import request from '@/utils/http'

export function buildUserListParams(params = {}) {
  return {
    current: params.current || 1,
    pageSize: params.pageSize || params.size || 20,
    ...(params.username !== undefined ? { username: params.username } : {}),
    ...(params.nickname !== undefined ? { nickname: params.nickname } : {}),
    ...(params.phone !== undefined ? { phone: params.phone } : {}),
    ...(params.email !== undefined ? { email: params.email } : {}),
    ...(params.status !== undefined ? { status: params.status } : {}),
    ...(params.deptId !== undefined ? { deptId: params.deptId } : {})
  }
}

export function buildRoleListParams(params = {}) {
  return {
    current: params.current || 1,
    pageSize: params.pageSize || params.size || 20,
    ...(params.name !== undefined ? { name: params.name } : {}),
    ...(params.code !== undefined ? { code: params.code } : {}),
    ...(params.memo !== undefined ? { memo: params.memo } : {}),
    ...(params.status !== undefined ? { status: params.status } : {})
  }
}

function fetchGetUserList(params) {
  return request.post({ url: '/user/page', params: buildUserListParams(params) })
}

function fetchSaveUser(params) {
  return request.post({ url: '/user/save', params })
}

function fetchUpdateUser(params) {
  return request.post({ url: '/user/update', params })
}

function fetchDeleteUser(id) {
  return request.post({ url: `/user/remove/${id}` })
}

function fetchResetUserPassword(params) {
  const normalizedParams = normalizeAdminPasswordUpdateParams(params)
  return request.post({ url: '/user/update', params: normalizedParams })
}

function fetchUpdateUserStatus(params) {
  return request.post({ url: '/user/update', params })
}

function fetchGetUserDetail(id) {
  return request.get({ url: `/user/${id}` })
}

function fetchGetRoleList(params) {
  return request.post({ url: '/role/page', params: buildRoleListParams(params) })
}

function fetchSaveRole(params) {
  return request.post({ url: '/role/save', params })
}

function fetchUpdateRole(params) {
  return request.post({ url: '/role/update', params })
}

function fetchDeleteRole(id) {
  return request.post({ url: `/role/remove/${id}` })
}

function fetchGetRoleOptions(params) {
  return request.post({ url: '/role/list', params })
}

function buildRolePageParams(params = {}) {
  return {
    current: params.current || 1,
    pageSize: params.pageSize || params.size || 20,
    ...(params.name !== undefined ? { name: params.name } : {}),
    ...(params.code !== undefined ? { code: params.code } : {}),
    ...(params.memo !== undefined ? { memo: params.memo } : {}),
    ...(params.status !== undefined ? { status: params.status } : {}),
    ...(params.condition !== undefined ? { condition: params.condition } : {})
  }
}

function fetchRolePage(params = {}) {
  return request.post({ url: '/role/page', params: buildRolePageParams(params) })
}

const fetchRolePrintPage = fetchRolePage

function normalizeRoleManyIds(ids) {
  if (Array.isArray(ids)) {
    return ids
      .map((id) => normalizeLegacyId(id))
      .filter((id) => id !== '')
      .join(',')
  }
  return normalizeLegacyId(ids)
}

function fetchGetRoleMany(ids) {
  const normalizedIds = normalizeRoleManyIds(ids)
  return request.post({ url: `/role/many/${normalizedIds}` })
}

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

function fetchGetDeptTree(params) {
  return request.post({ url: '/dept/tree', params })
}

function fetchGetMenuTree(params = {}) {
  return request.post({ url: '/menu/tree', params })
}

function fetchSaveMenu(params) {
  return request.post({ url: '/menu/save', params })
}

function fetchUpdateMenu(params) {
  return request.post({ url: '/menu/update', params })
}

function fetchDeleteMenu(id) {
  return request.post({ url: `/menu/remove/${id}` })
}

function assertAdminPasswordUpdatePayload(params) {
  if (!isPlainObject(params)) {
    throw new Error('fetchResetUserPassword requires an object payload')
  }
  if (params.id === undefined || params.id === null || params.id === '') {
    throw new Error('fetchResetUserPassword requires a user id')
  }
}

function normalizeAdminPasswordUpdateParams(params) {
  assertAdminPasswordUpdatePayload(params)
  if (params.password !== undefined) {
    return params
  }
  if (params.newPassword !== undefined) {
    return {
      ...params,
      password: params.newPassword
    }
  }
  throw new Error('fetchResetUserPassword requires a password payload')
}

