/*
 * meli - accounts 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/>.
 */

mod contacts;

pub use contacts::*;

use super::*;
use std::fmt;

#[derive(Debug)]
pub struct AccountsPanel {
    cursor: usize,
    content: CellBuffer,
    dirty: bool,
}

impl fmt::Display for AccountsPanel {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "accounts")
    }
}


impl Component for AccountsPanel {
    fn draw(&mut self, grid: &mut CellBuffer, area: Area, context: &mut Context) {
        if self.dirty {
            write_string_to_grid(
                "Accounts",
                &mut self.content,
                Color::Default,
                Color::Default,
                ((2, 3), (120 - 1, 3)),
                true,
                );

            for (i, a) in context.accounts.iter().enumerate() {
                create_box(&mut self.content, ((2,5+i*10 ), (120-1, 15+i*10)));
                let (x, y) = write_string_to_grid(
                    a.name(),
                    &mut self.content,
                    Color::Default,
                    Color::Default,
                    ((3, 5 + i*10), (120 - 2, 5 + i*10)),
                    true,
                    );
                write_string_to_grid(
                    " ▒██▒ ",
                    &mut self.content,
                    Color::Byte(32),
                    Color::Default,
                    ((x, y), (120 - 2, 5 + i*10)),
                    true,
                    );
                write_string_to_grid(
                    &a.runtime_settings.account().identity,
                    &mut self.content,
                    Color::Default,
                    Color::Default,
                    ((4, y + 2), (120 - 2, y + 2)),
                    true,
                    );
                if i == self.cursor {
                    for h in 1..8 {
                        self.content[(2, h+y+1)].set_ch('*');
                    }
                }
                write_string_to_grid(
                    "- Settings",
                    &mut self.content,
                    Color::Default,
                    Color::Default,
                    ((5, y + 3), (120 - 2, y + 3)),
                    true,
                    );
                write_string_to_grid(
                    "- Contacts",
                    &mut self.content,
                    Color::Default,
                    Color::Default,
                    ((5, y + 4), (120 - 2, y + 4)),
                    true,
                    );
                write_string_to_grid(
                    "- Mailing Lists",
                    &mut self.content,
                    Color::Default,
                    Color::Default,
                    ((5, y + 5), (120 - 2, y + 5)),
                    true,
                    );

                

            }
            self.dirty = false;
        }
        clear_area(grid, area);

        let (width, height) = self.content.size();
        copy_area(grid, &self.content, area, ((0, 0), (width - 1, height - 1)));
        context.dirty_areas.push_back(area);
    }
    fn process_event(&mut self, event: &mut UIEvent, context: &mut Context) -> bool {
        match event.event_type {
            UIEventType::Input(Key::Up) => {
                self.cursor = self.cursor.saturating_sub(1);
                self.dirty = true;
                return true;
            },
            UIEventType::Input(Key::Down) => {
                if self.cursor + 1 < context.accounts.len() {
                    self.cursor += 1;
                    self.dirty = true;
                }
                return true;
            },
            UIEventType::Input(Key::Char('\n')) => {
                context.replies.push_back(UIEvent {
                    id: 0,
                    event_type: UIEventType::Action(Tab(TabOpen(Some(Box::new(ContactList::for_account(self.cursor)))
                    )))});
                return true;
            },
            _ => {},
        }

        false
    }
    fn is_dirty(&self) -> bool {
        self.dirty
    }
    fn set_dirty(&mut self) {
        self.dirty = true;
    }
}

impl AccountsPanel {
    pub fn new(context: &Context) -> AccountsPanel {
        let content = CellBuffer::new(120, 25 + context.accounts.len() * 20, Cell::default());

        AccountsPanel {
            cursor: 0,
            content,
            dirty: true,
        }
    }
}