#!/usr/bin/env bash
# Exporta o DreamBall (Taevas; codigo e assets em dominio publico pela Unlicense, tres fontes SIL OFL,
# codeberg.org/Taevas/DreamBall) para a web com o Godot 4.5.1 oficial (a versao do projeto): renderer
# Compatibility (o projeto ja usa), SEM threads (modelo web_nothreads_release), sem PWA. O export_presets.cfg e
# nosso, ao lado deste script. Uma mudanca no projeto, o patch dreamball/web.patch (tambem no fonte
# publicado): na tela de creditos os botoes que abriam sites externos (OS.shell_open: site do autor,
# repositorio, site do Godot) saem; os textos das licencas continuam.
#
#   src/FredGames.Bundler/Builds/build-dreamball.sh
#
# O editor (macOS) e os modelos de exportacao vem do release 4.5.1-stable do GitHub, conferidos pelo SHA-256
# e ficam em artifacts/tools/godot-4.5.1, instalados sob lockf. O editor roda com HOME dentro da pasta de
# saida (configuracao e modelo isolados).
#
# Saida: artifacts/build/dreamball-2d2b12a/{web/,dreamball-2d2b12a.tar.gz}, que o bundle.yaml do jogo confere
# pelo SHA-256. O tar.gz e o fonte publicado (o projeto no commit pinado ja com o patch).

set -euo pipefail

NAME=dreamball
URL=https://codeberg.org/Taevas/DreamBall/archive
COMMIT=2d2b12a3058f7ab54801dd16f33128b2955cd15e
SHA256=fab0bc4be12d5c13bdc721fe12b7fa660a95ea8ae5dd8552ee6282d8c0c1f409
GODOT=4.5.1
GODOT_URL=https://github.com/godotengine/godot/releases/download/$GODOT-stable
GODOT_MAC_SHA256=65c27959d02aaacfc131ec7ecb90179ba8045200cb02982bf2be96d117010b8a
GODOT_TPZ_SHA256=1998af37f1387684e2c211cdb483daf492fc64dc6b12096bddcdca25b6910c86

here="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
root="$(git -C "$here" rev-parse --show-toplevel 2>/dev/null || pwd)"
out="$root/artifacts/build/$NAME-${COMMIT:0:7}"
cache="$root/artifacts/build/cache"
tools="$root/artifacts/tools"

mkdir -p "$cache"
fetch() {
  if [ ! -f "$cache/$2" ]; then
    curl -fsSL --retry 4 "$1" -o "$cache/$2.partial" && mv "$cache/$2.partial" "$cache/$2"
  fi
  echo "$3  $cache/$2" | shasum -a 256 -c -
}

install_godot() {
  [ -d "$tools/godot-$GODOT" ] && return 0
  fetch "$GODOT_URL/Godot_v$GODOT-stable_macos.universal.zip" "Godot_v$GODOT-stable_macos.universal.zip" "$GODOT_MAC_SHA256"
  fetch "$GODOT_URL/Godot_v$GODOT-stable_export_templates.tpz" "Godot_v$GODOT-stable_export_templates.tpz" "$GODOT_TPZ_SHA256"
  rm -rf "$tools/godot-$GODOT.tmp"
  mkdir -p "$tools/godot-$GODOT.tmp"
  unzip -q "$cache/Godot_v$GODOT-stable_macos.universal.zip" -d "$tools/godot-$GODOT.tmp"
  unzip -q "$cache/Godot_v$GODOT-stable_export_templates.tpz" templates/web_nothreads_release.zip templates/version.txt \
    -d "$tools/godot-$GODOT.tmp"
  mv "$tools/godot-$GODOT.tmp" "$tools/godot-$GODOT"
}
if [ "${1:-}" = "--install" ]; then install_godot; exit 0; fi

fetch "$URL/$COMMIT.tar.gz" "$NAME-${COMMIT:0:7}.tar.gz" "$SHA256"
if [ ! -d "$tools/godot-$GODOT" ]; then
  lockf -k "$root/artifacts/godot-$GODOT.lock" bash "${BASH_SOURCE[0]}" --install
fi

rm -rf "$out"
mkdir -p "$out/tree" "$out/web"
tar -xzf "$cache/$NAME-${COMMIT:0:7}.tar.gz" -C "$out/tree" --strip-components 1
tree="$out/tree"
patch -p1 -d "$tree" < "$here/$NAME/web.patch" > "$out/patch.log"

# Data fixa nos arquivos.
TZ=UTC find "$tree" -exec touch -t 202001010000 {} +
# Fonte publicado: o projeto inteiro (com o patch), em tar deterministico (ordem, dono e data fixos).
( cd "$tree" && find . -type f | sed 's|^\./||' | LC_ALL=C sort > "$out/files.txt" )
( cd "$tree" && COPYFILE_DISABLE=1 tar --format=ustar --uid 0 --gid 0 --uname root --gname root -n \
    -cf - -T "$out/files.txt" ) | gzip -n -9 > "$out/$NAME-${COMMIT:0:7}.tar.gz"

cp "$here/$NAME/export_presets.cfg" "$tree/export_presets.cfg"

export HOME="$out/home" TZ=UTC LC_ALL=C
templates="$HOME/Library/Application Support/Godot/export_templates/$GODOT.stable"
mkdir -p "$templates"
cp "$tools/godot-$GODOT/templates/web_nothreads_release.zip" "$tools/godot-$GODOT/templates/version.txt" "$templates/"

godot="$tools/godot-$GODOT/Godot.app/Contents/MacOS/Godot"
cd "$tree"
# A primeira passada importa os recursos (cria .godot/); a segunda exporta.
"$godot" --headless --path . --import > "$out/import.log" 2>&1 || true
"$godot" --headless --path . --export-release "Web" "$out/web/index.html" > "$out/export.log" 2>&1
ls -l "$out/web"