const { ROUTES, openStaticRoute } = require('../../utils/static-ux/route-map')

const AI_PAGE_BLUEPRINT = Object.freeze({
  title: 'AI助手',
  historyText: '历史',
  disclaimerText: '本功能仅供学习参考，不能替代专业医师诊断。',
  tabs: [
    {
      key: 'qa',
      label: 'AI答疑'
    },
    {
      key: 'analysis',
      label: '辨证分析'
    },
    {
      key: 'constitution',
      label: '体质检测'
    }
  ],
  panels: {
    qa: {
      key: 'qa',
      badge: 'AI答疑',
      heading: '您好，我是中医学习助手',
      subheading: '围绕中医理论、术语和典籍原文快速提问',
      highlights: ['解答中医理论问题', '解释典籍原文含义', '给出学习型出处引用'],
      examples: ['什么是阴阳？', '气虚和阳虚有什么区别？', '如何理解肝主疏泄？'],
      formType: 'qa',
      actionTitle: '输入你的问题',
      inputPlaceholder: '例如：什么是气虚？',
      actionButtonText: '发送'
    },
    analysis: {
      key: 'analysis',
      badge: '辨证分析',
      heading: '先整理症状，再查看学习型辨证分析',
      subheading: '把症状整理为结构化输入，再看学习型辨证思路',
      highlights: ['输入主要症状', '补充舌象、脉象、体质', '查看学习型辨证结论'],
      examples: ['乏力、睡眠差应如何整理输入？', '舌淡苔白常见于哪些证型？', '如何理解脾虚湿困？'],
      formType: 'analysis',
      actionTitle: '整理辨证输入',
      primaryField: {
        label: '主要症状',
        placeholder: '主要症状，多个用逗号分隔'
      },
      secondaryFields: [
        {
          key: 'tongue',
          placeholder: '舌象'
        },
        {
          key: 'pulse',
          placeholder: '脉象'
        },
        {
          key: 'constitution',
          placeholder: '体质'
        },
        {
          key: 'course',
          placeholder: '病程'
        }
      ],
      noteField: {
        label: '补充说明',
        placeholder: '例如：近两周明显乏力，睡眠浅。'
      },
      actionButtonText: '开始分析'
    },
    constitution: {
      key: 'constitution',
      badge: '体质检测',
      heading: '体质检测即将开放',
      subheading: '九种体质入口先按设计稿保留为 UI-first 模式',
      highlights: ['后续会补齐问卷式体质评估', '保持学习参考语义', '不会输出医疗诊断结论'],
      examples: ['我总怕冷属于哪种体质？', '气虚质有哪些特征？', '体质结果将如何回到典籍学习？'],
      formType: 'constitution',
      actionTitle: '体质检测即将开放',
      actionDescription:
        '当前回合先严格对齐 UI 结构，问卷式体质检测会在后续接入真实题目与结果逻辑。',
      actionButtonText: '查看其它待开放能力'
    }
  }
})

function cloneTabs(tabs) {
  return tabs.map(item => ({ ...item }))
}

function cloneSecondaryFields(fields) {
  return fields.map(item => ({ ...item }))
}

function createPanelByKey(panelKey) {
  const sourcePanel = AI_PAGE_BLUEPRINT.panels[panelKey] || AI_PAGE_BLUEPRINT.panels.qa

  return {
    ...sourcePanel,
    highlights: [...sourcePanel.highlights],
    examples: [...sourcePanel.examples],
    primaryField: sourcePanel.primaryField ? { ...sourcePanel.primaryField } : undefined,
    secondaryFields: sourcePanel.secondaryFields
      ? cloneSecondaryFields(sourcePanel.secondaryFields)
      : undefined,
    noteField: sourcePanel.noteField ? { ...sourcePanel.noteField } : undefined
  }
}

function createAiPageData() {
  return {
    title: AI_PAGE_BLUEPRINT.title,
    historyText: AI_PAGE_BLUEPRINT.historyText,
    disclaimerText: AI_PAGE_BLUEPRINT.disclaimerText,
    secondaryEntries: [
      {
        key: 'ai-history',
        title: 'AI历史',
        subtitle: '查看中医问答与辨证分析的静态历史页',
        route: ROUTES.tcm.aiHistory
      },
      {
        key: 'mingli-interpret',
        title: '命理解读',
        subtitle: '进入命理方向的静态解读页',
        route: ROUTES.mingli.interpret
      }
    ],
    tabs: cloneTabs(AI_PAGE_BLUEPRINT.tabs),
    activeTabKey: 'qa',
    currentPanel: createPanelByKey('qa')
  }
}

function showPlaceholderToast(title) {
  if (typeof wx?.showToast === 'function') {
    wx.showToast({
      title: title || '功能建设中',
      icon: 'none'
    })
  }
}

function showNavigate(route) {
  if (openStaticRoute(route, wx)) {
    return
  }

  showPlaceholderToast()
}

Page({
  data: createAiPageData(),

  handleTabTap(event) {
    const { tabKey } = event.currentTarget.dataset

    if (!AI_PAGE_BLUEPRINT.panels[tabKey] || tabKey === this.data.activeTabKey) {
      return
    }

    this.setData({
      activeTabKey: tabKey,
      currentPanel: createPanelByKey(tabKey)
    })
  },

  handleHistoryTap() {
    showNavigate(ROUTES.tcm.aiHistory)
  },

  handleSecondaryEntryTap(event) {
    showNavigate(event.currentTarget.dataset.route)
  },

  handleActionTap() {
    showPlaceholderToast()
  }
})

module.exports = {
  AI_PAGE_BLUEPRINT,
  createPanelByKey,
  createAiPageData
}