/**
 * 从根目录 pages.json 重写各端微信小程序 app.json，并清理已删除组件残留（如 GlobalNoticePush）。
 * 解决：主包 app.json 被错误合并为仅有 usingComponents、pages 为空（微信报错）。
 *
 * 手动：node scripts/fix-mp-app-json.cjs
 * 或：npm run mp:fix-app-json
 * 编译时：由 vue.config.js 在构建完成后自动执行（若 HBuilderX 走 vue-cli 则生效）。
 */
const fs = require('fs')
const path = require('path')

const root = path.join(__dirname, '..')
const sourceVue = path.join(root, 'common/components/GlobalNoticePush.vue')

function walkRemoveGhost(dir) {
	if (!fs.existsSync(dir)) return
	const names = fs.readdirSync(dir, { withFileTypes: true })
	for (const n of names) {
		const p = path.join(dir, n.name)
		if (n.isDirectory()) {
			walkRemoveGhost(p)
		} else if (/GlobalNoticePush\./.test(n.name)) {
			try {
				fs.unlinkSync(p)
				console.log('[fix-mp] 删除残留:', path.relative(root, p))
			} catch (e) {}
		}
	}
}

function removeGhostGlobalNotice() {
	if (fs.existsSync(sourceVue)) return
	// 源码已无该组件，删除 dist 里旧产物，避免合并器再次引用
	const candidates = [
		path.join(root, 'unpackage/dist/dev/mp-weixin/common/components'),
		path.join(root, 'unpackage/dist/build/mp-weixin/common/components'),
	]
	for (const c of candidates) {
		walkRemoveGhost(c)
	}
	// 旧 sourcemap
	const sm = path.join(root, 'unpackage/dist/dev/.sourcemap/mp-weixin/common/components')
	walkRemoveGhost(sm)
}

function buildPayload() {
	const pj = JSON.parse(fs.readFileSync(path.join(root, 'pages.json'), 'utf8'))
	const gs = pj.globalStyle || {}
	const window = {
		navigationBarTextStyle: gs.navigationBarTextStyle || 'black',
		navigationBarTitleText: gs.navigationBarTitleText || '',
		navigationBarBackgroundColor: gs.navigationBarBackgroundColor || '#F8F8F8',
		backgroundColor: gs.backgroundColor || '#F8F8F8',
	}
	return {
		pages: pj.pages.map((p) => p.path),
		window,
		subPackages: (pj.subPackages || []).map((sp) => ({
			root: sp.root,
			pages: sp.pages.map((p) => p.path),
		})),
		style: 'v2',
	}
}

function writeAppJson(outPath, payload) {
	fs.mkdirSync(path.dirname(outPath), { recursive: true })
	fs.writeFileSync(outPath, JSON.stringify(payload, null, '\t'), 'utf8')
	console.log('[fix-mp] 已写入', path.relative(root, outPath))
}

function main() {
	removeGhostGlobalNotice()
	const payload = buildPayload()
	// 必写 dev（可 mkdir；首次编译后也能用）
	writeAppJson(path.join(root, 'unpackage/dist/dev/mp-weixin/app.json'), payload)
	const buildDir = path.join(root, 'unpackage/dist/build/mp-weixin')
	if (fs.existsSync(buildDir)) {
		writeAppJson(path.join(buildDir, 'app.json'), payload)
	}
}

try {
	main()
} catch (e) {
	console.error('[fix-mp] 失败:', e)
	process.exit(1)
}