/**
 * 角色 / 会话 / TabBar 配置
 * ------------------------------------------------------------
 * 双角色设计核心：
 *  - 救援人员端（rescuer）：首页(日常学习) / 事件(执行态) / 我的  —— 按「任务状态」分 Tab
 *  - 仓管人员端（keeper）：扫码 / 仓库 / 设备 / 消息 / 我        —— 按「工作对象」分 Tab
 * 不同角色的 TabBar 与可用操作页面由本文件统一裁决，页面内不要硬编码角色判断。
 */
import { reactive } from 'vue'
import { xStore } from "@/uni_modules/tmx-ui/index.uts"
import { TABBAR_ITEM_INFO } from "@/uni_modules/tmx-ui/interface.uts"
import { rescuerUser, keeperUser } from "@/mock/index.uts"
import { HrRole, HrUser } from "@/mock/types.uts"
import { hrUnread, badgeText } from "@/utils/unread.uts"

/** 当前登录会话 */
export type HrSession = {
	/** 角色 */
	role : HrRole
	/** 姓名 */
	name : string
	/** 头像文字 */
	avatar : string
	/** 职称 */
	title : string
	/** 科室 */
	dept : string
	/** 工号 */
	jobNo : string
	/** 角色中文名 */
	roleLabel : string
	/** 能力标签 */
	tags : string[]
	/** 累计学时 */
	hours : number
	/** 完成课程 */
	courseCount : number
	/** 有效证书 */
	certCount : number
	/** 是否已登录 */
	logged : boolean
}

const guest : HrSession = {
	role: 'rescuer', name: '未登录', avatar: '医', title: '', dept: '', jobNo: '',
	roleLabel: '', tags: [] as string[], hours: 0, courseCount: 0, certCount: 0, logged: false
} as HrSession

/** 全局会话（页面统一从这里取用户信息） */
export const hrSession = reactive(guest as HrSession)

/** 按角色登录 */
export function loginAs(role : HrRole) : void {
	const u : HrUser = role == 'keeper' ? keeperUser : rescuerUser
	hrSession.role = u.role
	hrSession.name = u.name
	hrSession.avatar = u.avatar
	hrSession.title = u.title
	hrSession.dept = u.dept
	hrSession.jobNo = u.jobNo
	hrSession.roleLabel = u.roleLabel
	hrSession.tags = u.tags
	hrSession.hours = u.hours
	hrSession.courseCount = u.courseCount
	hrSession.certCount = u.certCount
	hrSession.logged = true
}

/** 退出登录 */
export function logout() : void {
	hrSession.role = 'rescuer'
	hrSession.name = '未登录'
	hrSession.avatar = '医'
	hrSession.logged = false
}

/* ============================ TabBar ============================ */

/**
 * 救援人员端 3 Tab：首页 / 事件 / 我的
 * 事件 Tab 的角标取自全局未读数（查看事件列表后清零 → 角标隐藏）。
 */
export function rescuerTabs() : TABBAR_ITEM_INFO[] {
	return [
		{ title: '首页', icon: 'home-3-line', selectedIcon: 'home-3-fill', color: '#9CA3AF', selectedColor: '#2563EB' } as TABBAR_ITEM_INFO,
		{ title: '事件', icon: 'alarm-warning-line', selectedIcon: 'alarm-warning-fill', color: '#9CA3AF', selectedColor: '#2563EB', dotLabel: badgeText(hrUnread.events) } as TABBAR_ITEM_INFO,
		{ title: '我的', icon: 'user-3-line', selectedIcon: 'user-3-fill', color: '#9CA3AF', selectedColor: '#2563EB' } as TABBAR_ITEM_INFO
	]
}

