#!/bin/bash
# dependencies, jq
# if you have run into github api anonymous access limits which happens during debugging/dev then add user and token here or sourced from a separate file
# . ~/githubapitoken
#GITHUB_USER=""
#GITHUB_TOKEN=""

[[ $(command -v jq &> /dev/null) ]] && echo jq is required, install via \'sudo apt install jq\' && exit

[[ ! $GITEA_DIR ]] && export GITEA_DIR="$(dirname "$(cd "$(dirname "$BASH_SOURCE")"; pwd -P)")"
source $GITEA_DIR/scripts/library

REPO=go-gitea/gitea

if [ "$GITHUB_TOKEN" != "" ]; then
echo using access token with script
echo $GITHUB_USER $GITHUB_TOKEN
fi

# ARCHIVE=tar.gz
# [ "$OS" == "windows" ] && ARCHIVE=zip
OS=$(get_OS)
ARCH=$(get_arch)
[[ ! $OS ]] && echo non supported OS $OS && exit
[[ ! $ARCH ]] && echo non supported architecture $ARCH && exit
echo Gitea Upgrade/Install for
echo Operating System $OS
echo Architecture $ARCH
RECORD=$(curl -u $GITHUB_USER:$GITHUB_TOKEN -s https://api.github.com/repos/$REPO/releases/latest)
NEW_VER=$(echo $RECORD | jq -r '.tag_name')
[ "$NEW_VER" ] && echo $NEW_VER is latest version available from  https://github.com/c$REPO/releases
echo checking current gitea installed version
VER=$(version)
if [[ "$NEW_VER" == "v$VER" ]]; then
     echo gitea is up to date, nothing to upgrade, v$VER
     exit
    else
      [[ $VER ]] && echo updating v$VER to $NEW_VER || echo no current installed gitea binary, installing $NEW_VER
    fi

URL=$(echo $RECORD | \
  jq -r \
  --arg os $OS \
  --arg arch $ARCH \
  --arg archnot "$ARCH." \
  '.assets[] | select(  .name | contains($os)) |
    select (.name | contains($arch)) |
    select (.name | contains($archnot) | not )
    .browser_download_url' \
  )

echo $URL

if [ $URL ]; then
echo "Downloading Gitea Binary at $URL"
wget --user=-u $GITHUB_USER --password=$GITHUB_TOKEN -q -O $GITEA_DIR/gitea.bin $URL
if ( [[ $? -eq 0 ]] &&   [[ "$NEW_VER" == *"$(version)"* ]] ); then
  chmod +x $GITEA_DIR/gitea.bin
  echo upgrade succeeded, $GITEA_DIR/gitea.bin version is $(version)
else
  echo upgrade from $URL failed
fi
else
 echo unabled to determine download url
fi