# show all recipes
default:
  just --list --unsorted

remtmpl := '''
  "rem {{date}} at 08:00 tag breakfast msg {{breakfast}}%
  rem {{date}} at 12:00 tag lunch msg {{lunch}}%
  rem {{date}} at 18:00 tag dinner msg {{dinner}}%
  "'''

# build menu.rem from menu.rec
rem:
  #!/bin/sh
  exec > dist/menu.rem
  recsel db/menu.rec | recfmt {{remtmpl}}

# build menu pdf from menu.rec
pdf:
  #!/usr/bin/env zx
  const curr = new Date()
  const firstday = new Date(curr.setDate(curr.getDate() - curr.getDay()));
  const lastday = new Date(curr.setDate(curr.getDate() - curr.getDay()+6));
  const options = {
    year: "numeric",
    month: "long",
    day: "numeric",
  };
  const rec = await $`recsel db/menu.rec -e ${'date >> "' + firstday + '"'}`.quiet()
    .pipe($`recsel -e ${'date << "' + lastday + '"'}`).quiet()
  const bkfst = await $`echo ${rec}`.quiet()
    .pipe($`recsel -p breakfast`).quiet()
    .pipe($`recfmt '.ad l
  {{{{breakfast}}
  T};T{
  '`).quiet()
  const lunch = await $`echo ${rec}`.quiet()
    .pipe($`recsel -p lunch`).quiet()
    .pipe($`recfmt '.ad l
  {{{{lunch}}
  T};T{
  '`).quiet()
  const dinner = await $`echo ${rec}`.quiet()
    .pipe($`recsel -p dinner`).quiet()
    .pipe($`recfmt '.ad l
  {{{{dinner}}
  T};T{
  '`).quiet()
  const firstdaygroff = new Date(firstday.setDate(firstday.getDate()+1 - firstday.getDay())).toLocaleString('en-US', options);
  const lastdaygroff = new Date(lastday.setDate(lastday.getDate() - lastday.getDay()+5)).toLocaleString('en-US', options);
  const tmpl=`
  .ce
  .I
  chez brun
  .sp 2
  .LP
  .ps 14
  ${firstdaygroff} - ${lastdaygroff}
  .ps
  .sp 3
  .LP
  .TS
  center expand tab(;);
  l | lp+2 lp+2 lp+2 lp+2 lp+2 
  - | - - - - -
  l | l l l l l.
  ;Monday;Tuesday;Wednesday;Thursday;Friday
  Breakfast;T{
  ${bkfst}
  T}
  .sp
  Lunch;T{
  ${lunch}
  T}
  .sp
  Dinner;T{
  ${dinner}
  T}
  .TE`
  await $`echo ${tmpl}`.quiet()
    .pipe($`groff -t -ms -Tpdf -d paper=letterl -P-pletterl > dist/${new Date(firstdaygroff).toISOString().slice(0, 10)}-${new Date(lastdaygroff).toISOString().slice(8,10)}.pdf`)

# build menus!
menu: rem pdf

# shopping list
shopping:
  #!/usr/bin/env sh
  begin=$(gdate -d'next sun')
  end=$(gdate -d'next sun +7 days')
  recsel db/menu.rec -e "date >> '$begin'" \
  | recsel -e "date << '$end'" -P breakfast,lunch,dinner -C \
  | sort \
  | uniq \
  | xargs -I % recsel db/recipes.rec \
      -t meal \
      -j recipe \
      -e "name = '%'" \
      -G name \
      -P recipe_ingredient \
  | sort