/** 仓管人员端 5 Tab：扫码 / 仓库 / 设备 / 消息 / 我 */
export function keeperTabs() : TABBAR_ITEM_INFO[] {
	return [
		{ title: '扫码', icon: 'qr-scan-line', selectedIcon: 'qr-scan-fill', color: '#9CA3AF', selectedColor: '#2563EB' } as TABBAR_ITEM_INFO,
		{ title: '仓库', icon: 'archive-line', selectedIcon: 'archive-fill', color: '#9CA3AF', selectedColor: '#2563EB' } as TABBAR_ITEM_INFO,
		{ title: '设备', icon: 'settings-3-line', selectedIcon: 'settings-3-fill', color: '#9CA3AF', selectedColor: '#2563EB' } as TABBAR_ITEM_INFO,
		{ title: '消息', icon: 'mail-line', selectedIcon: 'mail-fill', color: '#9CA3AF', selectedColor: '#2563EB', dotLabel: badgeText(hrUnread.messages) } as TABBAR_ITEM_INFO,
		{ title: '我', icon: 'user-3-line', selectedIcon: 'user-3-fill', color: '#9CA3AF', selectedColor: '#2563EB' } as TABBAR_ITEM_INFO
	]
}

/**
 * 取当前角色的 TabBar 项
 * 每次调用重新构造数组 → 未读数变化时调用方的 computed 会重新求值（角标随之隐藏）。
 */
export function currentTabs() : TABBAR_ITEM_INFO[] {
	return hrSession.role == 'keeper' ? keeperTabs() : rescuerTabs()
}

/** 当前角色 Tab 对应的页面路径（顺序与 currentTabs 一致） */
export function currentTabPages() : string[] {
	if (hrSession.role == 'keeper') {
		return [
			'/pages/warehouse/scan',
			'/pages/warehouse/stock',
			'/pages/warehouse/devices',
			'/pages/message/index',
			'/pages/mine/index'
		]
	}
	return [
		'/pages/home/index',
		'/pages/event/index',
		'/pages/mine/index'
	]
}

/** 同步 TabBar 配置进 tmx-ui 全局状态（x-tabbar 会读取） */
export function syncTabbar(activeIndex : number) : void {
	xStore.xTabbarConfig.list = currentTabs()
	xStore.xTabbarConfig.tabbarActiveIndex = activeIndex
}

function rescueHas(arr : string[], p : string) : boolean {
	let hit = false
	for (let i = 0; i < arr.length; i++) {
		if (arr[i] == p) { hit = true; break }
	}
	return hit
}

function keeperHas(arr : string[], p : string) : boolean {
	let hit = false
	for (let i = 0; i < arr.length; i++) {
		if (arr[i] == p) { hit = true; break }
	}
	return hit
}

/**
 * 某个角色是否可访问某页面
 * 用于「可用操作页面的区分」：仓管端不出现检伤/事件工作台，救援端不出现出入库。
 */
export function canAccess(path : string) : boolean {
	const keeperOnly : string[] = ['/pages/warehouse/scan', '/pages/warehouse/stock', '/pages/warehouse/goods-detail', '/pages/warehouse/devices', '/pages/warehouse/device-detail', '/pages/message/index']
	const rescuerOnly : string[] = ['/pages/home/index', '/pages/event/index', '/pages/event/detail', '/pages/triage/victims', '/pages/triage/create', '/pages/triage/detail', '/pages/triage/batch-treat', '/pages/triage/batch-transfer', '/pages/triage/transfer', '/pages/triage/treat-records', '/pages/triage/offline-sync', '/pages/course/library', '/pages/course/subject', '/pages/course/media', '/pages/course/practice', '/pages/course/quiz', '/pages/course/answer-card', '/pages/study/exams', '/pages/study/certificates', '/pages/study/wrong-book', '/pages/study/center', '/pages/message/list', '/pages/message/contacts']
	const p = path.split('?')[0]
	if (hrSession.role == 'keeper') {
		return rescueHas(rescuerOnly, p) ? false : true
	}
	return keeperHas(keeperOnly, p) ? false : true
}