#!/usr/bin/env bash
# visionA-local — Ubuntu 22.04/24.04 x86_64 一鍵 build
#
# 使用方式：
#   git clone https://github.com/jim800121/visionA.git
#   cd visionA/local-tool
#   bash scripts/bootstrap-linux.sh
#
# 環境變數：
#   VISIONA_TARGET   預設 appimage，可設 wails-linux / payload-linux

set -euo pipefail

TARGET="${VISIONA_TARGET:-appimage}"
GO_VERSION="1.22.5"

log() { printf '\033[1;36m==> %s\033[0m\n' "$*"; }
err() { printf '\033[1;31m!!! %s\033[0m\n' "$*" >&2; exit 1; }

[[ "$(uname -s)" == "Linux" ]] || err "此腳本只支援 Linux"
[[ "$(uname -m)" == "x86_64" ]] || err "此腳本只支援 x86_64"
[[ -f Makefile && -d visiona-local ]] || err "請先 cd 到 local-tool/ 目錄再執行此腳本"

log "[1/5] 安裝系統套件（需要 sudo）"
sudo apt update
sudo apt install -y \
    git curl ca-certificates build-essential pkg-config \
    libgtk-3-dev \
    python3 python3-pip python3-venv \
    file desktop-file-utils fuse libfuse2

# webkit2gtk：優先 4.1（Ubuntu 22.10+ / Debian 12+），退回 4.0（Ubuntu 20.04 / 22.04）。
# Makefile wails-linux target 會偵測已安裝的版本並自動加 -tags webkit2_41。
if apt-cache show libwebkit2gtk-4.1-dev >/dev/null 2>&1; then
    log "  → 偵測到 libwebkit2gtk-4.1-dev 可用，安裝中"
    sudo apt install -y libwebkit2gtk-4.1-dev
elif apt-cache show libwebkit2gtk-4.0-dev >/dev/null 2>&1; then
    log "  → 偵測到 libwebkit2gtk-4.0-dev 可用，安裝中"
    sudo apt install -y libwebkit2gtk-4.0-dev
else
    err "找不到 libwebkit2gtk-4.1-dev 或 libwebkit2gtk-4.0-dev。請手動安裝對應的 webkit2gtk dev package（Ubuntu: sudo apt install libwebkit2gtk-4.1-dev）"
fi

log "[2/5] 安裝 Go $GO_VERSION"
if ! command -v go >/dev/null || [[ "$(go version 2>/dev/null)" != *"go$GO_VERSION"* ]]; then
    curl -fsSL "https://go.dev/dl/go${GO_VERSION}.linux-amd64.tar.gz" -o /tmp/go.tar.gz
    sudo rm -rf /usr/local/go
    sudo tar -C /usr/local -xzf /tmp/go.tar.gz
    rm /tmp/go.tar.gz
fi
export PATH="/usr/local/go/bin:$HOME/go/bin:$PATH"
if ! grep -q '/usr/local/go/bin' "$HOME/.bashrc" 2>/dev/null; then
    echo 'export PATH=/usr/local/go/bin:$HOME/go/bin:$PATH' >> "$HOME/.bashrc"
fi

log "[3/5] 安裝 Node 20 + pnpm"
if ! command -v node >/dev/null || [[ "$(node -v)" != v20.* ]]; then
    curl -fsSL https://deb.nodesource.com/setup_20.x | sudo -E bash -
    sudo apt install -y nodejs
fi
command -v pnpm >/dev/null || sudo npm i -g pnpm

log "[4/6] 安裝 Wails CLI"
if ! command -v wails >/dev/null; then
    go install github.com/wailsapp/wails/v2/cmd/wails@latest
fi
wails doctor || log "wails doctor 有警告，繼續"

log "[5/6] 安裝 appimagetool（打包 AppImage 用）"
# appimagetool 只在 target=appimage 時才真的需要，但一併裝起來省事。
# 官方 release 就是一個 self-contained AppImage，下載後 chmod +x 即可用。
if ! command -v appimagetool >/dev/null; then
    APPIMAGETOOL_URL="https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-x86_64.AppImage"
    log "  → 下載 appimagetool from $APPIMAGETOOL_URL"
    curl -fsSL "$APPIMAGETOOL_URL" -o /tmp/appimagetool
    chmod +x /tmp/appimagetool
    sudo mv /tmp/appimagetool /usr/local/bin/appimagetool
    log "  → 已安裝到 /usr/local/bin/appimagetool"
else
    log "  → appimagetool 已安裝，跳過"
fi

log "[6/6] 開始 build（target=$TARGET）"
log "ffmpeg 使用 LGPL v3 build（v2 TDD §4：BtbN n7.1 LGPL）"

make vendor-python-linux vendor-wheels-linux vendor-ffmpeg-linux
make payload-linux
case "$TARGET" in
    payload-linux) ;;
    wails-linux)   make wails-linux ;;
    appimage|*)    make wails-linux && make appimage ;;
esac

log "完成 ✅"
log "產出位置：$(pwd)/dist/"
ls -lh dist/ 2>/dev/null || true