import request from '@/utils/http'

function normalizeText(value) {
  return typeof value === 'string' ? value.trim() : value
}

function normalizeIds(ids) {
  if (Array.isArray(ids)) {
    return ids
      .map((id) => String(id).trim())
      .filter(Boolean)
      .join(',')
  }
  if (ids === null || ids === undefined) {
    return ''
  }
  return String(ids).trim()
}

function filterParams(params = {}, ignoredKeys = []) {
  return Object.fromEntries(
    Object.entries(params)
      .filter(([key, value]) => {
        if (ignoredKeys.includes(key)) return false
        if (value === undefined || value === null) return false
        if (typeof value === 'string' && value.trim() === '') return false
        return true
      })
      .map(([key, value]) => [key, normalizeText(value)])
  )
}

function toNumber(value) {
  if (value === '' || value === null || value === undefined) {
    return void 0
  }
  const numberValue = Number(value)
  return Number.isNaN(numberValue) ? void 0 : numberValue
}

export function buildTaskPathTemplateNodePageParams(params = {}) {
  return {
    current: params.current || 1,
    pageSize: params.pageSize || params.size || 20,
    ...filterParams(params, ['current', 'pageSize', 'size'])
  }
}

export function buildTaskPathTemplateNodeSearchParams(params = {}) {
  const searchParams = {
    condition: normalizeText(params.condition),
    templateId: toNumber(params.templateId),
    templateCode: normalizeText(params.templateCode),
    nodeOrder: toNumber(params.nodeOrder),
    nodeCode: normalizeText(params.nodeCode),
    nodeName: normalizeText(params.nodeName),
    nodeType: normalizeText(params.nodeType),
    systemCode: normalizeText(params.systemCode),
    systemName: normalizeText(params.systemName),
    executeParams: normalizeText(params.executeParams),
    resultSchema: normalizeText(params.resultSchema),
    timeoutMinutes: toNumber(params.timeoutMinutes),
    mandatory: toNumber(params.mandatory),
    parallelExecutable: toNumber(params.parallelExecutable),
    preCondition: normalizeText(params.preCondition),
    postCondition: normalizeText(params.postCondition),
    nextNodeRules: normalizeText(params.nextNodeRules),
    timeStart: normalizeText(params.timeStart),
    timeEnd: normalizeText(params.timeEnd)
  }

  return Object.fromEntries(
    Object.entries(searchParams).filter(([, value]) => value !== '' && value !== void 0 && value !== null)
  )
}

export function buildTaskPathTemplateNodeSavePayload(formData = {}) {
  return {
    ...(formData.id !== undefined && formData.id !== null && formData.id !== ''
      ? { id: Number(formData.id) }
      : {}),
    ...(formData.templateId !== undefined && formData.templateId !== null && formData.templateId !== ''
      ? { templateId: Number(formData.templateId) }
      : {}),
    templateCode: normalizeText(formData.templateCode) || '',
    ...(formData.nodeOrder !== undefined && formData.nodeOrder !== null && formData.nodeOrder !== ''
      ? { nodeOrder: Number(formData.nodeOrder) }
      : {}),
    nodeCode: normalizeText(formData.nodeCode) || '',
    nodeName: normalizeText(formData.nodeName) || '',
    nodeType: normalizeText(formData.nodeType) || 'EXECUTE',
    systemCode: normalizeText(formData.systemCode) || '',
    systemName: normalizeText(formData.systemName) || '',
    executeParams: normalizeText(formData.executeParams) || '',
    resultSchema: normalizeText(formData.resultSchema) || '',
    ...(formData.timeoutMinutes !== undefined && formData.timeoutMinutes !== null && formData.timeoutMinutes !== ''
      ? { timeoutMinutes: Number(formData.timeoutMinutes) }
      : {}),
    ...(formData.mandatory !== undefined && formData.mandatory !== null && formData.mandatory !== ''
      ? { mandatory: Number(formData.mandatory) }
      : { mandatory: 1 }),
    ...(formData.parallelExecutable !== undefined &&
    formData.parallelExecutable !== null &&
    formData.parallelExecutable !== ''
      ? { parallelExecutable: Number(formData.parallelExecutable) }
      : { parallelExecutable: 0 }),
    preCondition: normalizeText(formData.preCondition) || '',
    postCondition: normalizeText(formData.postCondition) || '',
    nextNodeRules: normalizeText(formData.nextNodeRules) || ''
  }
}

export function fetchTaskPathTemplateNodePage(params = {}) {
  return request.post({
    url: '/taskPathTemplateNode/page',
    params: buildTaskPathTemplateNodePageParams(params)
  })
}

export function fetchTaskPathTemplateNodeList(params = {}) {
  return request.post({
    url: '/taskPathTemplateNode/list',
    params: filterParams(params)
  })
}

export function fetchGetTaskPathTemplateNodeDetail(id) {
  return request.get({
    url: `/taskPathTemplateNode/${id}`
  })
}

export function fetchGetTaskPathTemplateNodeMany(ids) {
  return request.post({
    url: `/taskPathTemplateNode/many/${normalizeIds(ids)}`
  })
}

export function fetchSaveTaskPathTemplateNode(params = {}) {
  return request.post({
    url: '/taskPathTemplateNode/save',
    params: buildTaskPathTemplateNodeSavePayload(params)
  })
}

export function fetchUpdateTaskPathTemplateNode(params = {}) {
  return request.post({
    url: '/taskPathTemplateNode/update',
    params: buildTaskPathTemplateNodeSavePayload(params)
  })
}

export function fetchDeleteTaskPathTemplateNode(ids) {
  return request.post({
    url: `/taskPathTemplateNode/remove/${normalizeIds(ids)}`
  })
}

export function fetchTaskPathTemplateNodeQuery(condition = '') {
  return request.post({
    url: '/taskPathTemplateNode/query',
    params: { condition: normalizeText(condition) }
  })
}

export async function fetchExportTaskPathTemplateNodeReport(payload = {}, options = {}) {
  return fetch(`${import.meta.env.VITE_API_URL}/taskPathTemplateNode/export`, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      ...(options.headers || {})
    },
    body: JSON.stringify(payload)
  })
}