import fs from 'node:fs'
import path from 'node:path'
import { fileURLToPath } from 'node:url'

import { validateAssetBuildManifest } from './asset-build-manifest.mjs'
import { resolvePythonExecutable, runPythonCommand } from './python-runtime.mjs'

const scriptDirectory = path.dirname(fileURLToPath(import.meta.url))
const pipelineDirectory = path.resolve(scriptDirectory, '..')
const workspace = path.resolve(pipelineDirectory, '..')
const argument = process.argv[2]
if (!argument) throw new Error('用法：node build-raster-assets.mjs <仓库相对清单路径>')

// 清单参数本身也必须留在工作区；source/output 的边界由 schema validator 逐项负责。
const manifestPath = path.resolve(workspace, argument)
const relativeManifest = path.relative(workspace, manifestPath)
if (relativeManifest.startsWith('..') || path.isAbsolute(relativeManifest)) {
  throw new Error(`构建清单越出工作区：${argument}`)
}

const manifest = JSON.parse(fs.readFileSync(manifestPath, 'utf8'))
validateAssetBuildManifest(manifest, workspace)
const supportedModes = new Set(['opaque-resize', 'opaque-cover-crop', 'warm-gold-frame-extract'])
for (const asset of manifest.assets) {
  if (!supportedModes.has(asset.processing.mode)) {
    throw new Error(`通用 raster 构建器不支持模式：${asset.processing.mode}`)
  }
}

const python = resolvePythonExecutable({ pipelineDirectory })
const reportPath = path.join(pipelineDirectory, 'generated', manifest.family, 'quality-report.json')

// Node 只编排严格 schema、锁定的 Python 入口和质量报告；像素算法只存在于 Python。
runPythonCommand({
  executable: python,
  args: [path.join(scriptDirectory, 'build_raster_assets.py'), manifestPath, '--workspace', workspace],
  cwd: workspace,
})
runPythonCommand({
  executable: python,
  args: [path.join(scriptDirectory, 'verify-assets.py'), manifestPath, '--workspace', workspace, '--report', reportPath],
  cwd: workspace,
})