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/*
* MIT License
*
* Copyright (c) 2022 Andreas Nebinger, based on the work of Joey Castillo
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef TIME_LEFT_FACE_H_
#define TIME_LEFT_FACE_H_
/*
* TIME LEFT face
*
* The Time Left Face helps you to visualize how far you have proceeded in a certain
* time span. Much like the Day One Face, you can set your beginning date. In addition
* to that, you also set your target or destination date. You can then use the face
* to display your progress in different ways.
*
* Usage:
*
* - Long pressing of the light button starts the settings mode:
* - First, you set the beginning date (indicated by a 'b' in the upper right corner).
* - Start by setting the year (indicated by the letter 'YR'). Use the alarm button
* to cycle the value. Short pressing the light button brings you to the next
* settings page.
* - Set the values in this order:
* a. beginning date (indicated by a 'b'): year - month - day
* b. destination date (indicated by a 'd'): year - month - day
* - After cycling through all settings pages, the face resumes to display mode.
*
* - In display mode, use the alarm button (short press) to cycle through these four
* types of display:
* a. number of days left ('DL') until the destination date is reached.
* b. remaining days expressed as percentage of total time span. The value is shown
* with two decimals, using the colon as decimal point.
* c. number of days passed ('DA') since the beginning date.
* d. number of days passed expressed as percentage of total time span. (Two decimal
* points.)
*
* What is this for?
*
* You can use this watch face to be reminded of any kind of progess between a set
* start and end date. The brave among us can use it as a kind of memento mori
* visualization. Set your date of birth and look up the average life expectancy of
* your age cohort based on publicly available mortality tables. Then, set the
* statistically expected day of death as the target date and you will be able to
* see how much of your time has passed and how much is still to come.
*
*/
#include "movement.h"
typedef struct {
uint8_t current_page;
uint16_t current_year;
movement_birthdate_t birth_date;
movement_birthdate_t birth_date_when_activated;
movement_birthdate_t target_date;
} time_left_state_t;
void time_left_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr);
void time_left_face_activate(movement_settings_t *settings, void *context);
bool time_left_face_loop(movement_event_t event, movement_settings_t *settings, void *context);
void time_left_face_resign(movement_settings_t *settings, void *context);
#define time_left_face ((const watch_face_t){ \
time_left_face_setup, \
time_left_face_activate, \
time_left_face_loop, \
time_left_face_resign, \
NULL, \
})
#endif // TIME_LEFT_FACE_H_
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