upload

#!/usr/bin/env bash

# Sane defaults.
set -euo pipefail

# Find scripts directory.
script="$0"
if test -L "$script"; then
	script="$(readlink -f "$0")"
fi
prefix="$(dirname "$script")"
script="$(basename "$script")"

# Print the manual.
help() {
	cat <<-EOF >&2
		About
		        Upload distributable to CurseForge. Depends on jq.

		Usage
		        $script -h
		        $script [-x] -t <token> <path>

		Flags
		        -h      Print this manual.
		        -x      Enable debug mode.
		        -t      CurseForge API token.
	EOF
}

# Parse and apply flags.
while getopts ":xht:" option; do
	case "$option" in
		x)
			set -x
			;;
		h)
			help
			exit
			;;
		t)
			token="$OPTARG"
			;;
		?)
			echo "$script: unknown flag '$OPTARG', try -h" >&2
			exit
			;;
	esac
done

# Drop flags by shifting arguments.
shift $((OPTIND - 1))

# Test required arguments.
if test -z "$*"; then
	echo "$script: missing required argument, see -h" >&2
	exit
fi

# Test required flags.
if test -z "${token:-}"; then
	echo "$script: missing required flag, see -h" >&2
	exit
fi

# Test for jq.
if ! command -v jq >/dev/null; then
	echo "$script: missing dependency 'jq'" >&2
	exit 1
fi

# Add-on directory path, e.g. ./Add-on.
target="$1"

# Validate target.
"$prefix/inspect" -V "$target"

# Check for .curseforge file.
if ! test -f "$target/.curseforge"; then
	echo "$script: '$target/.curseforge' is not a file" >&2
	exit 1
fi

# Archive name, e.g. Add-on-v42.zip.
archive="$("$prefix/inspect" -a "$target")"

# Distributable directory, e.g. ./dist.
dist="$target/dist"

# Test archive.
if ! test -f "$dist/$archive"; then
	echo "$script: '$dist/$archive' is not a file" >&2
	exit 1
fi

# Read project id from .curseforge file.
project_id="$(jq .projectId "$target/.curseforge")"

# ...
interface="$("$prefix/inspect" -i "$target" | jq -Rc '[.]')"

# ...
curl -s "https://wow.curseforge.com/api/game/versions" -H "X-Api-Token: $token" \
	| jq -c --argjson interface "$interface" '.[] | select([.apiVersion] | inside($interface)).id' > "$dist/gameVersions"

# Generate metadata. `$changelog` here is a jq variable.
jq --rawfile changelog "$dist/CHANGELOG.md" \
	--slurpfile gameVersions "$dist/gameVersions" \
	'.changelog = $changelog | .gameVersions = $gameVersions | del(.projectId)' "$target/.curseforge" > "$dist/metadata.json"

# Upload to CurseForge.
curl -vf -X POST "https://wow.curseforge.com/api/projects/$project_id/upload-file" \
	-H "X-Api-Token: $token" \
	-F "metadata=<$dist/metadata.json" \
	-F "file=@$dist/$archive"