#!/bin/sh
# Builds the download page into build/site/ for the release in
# build/version.json (made by tools/export.sh):
#
#   tools/site/make_site.sh
#
#   build/site/index.html    the page, with this release's download links
#   build/site/poster.jpg    the trailer's title frame
#   build/site/trailer.mp4   the trailer (tools/trailer/make_trailer.sh)
#
# Copy the folder to any static web host. Gitea itself won't serve HTML, so
# the page lives elsewhere and links to the files on the Gitea release.
# Rebuild it after each release (the links name the version).

cd "$(dirname "$0")/../.." || exit 1
REPO=${REPO:-https://git.psbailey.uk/Admin/Emberwild}
[ -f build/version.json ] || { echo "no build/version.json: run tools/export.sh first"; exit 1; }
[ -f build/Emberwild-trailer.mp4 ] || { echo "no trailer: run tools/trailer/make_trailer.sh first"; exit 1; }

rm -rf build/site && mkdir -p build/site
cp build/Emberwild-trailer.mp4 build/site/trailer.mp4
cp build/trailer/poster.jpg build/site/poster.jpg
python3 - "$REPO" <<'EOF'
import html, json, sys
repo = sys.argv[1].rstrip("/")
v = json.load(open("build/version.json"))
tag = "v" + v["version"]
def dl(plat):
    d = v["downloads"].get(plat)
    if not d:
        return repo + "/releases", "see all releases"
    return "%s/releases/download/%s/%s" % (repo, tag, d["file"]), "%.0f MB" % (d["size"] / 1e6)
mac_url, mac_size = dl("macos")
win_url, win_size = dl("windows")
page = open("tools/site/index.html").read()
for k, val in {
    "VERSION": v["version"], "DATE": v.get("date", ""), "NOTES": v.get("notes", ""),
    "MAC_URL": mac_url, "MAC_SIZE": mac_size, "WIN_URL": win_url, "WIN_SIZE": win_size,
    "RELEASES_URL": repo + "/releases",
}.items():
    page = page.replace("{{%s}}" % k, html.escape(str(val), quote=True))
assert "{{" not in page, "a placeholder was left unfilled"
open("build/site/index.html", "w").write(page)
print("built build/site/ for %s:\n  %s\n  %s" % (v["version"], mac_url, win_url))
EOF