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use chrono::NaiveDate;
use cursive::direction::Direction;
use cursive::event::{Event, EventResult};
use cursive::{Printer, Vec2};
use typetag;
use crate::habit::{Bit, Count, TrackEvent, ViewMode};
use crate::views::ShadowView;
pub trait Habit {
type HabitType;
fn set_name(&mut self, name: impl AsRef<str>);
fn set_goal(&mut self, goal: Self::HabitType);
fn name(&self) -> String;
fn get_by_date(&self, date: NaiveDate) -> Option<&Self::HabitType>;
fn insert_entry(&mut self, date: NaiveDate, val: Self::HabitType);
fn reached_goal(&self, date: NaiveDate) -> bool;
fn remaining(&self, date: NaiveDate) -> u32;
fn goal(&self) -> u32;
fn modify(&mut self, date: NaiveDate, event: TrackEvent);
fn set_view_month_offset(&mut self, offset: u32);
fn view_month_offset(&self) -> u32;
fn set_view_mode(&mut self, mode: ViewMode);
fn view_mode(&self) -> ViewMode;
}
#[typetag::serde(tag = "type")]
pub trait HabitWrapper: erased_serde::Serialize {
fn remaining(&self, date: NaiveDate) -> u32;
fn goal(&self) -> u32;
fn modify(&mut self, date: NaiveDate, event: TrackEvent);
fn draw(&self, printer: &Printer);
fn on_event(&mut self, event: Event) -> EventResult;
fn required_size(&mut self, _: Vec2) -> Vec2;
fn take_focus(&mut self, _: Direction) -> bool;
fn get_name(&self) -> String;
fn set_view_month_offset(&mut self, offset: u32);
fn view_month_offset(&self) -> u32;
fn set_view_mode(&mut self, mode: ViewMode);
fn view_mode(&self) -> ViewMode;
}
macro_rules! auto_habit_impl {
($struct_name:ident) => {
#[typetag::serde]
impl HabitWrapper for $struct_name {
fn remaining(&self, date: NaiveDate) -> u32 {
Habit::remaining(self, date)
}
fn goal(&self) -> u32 {
Habit::goal(self)
}
fn modify(&mut self, date: NaiveDate, event: TrackEvent) {
Habit::modify(self, date, event);
}
fn draw(&self, printer: &Printer) {
ShadowView::draw(self, printer)
}
fn on_event(&mut self, event: Event) -> EventResult {
ShadowView::on_event(self, event)
}
fn required_size(&mut self, x: Vec2) -> Vec2 {
ShadowView::required_size(self, x)
}
fn take_focus(&mut self, d: Direction) -> bool {
ShadowView::take_focus(self, d)
}
fn get_name(&self) -> String {
Habit::name(self)
}
fn set_view_month_offset(&mut self, offset: u32) {
Habit::set_view_month_offset(self, offset)
}
fn view_month_offset(&self) -> u32 {
Habit::view_month_offset(self)
}
fn set_view_mode(&mut self, mode: ViewMode) {
Habit::set_view_mode(self, mode)
}
fn view_mode(&self) -> ViewMode {
Habit::view_mode(self)
}
}
};
}
auto_habit_impl!(Count);
auto_habit_impl!(Bit);
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