#!/usr/bin/env bash

set -euf -o pipefail

curp="$(cd "$(dirname "$0")" && pwd)"

create_org() {
  orgid=$(curl --silent -X POST "${GITEA_SERVER_API_URL}/orgs" \
    -H "Authorization: token ${GITEA_ADMIN_TOKEN}" \
    -H "accept: application/json" \
    -H "Content-Type: application/json" \
    -d "{ \"username\": \"$1\", \"visibility\": \"limited\"}" | jq -r '.id')
  [[ "$orgid" != "null" ]] && sleep 1 || true
}

create_repo() {
  repoid=$(curl --silent -X POST "${GITEA_SERVER_API_URL}$2" \
    -H "Authorization: token ${GITEA_ADMIN_TOKEN}" \
    -H "accept: application/json" \
    -H "Content-Type: application/json" \
    -d "{\"auto_init\": false, \"private\": true, \"name\": \"$1\"}" | jq -r '.id')
  [[ "$repoid" != "null" ]] && sleep 5 || true
}

# defaults
: ${GITEA_ADMIN_USERNAME:=$USER}
: ${GITEA_ADMIN_PASSWORD:=}
# example ssh://git@gitea.example.com:3022
: ${GITEA_SERVER_PUSH_URL:=}

ARGS=()
while [[ $# -gt 0 ]]; do
  case "$1" in
  --url | -u)
    GITEA_SERVER_URL="$2"
    shift 2
    ;;
  --token | -t)
    GITEA_ADMIN_TOKEN="$2"
    shift 2
    ;;
  --admin | -a)
    GITEA_ADMIN_USERNAME="$2"
    shift 2
    ;;
  --password | -p)
    GITEA_ADMIN_PASSWORD="$2"
    shift 2
    ;;
  --pushurl | -s)
    GITEA_SERVER_PUSH_URL="$2"
    shift 2
    ;;
  --)
    shift 1
    break
    ;;
  -*)
    echo "unknown argument: $1" 1>&2
    exit 1
    ;;
  *)
    ARGS+=("$1")
    shift 1
    ;;
  esac
done

[ -z "${GITEA_SERVER_PUSH_URL}" ] &&
  GITEA_SERVER_PUSH_URL="$(echo "${GITEA_SERVER_URL}" | perl -pe "s#(https?://)#\${1}${GITEA_ADMIN_USERNAME}:${GITEA_ADMIN_PASSWORD}@#")"

GITEA_SERVER_API_URL="${GITEA_SERVER_URL}/api/v1"

# repo examples
# /path/to/repo:orgname ( orgname only )
# /path/to/repo::reponame ( repo name only )
# /path/to/repo:orgname:reponame ( all options passed )
# /path/to/repo ( use name from path, no org )

# init repos
for repo in "${ARGS[@]}"; do
  repoPath="$(echo "$repo" | cut -d ':' -f1 | tr -d '[:space:]')"
  repoOrg="$(echo "$repo" | cut -d ':' -f2 | tr -d '[:space:]')"
  repoName="$(echo "$repo" | cut -d ':' -f3 | tr -d '[:space:]')"
  [ -z "$repoName" ] && repoName="$(basename "$repoPath" ".git")"
  if [ -z "$repoOrg" ]; then
    repoAPIEP="/user/repos"
    repoOwner="${GITEA_ADMIN_USERNAME}"
  else
    create_org "$repoOrg"
    repoAPIEP="/org/$repoOrg/repos"
    repoOwner="$repoOrg"
  fi
  create_repo "${repoName}" "${repoAPIEP}" 1>&2
  (
    cd "$repoPath"
    git push "${GITEA_SERVER_PUSH_URL}/${repoOwner}/${repoName}.git" master
  )
done