# 构建 mfd-monitor-agent 单二进制产物（Windows 目标）。
#
# 环境变量：
#   OUT_DIR          输出目录，默认 <仓库根>\dist
#   VERSION          写入二进制的版本号，默认 0.1.0（通过 -ldflags -X main.version）
#   GOOS_TARGET      目标 GOOS，默认 windows
#   GOARCH_TARGET    目标 GOARCH，默认 amd64
#   OUTPUT_NAME      输出文件名，默认 agent-<GOOS>-<GOARCH>.exe
#   CGO_ENABLED      是否启用 CGO，默认 0
#
$ErrorActionPreference = "Stop"

$RootDir = Resolve-Path (Join-Path $PSScriptRoot "..")
$OutDir = if ($env:OUT_DIR) { $env:OUT_DIR } else { Join-Path $RootDir "dist" }
$Version = if ($env:VERSION) { $env:VERSION } else { "0.1.0" }
$GoosTarget = if ($env:GOOS_TARGET) { $env:GOOS_TARGET } else { "windows" }
$GoarchTarget = if ($env:GOARCH_TARGET) { $env:GOARCH_TARGET } else { "amd64" }
$OutputName = if ($env:OUTPUT_NAME) { $env:OUTPUT_NAME } else { "agent-$GoosTarget-$GoarchTarget.exe" }

New-Item -ItemType Directory -Force -Path $OutDir | Out-Null

$env:CGO_ENABLED = if ($env:CGO_ENABLED) { $env:CGO_ENABLED } else { "0" }
$env:GOOS = $GoosTarget
$env:GOARCH = $GoarchTarget

go build `
  -trimpath `
  -ldflags "-s -w -X main.version=$Version" `
  -o (Join-Path $OutDir $OutputName) `
  ./cmd/agent

Write-Host "built $(Join-Path $OutDir $OutputName)"