
    }
}

impl From<FnvHashMap<String, String>> for Card {
    fn from(mut map: FnvHashMap<String, String>) -> Card {
        let mut card = Card::new();
        if let Some(val) = map.remove("Title") {
            card.title = val;
        }
        if let Some(val) = map.remove("Name") {
            card.name = val;
        }
        if let Some(val) = map.remove("Additional Name") {
            card.additionalname = val;
        }
        if let Some(val) = map.remove("Name Prefix") {
            card.name_prefix = val;
        }
        if let Some(val) = map.remove("Name Suffix") {
            card.name_suffix = val;
        }

        if let Some(val) = map.remove("E-mail") {
            card.email = val;
        }
        if let Some(val) = map.remove("url") {
            card.url = val;
        }
        if let Some(val) = map.remove("key") {
            card.key = val;
        }
        card.extra_properties = map;
        card
    }
}

impl Default for Card {
    fn default() -> Self {
        Self::new()
    }
}