/**
 * Shared helpers for displaying component/machine structure skeleton details.
 *
 * Extracted from pages/component/create.vue and pages/component/[id]/edit.vue
 * where these functions were duplicated verbatim.
 */

// ---------------------------------------------------------------------------
// Structure accessors
// ---------------------------------------------------------------------------

type StructureLike = Record<string, any> | null

export const getStructureCustomFields = (structure: StructureLike): any[] => {
  return Array.isArray(structure?.customFields) ? structure.customFields : []
}

export const getStructurePieces = (structure: StructureLike): any[] => {
  return Array.isArray(structure?.pieces) ? structure.pieces : []
}

export const getStructureProducts = (structure: StructureLike): any[] => {
  return Array.isArray(structure?.products) ? structure.products : []
}

export const getStructureSubcomponents = (structure: StructureLike): any[] => {
  if (Array.isArray(structure?.subcomponents)) {
    return structure.subcomponents
  }
  const legacy = (structure as any)?.subComponents
  return Array.isArray(legacy) ? legacy : []
}

// ---------------------------------------------------------------------------
// Label resolvers
// ---------------------------------------------------------------------------

export const resolvePieceLabel = (
  piece: Record<string, any>,
  labelMap: Record<string, string> = {},
): string => {
  const parts: string[] = []
  if (piece.role) {
    parts.push(piece.role)
  }
  if (piece.typePiece?.name) {
    parts.push(piece.typePiece.name)
  } else if (piece.typePieceLabel) {
    parts.push(piece.typePieceLabel)
  } else if (piece.typePieceId && labelMap[piece.typePieceId]) {
    parts.push(labelMap[piece.typePieceId]!)
  } else if (piece.typePiece?.code) {
    parts.push(`Famille ${piece.typePiece.code}`)
  } else if (piece.familyCode) {
    parts.push(`Famille ${piece.familyCode}`)
  } else if (piece.typePieceId) {
    parts.push(`#${piece.typePieceId}`)
  }
  return parts.length ? parts.join(' • ') : 'Pièce'
}

export const resolveProductLabel = (
  product: Record<string, any>,
  labelMap: Record<string, string> = {},
): string => {
  const parts: string[] = []
  if (product.role) {
    parts.push(product.role)
  }
  if (product.typeProduct?.name) {
    parts.push(product.typeProduct.name)
  } else if (product.typeProductLabel) {
    parts.push(product.typeProductLabel)
  } else if (product.typeProductId && labelMap[product.typeProductId]) {
    parts.push(labelMap[product.typeProductId]!)
  } else if (product.typeProduct?.code) {
    parts.push(`Catégorie ${product.typeProduct.code}`)
  } else if (product.familyCode) {
    parts.push(`Catégorie ${product.familyCode}`)
  } else if (product.typeProductId) {
    parts.push(`#${product.typeProductId}`)
  }
  return parts.length ? parts.join(' • ') : 'Produit'
}

export const resolveSubcomponentLabel = (node: Record<string, any>): string => {
  const parts: string[] = []
  if (node.alias) {
    parts.push(node.alias)
  }
  if (node.typeComposant?.name) {
    parts.push(node.typeComposant.name)
  } else if (node.typeComposantLabel) {
    parts.push(node.typeComposantLabel)
  } else if (node.familyCode) {
    parts.push(node.familyCode)
  } else if (node.typeComposantId) {
    parts.push(`#${node.typeComposantId}`)
  }

  const childCount = Array.isArray(node.subcomponents)
    ? node.subcomponents.length
    : Array.isArray(node.subComponents)
      ? node.subComponents.length
      : 0
  if (childCount) {
    parts.push(`${childCount} sous-composant(s)`)
  }
  return parts.length ? parts.join(' • ') : 'Sous-composant'
}

// ---------------------------------------------------------------------------
// Generic model type name fetcher (replaces fetchPieceTypeNames / fetchProductTypeNames)
// ---------------------------------------------------------------------------

export const fetchModelTypeNames = async (
  ids: string[],
  existingMap: Record<string, string>,
  get: (url: string) => Promise<{ success?: boolean; data?: any }>,
): Promise<Record<string, string>> => {
  const missing = ids.filter((id) => id && !existingMap[id])
  if (!missing.length) {
    return {}
  }
  const results = await Promise.allSettled(
    missing.map((id) => get(`/model_types/${id}`)),
  )
  const additions: Record<string, string> = {}
  results.forEach((result, index) => {
    const key = missing[index]
    if (!key || result.status !== 'fulfilled') {
      return
    }
    const data = result.value?.data
    const name = data?.name || data?.code
    if (name) {
      additions[key] = name
    }
  })
  return additions
}

// ---------------------------------------------------------------------------
// Type label map builder
// ---------------------------------------------------------------------------

export const buildTypeLabelMap = (
  types: any[],
  fetchedOverrides: Record<string, string> = {},
): Record<string, string> => ({
  ...Object.fromEntries(
    (types || [])
      .filter((type: any) => type?.id)
      .map((type: any) => [type.id, type.name || type.code || '']),
  ),
  ...fetchedOverrides,
})