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 normalizeStringList(value) {
  if (Array.isArray(value)) {
    return value.map((item) => normalizeText(item)).filter(Boolean)
  }
  if (value === null || value === undefined || value === '') {
    return []
  }
  if (typeof value === 'string') {
    const text = value.trim()
    if (!text) {
      return []
    }
    if (text.startsWith('[')) {
      try {
        const parsed = JSON.parse(text)
        if (Array.isArray(parsed)) {
          return parsed.map((item) => normalizeText(item)).filter(Boolean)
        }
      } catch {
        return [text]
      }
    }
    return text.split(/[;,，\n\r]+/g).map((item) => item.trim()).filter(Boolean)
  }
  return [normalizeText(value)].filter(Boolean)
}

function normalizeIntegerList(value) {
  if (Array.isArray(value)) {
    return value
      .map((item) => {
        if (item === null || item === undefined || item === '') {
          return null
        }
        const numberValue = Number(item)
        return Number.isNaN(numberValue) ? null : numberValue
      })
      .filter((item) => item !== null)
  }
  if (value === null || value === undefined || value === '') {
    return []
  }
  if (typeof value === 'string') {
    const text = value.trim()
    if (!text) {
      return []
    }
    if (text.startsWith('[')) {
      try {
        const parsed = JSON.parse(text)
        if (Array.isArray(parsed)) {
          return parsed
            .map((item) => {
              const numberValue = Number(item)
              return Number.isNaN(numberValue) ? null : numberValue
            })
            .filter((item) => item !== null)
        }
      } catch {
        return text
          .split(/[;,，\n\r]+/g)
          .map((item) => Number(item.trim()))
          .filter((item) => !Number.isNaN(item))
      }
    }
    const numberValue = Number(text)
    return Number.isNaN(numberValue) ? [] : [numberValue]
  }
  const numberValue = Number(value)
  return Number.isNaN(numberValue) ? [] : [numberValue]
}

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

export function buildTaskPathTemplateMergeSearchParams(params = {}) {
  const searchParams = {
    condition: normalizeText(params.condition),
    templateCode: normalizeText(params.templateCode),
    templateName: normalizeText(params.templateName),
    sourceType: normalizeText(params.sourceType),
    targetType: normalizeText(params.targetType),
    conditionExpression: normalizeText(params.conditionExpression),
    conditionDesc: normalizeText(params.conditionDesc),
    version:
      params.version !== undefined && params.version !== null && params.version !== ''
        ? Number(params.version)
        : void 0,
    isCurrent:
      params.isCurrent !== undefined && params.isCurrent !== null && params.isCurrent !== ''
        ? Number(params.isCurrent)
        : void 0,
    priority:
      params.priority !== undefined && params.priority !== null && params.priority !== ''
        ? Number(params.priority)
        : void 0,
    timeoutMinutes:
      params.timeoutMinutes !== undefined && params.timeoutMinutes !== null && params.timeoutMinutes !== ''
        ? Number(params.timeoutMinutes)
        : void 0,
    maxRetryTimes:
      params.maxRetryTimes !== undefined && params.maxRetryTimes !== null && params.maxRetryTimes !== ''
        ? Number(params.maxRetryTimes)
        : void 0,
    retryIntervalSeconds:
      params.retryIntervalSeconds !== undefined && params.retryIntervalSeconds !== null && params.retryIntervalSeconds !== ''
        ? Number(params.retryIntervalSeconds)
        : void 0,
    stepSize:
      params.stepSize !== undefined && params.stepSize !== null && params.stepSize !== ''
        ? Number(params.stepSize)
        : void 0,
    status:
      params.status !== undefined && params.status !== null && params.status !== ''
        ? Number(params.status)
        : void 0,
    effectiveTime: normalizeText(params.effectiveTime),
    expireTime: normalizeText(params.expireTime),
    timeStart: normalizeText(params.timeStart),
    timeEnd: normalizeText(params.timeEnd)
  }

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

export function buildTaskPathTemplateMergeSavePayload(formData = {}) {
  const isEditMode = formData.id !== void 0 && formData.id !== null && formData.id !== ''
  const sourceTypeR = normalizeStringList(formData.sourceTypeR)
  const targetTypeR = normalizeStringList(formData.targetTypeR)
  const sourceType = normalizeText(formData.sourceType || '')
  const targetType = normalizeText(formData.targetType || '')
  const conditionExpression = normalizeIntegerList(formData.conditionExpression)
  const derivedSource = sourceType || sourceTypeR[0] || ''
  const derivedTarget = targetType || targetTypeR[0] || ''
  const templateName = normalizeText(formData.templateName || '') || (derivedSource && derivedTarget ? `${derivedSource}==>${derivedTarget}` : '')
  const templateCode = normalizeText(formData.templateCode || '') || templateName

  const payload = {
    ...(isEditMode ? { id: Number(formData.id) } : {}),
    templateCode,
    templateName,
    conditionExpression,
    conditionDesc: normalizeText(formData.conditionDesc || ''),
    version:
      formData.version !== void 0 && formData.version !== null && formData.version !== ''
        ? Number(formData.version)
        : 1,
    isCurrent:
      formData.isCurrent !== void 0 && formData.isCurrent !== null && formData.isCurrent !== ''
        ? Number(formData.isCurrent)
        : 1,
    effectiveTime: normalizeText(formData.effectiveTime || ''),
    expireTime: normalizeText(formData.expireTime || ''),
    priority:
      formData.priority !== void 0 && formData.priority !== null && formData.priority !== ''
        ? Number(formData.priority)
        : 1,
    ...(formData.timeoutMinutes !== void 0 && formData.timeoutMinutes !== null && formData.timeoutMinutes !== ''
      ? { timeoutMinutes: Number(formData.timeoutMinutes) }
      : {}),
    maxRetryTimes:
      formData.maxRetryTimes !== void 0 && formData.maxRetryTimes !== null && formData.maxRetryTimes !== ''
        ? Number(formData.maxRetryTimes)
        : 3,
    retryIntervalSeconds:
      formData.retryIntervalSeconds !== void 0 &&
      formData.retryIntervalSeconds !== null &&
      formData.retryIntervalSeconds !== ''
        ? Number(formData.retryIntervalSeconds)
        : 60,
    status:
      formData.status !== void 0 && formData.status !== null && formData.status !== ''
        ? Number(formData.status)
        : 1,
    ...(formData.stepSize !== void 0 && formData.stepSize !== null && formData.stepSize !== ''
      ? { stepSize: Number(formData.stepSize) }
      : {})
  }

  if (isEditMode) {
    payload.sourceType = sourceType
    payload.targetType = targetType
  } else {
    payload.sourceTypeR = sourceTypeR
    payload.targetTypeR = targetTypeR
  }

  return payload
}

export function fetchTaskPathTemplateMergeCreateSelectList() {
  return request.post({
    url: '/taskPathTemplateMerge/createSelectList'
  })
}

export function fetchTaskPathTemplateMergePage(params = {}) {
  return request.post({
    url: '/taskPathTemplateMerge/page',
    params: buildTaskPathTemplateMergePageParams(params)
  })
}

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

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

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

export function fetchSaveTaskPathTemplateMerge(params = {}) {
  return request.post({
    url: '/taskPathTemplateMerge/save',
    params: buildTaskPathTemplateMergeSavePayload(params)
  })
}

export function fetchUpdateTaskPathTemplateMerge(params = {}) {
  return request.post({
    url: '/taskPathTemplateMerge/update',
    params: buildTaskPathTemplateMergeSavePayload(params)
  })
}

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

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

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