#!/usr/bin/env bash

set -euo pipefail

source "$(cd "$(dirname "$0")/.." && pwd)/lib/common.sh"

require_cmd curl
require_env GITEA_PACKAGE_TOKEN

work_root="$(ci_work_root)"
metadata_file="$work_root/artifacts/package.env"

[[ -f "$metadata_file" ]] || die "Package metadata file not found: $metadata_file"

set -a
  # shellcheck disable=SC1090
  . "$metadata_file"
set +a

owner="${GITEA_PACKAGE_OWNER:-${CI_REPO_OWNER:-}}"
username="${GITEA_PACKAGE_USERNAME:-${CI_REPO_OWNER:-}}"
base_url="${GITEA_BASE_URL:-$DEFAULT_GITEA_BASE_URL}"

[[ -n "$owner" ]] || die "Unable to determine Gitea package owner. Set GITEA_PACKAGE_OWNER or CI_REPO_OWNER."
[[ -n "$username" ]] || die "Unable to determine Gitea upload username. Set GITEA_PACKAGE_USERNAME or CI_REPO_OWNER."
[[ -f "${PACKAGE_FILE:-}" ]] || die "Built package file not found: ${PACKAGE_FILE:-unset}"

upload_url="$base_url/api/packages/$owner/debian/pool/$PACKAGE_DISTRIBUTION/$PACKAGE_COMPONENT/upload"
upload_response_file="$(mktemp)"

urlencode() {
  local input="$1"
  local length="${#input}"
  local index char encoded=""

  for ((index = 0; index < length; index++)); do
    char="${input:index:1}"
    case "$char" in
      [a-zA-Z0-9._~-]) encoded+="$char" ;;
      *)
        printf -v char '%%%02X' "'$char"
        encoded+="$char"
        ;;
    esac
  done

  printf '%s\n' "$encoded"
}

upload_package() {
  curl \
    --silent \
    --show-error \
    --output "$upload_response_file" \
    --write-out '%{http_code}' \
    --user "$username:$GITEA_PACKAGE_TOKEN" \
    --upload-file "$PACKAGE_FILE" \
    "$upload_url"
}

log "Uploading ${PACKAGE_FILE##*/} to $upload_url"
status_code="$(upload_package)"

if [[ "$status_code" == "409" ]]; then
  delete_url="$base_url/api/packages/$owner/debian/pool/$PACKAGE_DISTRIBUTION/$PACKAGE_COMPONENT/$(urlencode "$PACKAGE_NAME")/$(urlencode "$PACKAGE_VERSION")/$(urlencode "$PACKAGE_ARCHITECTURE")"

  log "Package already exists, deleting current $PACKAGE_NAME/$PACKAGE_VERSION/$PACKAGE_ARCHITECTURE before retry"
  delete_status="$(
    curl \
      --silent \
      --show-error \
      --output "$upload_response_file" \
      --write-out '%{http_code}' \
      --user "$username:$GITEA_PACKAGE_TOKEN" \
      --request DELETE \
      "$delete_url"
  )"

  if [[ "$delete_status" != "204" ]]; then
    cat "$upload_response_file" >&2
    die "Package delete failed with HTTP $delete_status"
  fi

  status_code="$(upload_package)"
fi

if [[ "$status_code" != "201" ]]; then
  cat "$upload_response_file" >&2
  die "Package upload failed with HTTP $status_code"
fi

rm -f "$upload_response_file"

log "Upload finished"