function getScopeListUrl(scopeType) {
  const urlMap = {
    menu: '/role/scope/list',
    pda: '/rolePda/scope/list',
    matnr: '/roleMatnr/scope/list',
    warehouse: '/roleWarehouse/scope/list'
  }
  const url = urlMap[scopeType]
  if (!url) {
    throw new Error(`Unsupported scope type: ${scopeType}`)
  }
  return url
}

function getScopeUpdateUrl(scopeType) {
  const urlMap = {
    menu: '/role/scope/update',
    pda: '/rolePda/scope/update',
    matnr: '/roleMatnr/scope/update',
    warehouse: '/roleWarehouse/scope/update'
  }
  const url = urlMap[scopeType]
  if (!url) {
    throw new Error(`Unsupported scope type: ${scopeType}`)
  }
  return url
}

function getScopeTreeUrl(scopeType) {
  const urlMap = {
    menu: '/menu/tree',
    pda: '/menuPda/tree',
    matnr: '/menuMatnrGroup/tree',
    warehouse: '/menuWarehouse/tree'
  }
  const url = urlMap[scopeType]
  if (!url) {
    throw new Error(`Unsupported scope type: ${scopeType}`)
  }
  return url
}

function fetchGetRoleScopeList(scopeType, roleId) {
  return request.get({ url: getScopeListUrl(scopeType), params: { roleId } })
}

function fetchUpdateRoleScope(scopeType, params) {
  return request.post({ url: getScopeUpdateUrl(scopeType), params })
}

function fetchGetRoleScopeTree(scopeType, params = {}) {
  return request.post({ url: getScopeTreeUrl(scopeType), params })
}

function fetchGetUserLoginList(params) {
  return request.post({
    url: '/userLogin/page',
    params
  })
}

function fetchGetMenuList(params = {}) {
  return request.post({ url: '/menu/list', params }).then((menuList) => adaptLegacyMenuTree(buildLegacyMenuTree(menuList)))
}

function adaptLegacyMenuTree(menuTree) {
  if (!Array.isArray(menuTree)) {
    return []
  }

  return menuTree
    .map((node) => adaptLegacyMenuNode(node))
    .filter(Boolean)
}

function buildLegacyMenuTree(menuList) {
  if (!Array.isArray(menuList)) {
    return []
  }

  const nodeMap = new Map()
  const roots = []

  menuList.forEach((node) => {
    if (!node || typeof node !== 'object') {
      return
    }
    nodeMap.set(normalizeLegacyId(node.id), {
      ...node,
      children: []
    })
  })

  nodeMap.forEach((node) => {
    const parentId = normalizeLegacyId(node.parentId ?? 0)
    if (parentId && parentId !== '0' && nodeMap.has(parentId)) {
      nodeMap.get(parentId).children.push(node)
      return
    }
    roots.push(node)
  })

  return sortLegacyMenuTree(roots)
}

function sortLegacyMenuTree(nodes) {
  return nodes
    .sort((left, right) => {
      const leftSort = Number(left?.sort ?? 0)
      const rightSort = Number(right?.sort ?? 0)
      if (leftSort !== rightSort) {
        return leftSort - rightSort
      }
      return normalizeLegacyId(left?.id).localeCompare(normalizeLegacyId(right?.id))
    })
    .map((node) => ({
      ...node,
      children: Array.isArray(node.children) ? sortLegacyMenuTree(node.children) : []
    }))
}

function adaptLegacyMenuNode(node) {
  if (!node || typeof node !== 'object' || node.type === 1) {
    return null
  }

  const menuChildren = []
  const authList = []
  const rawChildren = Array.isArray(node.children) ? node.children : []

  rawChildren.forEach((child) => {
    if (!child || typeof child !== 'object') {
      return
    }
    if (child.type === 1) {
      authList.push(buildLegacyAuthItem(child))
      return
    }
    const adaptedChild = adaptLegacyMenuNode(child)
    if (adaptedChild) {
      menuChildren.push(adaptedChild)
    }
  })

  const adapted = {
    id: normalizeLegacyId(node.id),
    parentId: normalizeLegacyId(node.parentId ?? 0),
    parentName: node.parentName || '',
    name: buildLegacyRouteName(node),
    route: typeof node.route === 'string' ? node.route : '',
    path: buildLegacyMenuPath(node),
    component: buildLegacyMenuComponent(node),
    authority: node.authority || '',
    icon: node.icon || '',
    sort: node.sort ?? 0,
    status: node.status ?? 1,
    memo: node.memo || '',
    type: node.type ?? 0,
    meta: buildLegacyMenuMeta(node),
    children: menuChildren
  }
  if (authList.length > 0) {
    adapted.meta.authList = authList
  }

