# 年糕历险记 构建脚本（Windows）
# 用法：pwsh -File scripts/build.ps1 [-Release]
# 自动定位 C 工具链（tools/ 下的 zig 或 mingw64/w64devkit），构建 GL 客户端与服务器。
param([switch]$Release)

$ErrorActionPreference = "Stop"
$root = Split-Path $PSScriptRoot -Parent
$tools = Join-Path $root "tools"

# 定位 C 编译器（GLFW 需要 CGO）：优先 zig（zig cc），其次 mingw64/w64devkit 的 gcc
$cc = $null
$zig = Get-ChildItem $tools -Recurse -Filter zig.exe -ErrorAction SilentlyContinue | Select-Object -First 1
if ($zig) {
    $cc = "$($zig.FullName) cc"
    Write-Host "== 使用 zig 作为 C 编译器: $($zig.FullName) =="
} else {
    $gcc = Get-ChildItem $tools -Recurse -Filter gcc.exe -ErrorAction SilentlyContinue | Select-Object -First 1
    if ($gcc) {
        $cc = $gcc.FullName
        $env:Path = "$(Split-Path $gcc.FullName);$env:Path"
        Write-Host "== 使用 gcc: $($gcc.FullName) =="
    } else {
        Write-Host "== 未找到 C 工具链：请把 zig（或 MinGW）放到 tools/ 后重试。"
        Write-Host "   下载：https://ziglang.org/download/（zig-x86_64-windows-*.zip）"
        Write-Host "   或：  https://github.com/brechtsanders/winlibs_mingw/releases（winlibs zip）"
        exit 1
    }
}
$env:CC = $cc
$env:CGO_ENABLED = "1"

# 双击 bat 时 Explorer 的 PATH 可能没有 go；按常见位置补上
if (-not (Get-Command go -ErrorAction SilentlyContinue)) {
    $goExe = $null
    $exact = @()
    if ($env:GOROOT) { $exact += (Join-Path $env:GOROOT "bin\go.exe") }
    $exact += "C:\Program Files\Go\bin\go.exe"
    foreach ($p in $exact) {
        if (Test-Path -LiteralPath $p) { $goExe = $p; break }
    }
    if (-not $goExe) {
        $globs = @(
            (Join-Path $env:USERPROFILE "sdk\go*\bin\go.exe"),
            "D:\*\sdk\go*\bin\go.exe"
        )
        $hit = Get-ChildItem -Path $globs -ErrorAction SilentlyContinue | Select-Object -First 1
        if ($hit) { $goExe = $hit.FullName }
    }
    if ($goExe) {
        $env:Path = "$(Split-Path $goExe);$env:Path"
        Write-Host "== 使用 go: $goExe =="
    } else {
        Write-Host "== 未找到 go：请安装 Go 或把 go.exe 加入 PATH。"
        exit 1
    }
}

$tags = "gl"
if (-not $Release) { $tags = "$tags dev" }

Push-Location $root
try {
    New-Item -ItemType Directory -Force -Path bin | Out-Null
    # exe 图标（原版素材 logo）：缺失时自动生成 .syso（make_icon.ps1）
    if (-not (Test-Path (Join-Path $root "cmd\client\icon.syso"))) {
        & (Join-Path $PSScriptRoot "make_icon.ps1")
        if ($LASTEXITCODE -ne 0) { throw "图标生成失败（make_icon.ps1）" }
    }
    go build -tags $tags -trimpath -ldflags "-s -w -H windowsgui" -o bin/mc-client.exe ./cmd/client
    go build -trimpath -ldflags "-s -w" -o bin/mc-server.exe ./cmd/server

    # 资源入 bin/（可执行文件目录解析：双击/快捷方式运行无需依赖工作目录）
    Copy-Item (Join-Path $root "config") (Join-Path $root "bin") -Recurse -Force
    Copy-Item (Join-Path $root "assets") (Join-Path $root "bin") -Recurse -Force
    Copy-Item (Join-Path $root "mods") (Join-Path $root "bin") -Recurse -Force
    Copy-Item (Join-Path $root "resourcepacks") (Join-Path $root "bin") -Recurse -Force
} finally {
    Pop-Location
}
Write-Host "== 构建完成：bin/mc-client.exe bin/mc-server.exe（含资源） =="