#!/usr/bin/env bash
set -euo pipefail

GITEA_BASE_URL="${GITEA_BASE_URL:-https://gitea.solucaoti.net.br}"
GITEA_USER="${GITEA_USER:-rogeriolima}"
PACKAGE_OWNER="${PACKAGE_OWNER:-$GITEA_USER}"
PACKAGE_NAME="${PACKAGE_NAME:-restoredb}"
BINARY_NAME="${BINARY_NAME:-restoredb}"
BUILD=1
DRY_RUN=0
VERSION=""

usage() {
  cat <<'EOF'
Publica o executavel release no Generic Package Registry do Gitea.

Uso:
  GITEA_TOKEN=token scripts/publish-gitea-package.sh [opcoes]

Opcoes:
  --version VERSION  Versao do pacote. Padrao: versao do Cargo.toml.
  --no-build         Nao executa cargo build --release antes de empacotar.
  --dry-run          Mostra os comandos principais sem enviar o pacote.
  -h, --help         Mostra esta ajuda.

Variaveis:
  GITEA_BASE_URL     Padrao: https://gitea.solucaoti.net.br
  GITEA_USER         Padrao: rogeriolima
  GITEA_TOKEN        Token com permissao para publicar pacotes.
  PACKAGE_OWNER      Padrao: igual a GITEA_USER
  PACKAGE_NAME       Padrao: restoredb
  BINARY_NAME        Padrao: restoredb
EOF
}

while [[ $# -gt 0 ]]; do
  case "$1" in
    --version)
      VERSION="${2:-}"
      if [[ -z "$VERSION" ]]; then
        echo "Erro: --version exige um valor." >&2
        exit 2
      fi
      shift 2
      ;;
    --no-build)
      BUILD=0
      shift
      ;;
    --dry-run)
      DRY_RUN=1
      shift
      ;;
    -h|--help)
      usage
      exit 0
      ;;
    *)
      echo "Erro: opcao desconhecida: $1" >&2
      usage >&2
      exit 2
      ;;
  esac
done

require_cmd() {
  if ! command -v "$1" >/dev/null 2>&1; then
    echo "Erro: comando obrigatorio nao encontrado: $1" >&2
    exit 1
  fi
}

require_cmd cargo
require_cmd curl
require_cmd tar
require_cmd rustc

if [[ -z "$VERSION" ]]; then
  VERSION="$(cargo metadata --no-deps --format-version 1 | sed -n 's/.*"version":"\([^"]*\)".*/\1/p' | head -n 1)"
fi

if [[ -z "$VERSION" ]]; then
  echo "Erro: nao foi possivel descobrir a versao do Cargo.toml." >&2
  exit 1
fi

if [[ "$DRY_RUN" -eq 0 && -z "${GITEA_TOKEN:-}" ]]; then
  echo "Erro: defina GITEA_TOKEN com um token do Gitea para publicar." >&2
  exit 1
fi

HOST_TRIPLE="$(rustc -vV | sed -n 's/^host: //p')"
DIST_DIR="dist"
PACKAGE_FILE="${BINARY_NAME}-${HOST_TRIPLE}.tar.gz"
PACKAGE_PATH="${DIST_DIR}/${PACKAGE_FILE}"
UPLOAD_URL="${GITEA_BASE_URL%/}/api/packages/${PACKAGE_OWNER}/generic/${PACKAGE_NAME}/${VERSION}/${PACKAGE_FILE}"

if [[ "$BUILD" -eq 1 ]]; then
  echo "Compilando release..."
  cargo build --release
fi

if [[ ! -x "target/release/${BINARY_NAME}" ]]; then
  echo "Erro: binario nao encontrado ou nao executavel: target/release/${BINARY_NAME}" >&2
  exit 1
fi

mkdir -p "$DIST_DIR"
tar -C target/release -czf "$PACKAGE_PATH" "$BINARY_NAME"

echo "Pacote: $PACKAGE_PATH"
echo "URL: $UPLOAD_URL"

if [[ "$DRY_RUN" -eq 1 ]]; then
  echo "Dry-run: upload nao executado."
  exit 0
fi

curl --fail --show-error \
  -u "${GITEA_USER}:${GITEA_TOKEN}" \
  --upload-file "$PACKAGE_PATH" \
  "$UPLOAD_URL"

echo
echo "Publicado: $UPLOAD_URL"