#!/usr/bin/env bash

# ============================================================
# Lobby Systems - Gitea Release Script
# Linux / macOS
# ============================================================

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$SCRIPT_DIR" || exit 1

GITEA_BASE_URL="${GITEA_BASE_URL:-https://git.darto.id}"
GITEA_OWNER="${GITEA_OWNER:-dartokloning}"
GITEA_REPO="${GITEA_REPO:-lobby-systems}"
GRADLE_PROPERTIES="$SCRIPT_DIR/gradle.properties"

info() { echo "[INFO] $1"; }
ok() { echo "[OK] $1"; }
warn() { echo "[WARN] $1"; }
error() { echo "[ERROR] $1"; }
separator() { echo "============================================"; }
read_property() { grep -E "^${1}=" "$GRADLE_PROPERTIES" | head -n 1 | cut -d'=' -f2- | tr -d '\r'; }

MOD_VERSION="$(read_property mod_version)"
MINECRAFT_VERSION="$(read_property minecraft_version)"
TAG="v$MOD_VERSION"
JAR_PATH="$SCRIPT_DIR/build/libs/lobby-systems-$MOD_VERSION.jar"
JAR_NAME="lobby-systems-$MOD_VERSION.jar"

separator
echo " Lobby Systems - Release $TAG"
echo " Minecraft: $MINECRAFT_VERSION"
echo " Gitea: $GITEA_BASE_URL/$GITEA_OWNER/$GITEA_REPO"
separator

echo
info "Menjalankan build terlebih dahulu..."
"$SCRIPT_DIR/compile.sh" --build-only
BUILD_RESULT=$?

if [[ $BUILD_RESULT -ne 0 ]]; then
    error "Release dibatalkan karena build gagal."
    exit "$BUILD_RESULT"
fi

if [[ ! -f "$JAR_PATH" ]]; then
    error "JAR release tidak ditemukan: $JAR_PATH"
    exit 1
fi

if ! command -v git >/dev/null 2>&1; then
    error "Git tidak ditemukan di PATH."
    exit 1
fi

if ! command -v curl >/dev/null 2>&1; then
    error "curl tidak ditemukan di PATH."
    exit 1
fi

if ! git rev-parse --is-inside-work-tree >/dev/null 2>&1; then
    error "Folder ini bukan Git repository."
    exit 1
fi

CURRENT_BRANCH="$(git branch --show-current)"
if [[ -z "$CURRENT_BRANCH" ]]; then
    error "Tidak dapat menentukan branch Git aktif."
    exit 1
fi

if ! git remote get-url origin >/dev/null 2>&1; then
    error "Remote 'origin' belum dikonfigurasi."
    exit 1
fi

echo
separator
echo " Git Release Preparation"
separator

CHANGES="$(git status --porcelain)"
if [[ -n "$CHANGES" ]]; then
    echo
    echo "Perubahan source belum di-commit:"
    git status --short
    echo
    read -r -p "Commit dan push perubahan sebelum membuat release? [Y/N]: " SYNC_CONFIRM
    case "$SYNC_CONFIRM" in
        y|Y|yes|YES|Yes) ;;
        *)
            warn "Release dibatalkan. Source harus bersih agar tag sesuai dengan build."
            exit 0
            ;;
    esac

    read -r -p "Commit message [Prepare Lobby Systems $TAG release]: " COMMIT_MESSAGE
    [[ -z "$COMMIT_MESSAGE" ]] && COMMIT_MESSAGE="Prepare Lobby Systems $TAG release"

    git add -A || exit 2
    git commit -m "$COMMIT_MESSAGE" || exit 2
fi

info "Push branch $CURRENT_BRANCH ke origin..."
if ! git push origin "$CURRENT_BRANCH"; then
    error "Push branch gagal. Release dibatalkan."
    exit 2
fi

