#!/usr/bin/env bash
# Generate a poster for every title in catalog.py: a gradient with the title
# and year, 500x750 JPEG in posters/. Needs ImageMagick 7 and fontconfig.
set -euo pipefail
cd "$(dirname "$0")"

font=$(fc-match -f '%{file}' 'DejaVu Serif:style=Bold')
small=$(fc-match -f '%{file}' 'DejaVu Sans')
mkdir -p posters
python3 -c '
import catalog
for m in catalog.MOVIES: print("m%d|%s|%d|%s|%s" % (m[0], m[1], m[2], m[10][0], m[10][1]))
for s in catalog.SERIES: print("s%d|%s|%d|%s|%s" % (s[0], s[1], s[2], s[7][0], s[7][1]))
' | while IFS='|' read -r id title year c1 c2; do
  magick -size 500x750 "gradient:$c1-$c2" \
    \( -size 420x320 -background none -fill white -font "$font" -gravity center caption:"$title" \) \
    -gravity north -geometry +0+120 -composite \
    \( -size 420x60 -background none -fill '#ffffffcc' -font "$small" -pointsize 30 -gravity center caption:"$year" \) \
    -gravity south -geometry +0+70 -composite \
    -quality 88 "posters/$id.jpg"
done