import { useEffect, useState } from 'react'
import { Btn, SettingRow, SettingsGroup } from '@ui'
import { api } from '../api'

const services = [
  ['models.chat', '主模型'],
  ['models.lightweight', '轻量模型'],
  ['models.embedding', 'Embedding'],
  ['models.rerank', 'Reranker'],
  ['tools.tavily', 'Tavily'],
] as const

type Secret = { id: string; service: string; label: string; active: boolean; mask: string }
type Entry = { id: string; keys: string[]; content: string; constant: boolean; logic: string }
type Cmd = { id: string; name: string; title: string; template: string }

export function BorrowPanels() {
  const [secrets, setSecrets] = useState<Secret[]>([])
  const [entries, setEntries] = useState<Entry[]>([])
  const [cmds, setCmds] = useState<Cmd[]>([])
  const [service, setService] = useState<string>(services[0][0])
  const [label, setLabel] = useState('')
  const [value, setValue] = useState('')
  const [keys, setKeys] = useState('')
  const [content, setContent] = useState('')
  const [constant, setConstant] = useState(false)
  const [cmdName, setCmdName] = useState('/summary')
  const [cmdTitle, setCmdTitle] = useState('总结')
  const [cmdBody, setCmdBody] = useState('请总结以上内容。\n{{input}}')

  const reload = () => {
    api.listSecrets().then(setSecrets).catch(() => undefined)
    api.listContextEntries().then(setEntries).catch(() => undefined)
    api.listPromptCommands().then(setCmds).catch(() => undefined)
  }
  useEffect(() => { reload() }, [])

  return (
    <>
      <SettingsGroup title="密钥">
        <SettingRow label="新增密钥" desc="每个服务同时只有一把生效。列表只显示掩码。">
          <select value={service} onChange={e => setService(e.target.value)}>
            {services.map(([id, name]) => <option key={id} value={id}>{name}</option>)}
          </select>
        </SettingRow>
        <SettingRow label="标签与密钥" desc="保存后立即生效，并停用同服务的其他密钥。">
          <input className="search-input" value={label} placeholder="标签" onChange={e => setLabel(e.target.value)} />
          <input className="search-input" type="password" autoComplete="new-password" value={value} placeholder="密钥" onChange={e => setValue(e.target.value)} />
          <Btn variant="primary" onClick={async () => {
            if (!value.trim()) return
            await api.createSecret(service, label || '未命名', value.trim())
            setValue(''); setLabel(''); reload()
          }}>添加</Btn>
        </SettingRow>
        {secrets.map(s => (
          <SettingRow key={s.id} label={s.label} desc={`${s.service} · ${s.mask}${s.active ? ' · 生效' : ''}`}>
            {!s.active && <Btn onClick={async () => { await api.activateSecret(s.id); reload() }}>启用</Btn>}
            <Btn onClick={async () => { await api.deleteSecret(s.id); reload() }}>删除</Btn>
          </SettingRow>
        ))}
      </SettingsGroup>
      <SettingsGroup title="条件注入">
        <SettingRow label="关键词" desc="逗号分隔。用 /正则/ 表示正则。勾选后变为常驻。">
          <input className="search-input" value={keys} placeholder="关键词" onChange={e => setKeys(e.target.value)} />
          <label><input type="checkbox" checked={constant} onChange={e => setConstant(e.target.checked)} /> 常驻</label>
        </SettingRow>
        <SettingRow label="注入正文" desc="命中后附在上下文末尾，不改系统前缀。">
          <textarea rows={3} value={content} onChange={e => setContent(e.target.value)} />
          <Btn variant="primary" onClick={async () => {
            if (!content.trim()) return
            await api.saveContextEntry({
              keys: keys.split(/[,，]/).map(s => s.trim()).filter(Boolean),
              content: content.trim(), constant, logic: 'and', enabled: true, scanDepth: 4, budgetChars: 2000,
            })
            setContent(''); setKeys(''); reload()
          }}>添加</Btn>
        </SettingRow>
        {entries.map(e => (
          <SettingRow key={e.id} label={e.constant ? '常驻' : (e.keys.join(' / ') || '未命名')} desc={e.content}>
            <Btn onClick={async () => { await api.deleteContextEntry(e.id); reload() }}>删除</Btn>
          </SettingRow>
        ))}
      </SettingsGroup>
      <SettingsGroup title="用户命令">
        <SettingRow label="命令" desc="发送 /名称 时展开成提示词。不会自动触发。{{input}} 换成命令后面的文字。">
          <input className="search-input" value={cmdName} onChange={e => setCmdName(e.target.value)} />
          <input className="search-input" value={cmdTitle} onChange={e => setCmdTitle(e.target.value)} />
        </SettingRow>
        <SettingRow label="模板" desc="名称需为小写字母、数字或连字符，例如 /summary。">
          <textarea rows={3} value={cmdBody} onChange={e => setCmdBody(e.target.value)} />
          <Btn variant="primary" onClick={async () => {
            await api.savePromptCommand({ name: cmdName, title: cmdTitle, template: cmdBody })
            reload()
          }}>添加</Btn>
        </SettingRow>
        {cmds.map(c => (
          <SettingRow key={c.id} label={c.name} desc={c.title}>
            <Btn onClick={async () => { await api.deletePromptCommand(c.id); reload() }}>删除</Btn>
          </SettingRow>
        ))}
      </SettingsGroup>
    </>
  )
}