  return adapted
}

function buildLegacyMenuMeta(node) {
  const metaSource = node.meta && typeof node.meta === 'object' ? node.meta : node
  const meta = {
    title: normalizeLegacyTitle(node.name || metaSource.title || '')
  }

  const supportedKeys = [
    'icon',
    'sort',
    'keepAlive',
    'isHide',
    'isHideTab',
    'fixedTab',
    'link',
    'isIframe',
    'roles',
    'showBadge',
    'showTextBadge',
    'activePath',
    'isFullPage'
  ]

  supportedKeys.forEach((key) => {
    if (metaSource[key] !== undefined) {
      meta[key] = metaSource[key]
    }
  })
  meta.isEnable = normalizeLegacyEnableState(metaSource)

  return meta
}

function buildLegacyAuthItem(node) {
  const metaSource = node.meta && typeof node.meta === 'object' ? node.meta : node
  return {
    id: normalizeLegacyId(node.id),
    parentId: normalizeLegacyId(node.parentId ?? 0),
    parentName: node.parentName || '',
    name: node.name || metaSource.title || '',
    title: normalizeLegacyTitle(node.name || metaSource.title || ''),
    route: typeof node.route === 'string' ? node.route : '',
    component: buildLegacyMenuComponent(node),
    authMark: metaSource.authMark || metaSource.authority || metaSource.code || '',
    authority: metaSource.authority || metaSource.authMark || metaSource.code || '',
    icon: metaSource.icon || '',
    sort: metaSource.sort ?? 0,
    status: metaSource.status ?? 1,
    memo: metaSource.memo || '',
    type: node.type ?? 1
  }
}

function buildLegacyMenuPath(node) {
  const rawPath = typeof node.route === 'string' && node.route.trim()
    ? node.route
    : typeof node.path === 'string'
      ? node.path
      : ''
  return normalizeLegacyPath(rawPath)
}

function buildLegacyMenuComponent(node) {
  if (typeof node.component === 'string') {
    return node.component
  }
  return ''
}

function buildLegacyRouteName(node) {
  if (typeof node.name === 'string' && node.name.trim()) {
    return node.name.trim()
  }
  if (typeof node.component === 'string' && node.component.trim()) {
    return node.component.trim()
  }
  const path = buildLegacyMenuPath(node)
  if (path) {
    return path
      .split('/')
      .filter(Boolean)
      .map((segment) => segment.charAt(0).toUpperCase() + segment.slice(1))
      .join('')
  }
  return `Menu${normalizeLegacyId(node.id)}`
}

function normalizeLegacyTitle(title) {
  if (typeof title !== 'string') {
    return ''
  }
  const trimmedTitle = title.trim()
  if (trimmedTitle.startsWith('menu.')) {
    return `menus.${trimmedTitle.slice('menu.'.length)}`
  }
  return trimmedTitle
}

function normalizeLegacyPath(path) {
  if (typeof path !== 'string') {
    return ''
  }
  return path.replace(/^\/+/, '').replace(/\/+$/, '')
}

function normalizeLegacyId(id) {
  if (id === null || id === undefined || id === '') {
    return ''
  }
  return String(id)
}

function normalizeLegacyEnableState(metaSource) {
  if (metaSource.isEnable !== undefined) {
    return Boolean(metaSource.isEnable)
  }
  if (metaSource.enabled !== undefined) {
    return Boolean(metaSource.enabled)
  }
  if (metaSource.statusBool !== undefined) {
    return Boolean(metaSource.statusBool)
  }
  if (metaSource.status !== undefined) {
    return Number(metaSource.status) === 1
  }
  return true
}

function isPlainObject(value) {
  return Boolean(value) && typeof value === 'object' && !Array.isArray(value)
}

export {
  fetchGetUserList,
  fetchSaveUser,
  fetchUpdateUser,
  fetchDeleteUser,
  fetchResetUserPassword,
  fetchUpdateUserStatus,
  fetchGetUserDetail,
  fetchGetRoleList,
  fetchSaveRole,
  fetchUpdateRole,
  fetchDeleteRole,
  fetchGetRoleOptions,
  fetchRolePrintPage,
  fetchRolePage,
  fetchExportRoleReport,
  fetchGetRoleMany,
  fetchGetDeptTree,
  fetchGetMenuTree,
  fetchSaveMenu,
  fetchUpdateMenu,
  fetchDeleteMenu,
  fetchGetRoleScopeList,
  fetchGetRoleScopeTree,
  fetchUpdateRoleScope,
  fetchGetUserLoginList,
  fetchGetMenuList
}