王明 / Food-Labeling-Management-Platform

  /**
   * Android NativeTemplateCommandBuilder 仅处理：TEXT_*、QRCODE、BARCODE、IMAGE、
   * 以及 border=line 的 BLANK；其余类型在原生路径下会被静默跳过（与画布预览不一致）。
   */

  import type {
    LabelTemplateData,
    SystemLabelTemplate,
    SystemTemplateElementBase,
  } from './types/printer'

  import { formatBarcodeValueForTsc, normalizeBarcodeType } from '../barcodeFormat'

  import { applyTemplateData } from './templateRenderer'

  import { resolveElementDateTimeDisplay } from '../labelPreview/printInputOffset'

  
  function isElementHandledByNativeFastPrinter (el: SystemTemplateElementBase): boolean {
    const type = String(el.type || '').toUpperCase()
    if (type.startsWith('TEXT_')) return true

    if (type === 'NUTRITION') return true

    if (type === 'QRCODE' || type === 'IMAGE') return true
    if (type === 'BARCODE') return true

    if (type === 'BLANK') return true
    return false
  }
  

  /** 原生营养表：严格使用模板 height，打印时再按 dpi 缩放；勿在 JS 侧抬高 height 以免压住下方 DATE */
  function prepareNutritionElementForNativePrint (el: SystemTemplateElementBase): SystemTemplateElementBase {
    const cfg = { ...(el.config || {}) } as Record<string, unknown>
    const x = Math.max(0, Number(el.x) || 0)
    const y = Math.max(0, Number(el.y) || 0)
    const w = Math.max(40, Number(el.width) || 0)
    const h = Math.max(40, Number(el.height) || 72)
    cfg.nativePrintHeight = h
    cfg.NativePrintHeight = h
    cfg.nativePadLeft = Number(cfg.nativePadLeft ?? 2)
    cfg.nativePadRight = Number(cfg.nativePadRight ?? 4)
    cfg.nutritionTitleBold = false
    cfg.nutritionBodyBold = false
    return {
      ...el,
      x,
      y,
      width: w,
      height: h,
      config: cfg,
    }
  }
  
  /** 原生打印按 dpi 放大营养表后，保证 DATE/TIME/BARCODE 在营养表底边之下（与预览留白一致） */
  function resolveNativeLayoutCollisions (
    elements: SystemTemplateElementBase[],
  ): SystemTemplateElementBase[] {
    const nutrition = elements.find((el) => String(el.type || '').toUpperCase() === 'NUTRITION')
    if (!nutrition) return elements
    const nutY = Number(nutrition.y) || 0
    const nutH = Number(nutrition.height) || 0
    /** 设计 px 最小间距；预览里常见 8–12px */
    const minGapPx = 10
    const reservedBottom = nutY + nutH + minGapPx
    return elements.map((el) => {
      if (el.id === nutrition.id) return el
      const y = Number(el.y) || 0
      if (y < reservedBottom && y >= nutY - 1) {
        return { ...el, y: reservedBottom }
      }
      return el
    })
  }
  
  function prepareBarcodeElementForNativePrint (el: SystemTemplateElementBase): SystemTemplateElementBase {
    const cfg = { ...(el.config || {}) } as Record<string, unknown>
    const barcodeType = normalizeBarcodeType(cfg.barcodeType ?? cfg.BarcodeType)
    const raw = String(
      cfg.data ?? cfg.Data ?? cfg.value ?? cfg.Value ?? cfg.barcodeData ?? cfg.BarcodeData ?? ''
    ).trim()
    const data = formatBarcodeValueForTsc(raw, barcodeType)
    /** 人读数字与预览一致（1234），编码串（A1234B）仅给原生画条用 */
    cfg.barcodeDisplayText = raw
    cfg.BarcodeDisplayText = raw
    if (data) {
      cfg.data = data
      cfg.Data = data
      cfg.value = data
      cfg.Value = data
    }
    /** CODABAR 在 Virtual BT / 佳博上 TSC BARCODE 易失败，改走与预览一致的位图条 */
    if (barcodeType === 'CODABAR') {
      cfg.nativeBarcodeBitmap = true
      cfg.NativeBarcodeBitmap = true
    }
    return { ...el, config: cfg }
  }
  