HEAD_COMMIT="$(git rev-parse HEAD)"

if git rev-parse "$TAG" >/dev/null 2>&1; then
    TAG_COMMIT="$(git rev-list -n 1 "$TAG")"
    if [[ "$TAG_COMMIT" != "$HEAD_COMMIT" ]]; then
        error "Tag $TAG sudah ada tetapi menunjuk commit lain."
        echo "Tag : $TAG_COMMIT"
        echo "HEAD: $HEAD_COMMIT"
        echo "Naikkan mod_version sebelum membuat release baru."
        exit 2
    fi
    info "Tag lokal $TAG sudah ada pada commit saat ini."
else
    info "Membuat tag $TAG..."
    git tag -a "$TAG" -m "Lobby Systems $TAG" || exit 2
fi

if git ls-remote --exit-code --tags origin "refs/tags/$TAG" >/dev/null 2>&1; then
    info "Tag $TAG sudah ada di origin."
else
    info "Push tag $TAG ke origin..."
    git push origin "$TAG" || exit 2
fi

echo
separator
echo " Gitea Release"
separator

read -r -p "Buat Release $TAG dan upload $JAR_NAME? [Y/N]: " RELEASE_CONFIRM
case "$RELEASE_CONFIRM" in
    y|Y|yes|YES|Yes) ;;
    *)
        info "Pembuatan Gitea Release dilewati. Tag $TAG tetap sudah tersimpan."
        exit 0
        ;;
esac

if [[ -z "${GITEA_TOKEN:-}" ]]; then
    echo
    read -r -s -p "Gitea Personal Access Token: " GITEA_TOKEN
    echo
fi

if [[ -z "$GITEA_TOKEN" ]]; then
    error "Token Gitea kosong."
    exit 2
fi

API_BASE="$GITEA_BASE_URL/api/v1/repos/$GITEA_OWNER/$GITEA_REPO"
TMP_DIR="$(mktemp -d)"
trap 'rm -rf "$TMP_DIR"' EXIT
RELEASE_JSON="$TMP_DIR/release.json"
CREATE_JSON="$TMP_DIR/create.json"
ASSET_JSON="$TMP_DIR/asset.json"

info "Memeriksa apakah Release $TAG sudah ada..."
HTTP_CODE="$(curl -sS -o "$RELEASE_JSON" -w '%{http_code}' \
    -H "Authorization: token $GITEA_TOKEN" \
    "$API_BASE/releases/tags/$TAG")"

if [[ "$HTTP_CODE" == "200" ]]; then
    info "Release $TAG sudah ada. Akan menggunakan release tersebut."
elif [[ "$HTTP_CODE" == "404" ]]; then
    cat > "$CREATE_JSON" <<JSON
{
  "tag_name": "$TAG",
  "target_commitish": "$CURRENT_BRANCH",
  "name": "Lobby Systems $TAG",
  "body": "Lobby Systems $TAG untuk Minecraft $MINECRAFT_VERSION.",
  "draft": false,
  "prerelease": false
}
JSON

    info "Membuat Release $TAG di Gitea..."
    HTTP_CODE="$(curl -sS -o "$RELEASE_JSON" -w '%{http_code}' \
        -X POST \
        -H "Authorization: token $GITEA_TOKEN" \
        -H "Content-Type: application/json" \
        --data-binary "@$CREATE_JSON" \
        "$API_BASE/releases")"

    if [[ "$HTTP_CODE" != "201" ]]; then
        error "Gitea gagal membuat release. HTTP $HTTP_CODE"
        cat "$RELEASE_JSON"
        exit 2
    fi
else
    error "Gagal memeriksa release. HTTP $HTTP_CODE"
    cat "$RELEASE_JSON"
    exit 2
fi

RELEASE_ID="$(grep -oE '"id"[[:space:]]*:[[:space:]]*[0-9]+' "$RELEASE_JSON" | head -n 1 | grep -oE '[0-9]+')"

if [[ -z "$RELEASE_ID" ]]; then
    error "Tidak dapat membaca release ID dari response Gitea."
    cat "$RELEASE_JSON"
    exit 2
fi

info "Release ID: $RELEASE_ID"
info "Mengupload $JAR_NAME..."

ASSET_CODE="$(curl -sS -o "$ASSET_JSON" -w '%{http_code}' \
    -X POST \
    -H "Authorization: token $GITEA_TOKEN" \
    -F "attachment=@$JAR_PATH" \
    "$API_BASE/releases/$RELEASE_ID/assets?name=$JAR_NAME")"

if [[ "$ASSET_CODE" == "201" ]]; then
    echo
    ok "Release $TAG berhasil dibuat dan JAR berhasil diupload."
elif [[ "$ASSET_CODE" == "409" ]]; then
    echo
    warn "Release sudah ada dan asset $JAR_NAME tampaknya sudah terupload."
else
    error "Upload JAR gagal. HTTP $ASSET_CODE"
    cat "$ASSET_JSON"
    exit 2
fi

echo
separator
echo " RELEASE SUCCESS"
echo " Tag: $TAG"
echo " Asset: $JAR_NAME"
separator