#!/usr/bin/env bash
set -u
cd "$(dirname "${BASH_SOURCE[0]}")" || exit 1

GITEA_BASE_URL="${GITEA_BASE_URL:-https://git.darto.id}"
GITEA_OWNER="${GITEA_OWNER:-dartokloning}"
GITEA_REPO="${GITEA_REPO:-item-despawn-timer}"

prop() { sed -n "s/^$1=//p" gradle.properties | head -n1 | tr -d '\r'; }
info() { echo "[INFO] $1"; }
error() { echo "[ERROR] $1"; }

[[ -f gradle.properties ]] || { error "gradle.properties tidak ditemukan."; exit 1; }

MOD_VERSION="$(prop mod_version)"
MINECRAFT_VERSION="$(prop minecraft_version)"
ARCHIVES_BASE_NAME="$(prop archives_base_name)"
ARCHIVES_BASE_NAME="${ARCHIVES_BASE_NAME:-item-despawn-timer}"

[[ -n "$MOD_VERSION" && -n "$MINECRAFT_VERSION" ]] || {
    error "mod_version/minecraft_version tidak lengkap."; exit 1;
}

PROJECT_VERSION="${MOD_VERSION}+mc${MINECRAFT_VERSION}"
TAG="v${MOD_VERSION}"
JAR_NAME="${ARCHIVES_BASE_NAME}-${PROJECT_VERSION}.jar"
JAR_PATH="$PWD/build/libs/$JAR_NAME"

echo "============================================"
echo " Item Despawn Timer - Release $TAG"
echo " Mod version: $MOD_VERSION"
echo " Minecraft: $MINECRAFT_VERSION"
echo " Asset: $JAR_NAME"
echo " Gitea: $GITEA_BASE_URL/$GITEA_OWNER/$GITEA_REPO"
echo "============================================"
echo

[[ -f ./compiler.sh ]] || { error "compiler.sh tidak ditemukan."; exit 1; }
chmod +x ./compiler.sh
info "Menjalankan build release terlebih dahulu..."
./compiler.sh --build-only || { error "Release dibatalkan karena build gagal."; exit 1; }

[[ -f "$JAR_PATH" ]] || {
    error "JAR release tidak ditemukan: $JAR_PATH"
    ls -1 build/libs/*.jar 2>/dev/null || true
    exit 1
}

command -v git >/dev/null || { error "Git tidak ditemukan di PATH."; exit 1; }
command -v curl >/dev/null || { error "curl tidak ditemukan di PATH."; exit 1; }
git rev-parse --is-inside-work-tree >/dev/null 2>&1 || { error "Folder ini bukan Git repository."; exit 1; }

CURRENT_BRANCH="$(git branch --show-current)"
[[ -n "$CURRENT_BRANCH" ]] || { error "Tidak dapat menentukan branch Git aktif."; exit 1; }
git remote get-url origin >/dev/null 2>&1 || { error "Remote origin belum dikonfigurasi."; exit 1; }

echo
echo "============================================"
echo " Git Release Preparation"
echo "============================================"

if [[ -n "$(git status --porcelain)" ]]; then
    echo
    echo "Perubahan source belum di-commit:"
    git status --short
    echo
    read -r -p "Commit dan push perubahan sebelum membuat release? [Y/N]: " sync
    [[ "$sync" =~ ^[Yy]$ ]] || { echo "[WARN] Release dibatalkan. Source harus bersih."; exit 0; }

    default="Prepare Item Despawn Timer $TAG release"
    read -r -p "Commit message [$default]: " msg
    msg="${msg:-$default}"
    git add -A || exit 2
    git commit -m "$msg" || exit 2
fi

info "Push branch $CURRENT_BRANCH ke origin..."
git push origin "$CURRENT_BRANCH" || { error "Push branch gagal. Release dibatalkan."; exit 2; }

HEAD_COMMIT="$(git rev-parse HEAD)"
if git rev-parse "$TAG" >/dev/null 2>&1; then
    TAG_COMMIT="$(git rev-list -n 1 "$TAG")"
    [[ "$TAG_COMMIT" == "$HEAD_COMMIT" ]] || {
        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
    }
    info "Tag lokal $TAG sudah ada pada commit saat ini."
else
    info "Membuat tag $TAG..."
    git tag -a "$TAG" -m "Item Despawn Timer $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
echo "============================================"
echo " Gitea Release"
echo "============================================"
read -r -p "Buat Release $TAG dan upload $JAR_NAME? [Y/N]: " confirm
[[ "$confirm" =~ ^[Yy]$ ]] || {
    info "Pembuatan Gitea Release dilewati. Tag $TAG tetap sudah tersimpan."
    exit 0
}

if [[ -z "${GITEA_TOKEN:-}" ]]; then
    read -r -s -p "Gitea Personal Access Token: " GITEA_TOKEN
    echo
fi
[[ -n "$GITEA_TOKEN" ]] || { error "Token Gitea kosong."; exit 2; }

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"

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": "Item Despawn Timer $TAG",
  "body": "Item Despawn Timer $TAG untuk Minecraft $MINECRAFT_VERSION (Fabric).",
  "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" \
        "$API_BASE/releases")"
    [[ "$HTTP_CODE" == "201" ]] || {
        error "Gitea gagal membuat release. HTTP $HTTP_CODE"
        cat "$RELEASE_JSON"; exit 2;
    }
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 -n1 | grep -oE '[0-9]+')"
[[ -n "$RELEASE_ID" ]] || {
    error "Tidak dapat membaca release ID dari response Gitea."
    cat "$RELEASE_JSON"; exit 2;
}

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 "[SUCCESS] Release $TAG berhasil dibuat dan JAR berhasil diupload."
elif [[ "$ASSET_CODE" == "409" ]]; then
    echo "[WARN] Release sudah ada dan asset $JAR_NAME sudah tersedia."
else
    error "Upload JAR gagal. HTTP $ASSET_CODE"
    cat "$ASSET_JSON"; exit 2
fi

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