  /**
   * 将 WEIGHT / DATE / TIME / DURATION 转为 TEXT_STATIC（展示文案与合并后的 config.text 一致），
   * LOGO → IMAGE，使同一套模板可走 native printTemplate，避免仅因元素类型名而整页光栅（进度长期停在 ~12–14%）。
   */
  export function normalizeTemplateForNativeFastJob (
    template: SystemLabelTemplate,
    data: LabelTemplateData
  ): SystemLabelTemplate {

    const now = new Date()

    const extras: SystemTemplateElementBase[] = []

    const elements = (template.elements || []).map((el) => {
      const type = String(el.type || '').toUpperCase()
      const config = (el.config || {}) as Record<string, any>
      if (type === 'LOGO') {
        return { ...el, type: 'IMAGE' as typeof el.type }
      }
      if (type === 'WEIGHT' || type === 'DATE' || type === 'TIME' || type === 'DURATION') {
        let text = ''

        if (type === 'DATE' || type === 'TIME' || type === 'DURATION') {
          const live = resolveElementDateTimeDisplay(el, now)
          if (live != null && live.trim()) {
            text = applyTemplateData(live, data)

          }

        } else if (type === 'WEIGHT') {

          let raw = String(config.text ?? config.Text ?? '').trim()

          if (!raw) raw = String(config.value ?? config.Value ?? '').trim()
          if (raw) text = applyTemplateData(raw, data)
        }
  
        if (!text && type === 'WEIGHT') {

          const v = String(config.value ?? config.Value ?? '')
          const u = String(config.unit ?? config.Unit ?? '')
          if (v && u && !v.endsWith(u)) text = `${v}${u}`
          else text = v || u
        }
        return {
          ...el,
          type: 'TEXT_STATIC' as typeof el.type,

          config: { ...config, text, nativeSourceType: type },

        }
      }

      if (type === 'NUTRITION') {
        return prepareNutritionElementForNativePrint(el)
      }
      if (type === 'BARCODE') {
        const prepared = prepareBarcodeElementForNativePrint(el)
        const pcfg = { ...(prepared.config || {}) } as Record<string, unknown>
        const human = String(pcfg.barcodeDisplayText ?? pcfg.BarcodeDisplayText ?? '').trim()
        const showHuman = String(pcfg.showText ?? pcfg.ShowText ?? 'true').toLowerCase() !== 'false'
        if (human && showHuman) {
          pcfg.showText = false
          pcfg.ShowText = false
          extras.push({
            id: `${String(prepared.id || 'barcode')}_label`,
            type: 'TEXT_STATIC',
            x: Number(prepared.x) || 0,
            y: (Number(prepared.y) || 0) + (Number(prepared.height) || 40) + 6,
            width: Number(prepared.width) || 140,
            height: 20,
            rotation: prepared.rotation ?? 'horizontal',
            border: 'none',
            config: {
              text: human,
              fontSize: 12,
              textAlign: 'center',
              TextAlign: 'center',
              forceRasterText: true,
            },
          } as SystemTemplateElementBase)
        }
        return { ...prepared, config: pcfg }
      }

      return el
    })

    const merged = resolveNativeLayoutCollisions([...elements, ...extras])
    return { ...template, elements: merged }

  }
  

  /** 存在任一原生不支持的元素时，预览打印应走光栅，避免「成功但缺内容/不出纸」与画布不一致 */
  export function templateHasUnsupportedNativeFastElements (template: SystemLabelTemplate): boolean {
    for (const el of template.elements || []) {
      if (!isElementHandledByNativeFastPrinter(el)) return true
    }
    return false
  }