"use client"

import Link from "next/link"

import { useParams, useRouter } from "next/navigation"
import { useFamily } from "@/context/family-context"
import { SiteHeader } from "@/components/site-header"
import { MemberForm } from "@/components/members/member-form"
import { Button } from "@/components/ui/button"
import { ArrowLeft, Edit, Trash, Share2, Printer, CircleUser, CircleUserRound, Images, BookOpen, UserPlus } from "lucide-react"
import { useState, useEffect } from "react"
import type { FamilyMember } from "@/types/family"
import { db } from "@/lib/db"
import { PhotoGallery } from "@/components/members/photo-gallery"
import { StoryManager } from "@/components/members/story-manager"
import { useDialog } from "@/components/ui/alert-dialog-custom"

export default function MemberProfilePage() {
  const { id } = useParams()
  const { getMember, updateMember, deleteMember, treeData } = useFamily()
  const { showConfirm } = useDialog()
  const router = useRouter()
  const [isEditing, setIsEditing] = useState(false)
  const [avatarBlobUrl, setAvatarBlobUrl] = useState<string | undefined>(undefined)

  const member = getMember(id as string)
  const allMembers = Object.values(treeData.members)

  // Load avatar blob if exists
  useEffect(() => {
    if (member?.avatarImageId) {
      db.images.get(member.avatarImageId).then((image) => {
        if (image) {
          const url = URL.createObjectURL(image.blob)
          setAvatarBlobUrl(url)
          return () => URL.revokeObjectURL(url)
        }
      })
    } else {
      setAvatarBlobUrl(undefined)
    }
  }, [member?.avatarImageId])

  if (!member) {
    return (
      <div className="min-h-screen flex flex-col bg-background">
        <SiteHeader />
        <div className="flex-1 flex flex-col items-center justify-center gap-4">
          <p className="text-muted-foreground">Member not found</p>
          <Button onClick={() => router.push("/members")}>Back to List</Button>
        </div>
      </div>
    )
  }

  const handleSave = (updatedMember: FamilyMember) => {
    updateMember(updatedMember.id, updatedMember)
    setIsEditing(false)
  }

  const handleDelete = async () => {
    const confirmed = await showConfirm("确定要删除这位成员吗？这将同时删除其关联关系。", "删除成员", "destructive")
    if (confirmed) {
      deleteMember(member.id)
      router.push("/members")
    }
  }

  const handleQuickAddChild = () => {
    // 跳转到新增成员页面，并预填父母信息
    const params = new URLSearchParams()
    if (member.gender === 'MALE') {
      params.set('fatherId', member.id)
    } else {
      params.set('motherId', member.id)
    }
    params.set('generation', (member.generation + 1).toString())
    router.push(`/members/new?${params.toString()}`)
  }

  const handleQuickAddSpouse = () => {
    // 跳转到新增成员页面，并预填配偶信息
    const params = new URLSearchParams()
    params.set('spouseId', member.id)
    params.set('generation', member.generation.toString())
    // 配偶性别与当前成员相反
    params.set('gender', member.gender === 'MALE' ? 'FEMALE' : 'MALE')
    router.push(`/members/new?${params.toString()}`)
  }

  const handleQuickAddFather = () => {
    // 跳转到新增成员页面，并预填父亲信息
    const params = new URLSearchParams()
    params.set('childId', member.id)
    params.set('generation', (member.generation - 1).toString())
    params.set('gender', 'MALE')
    // 如果已有母亲，将母亲设置为配偶
    if (member.motherId) {
      params.set('spouseId', member.motherId)
    }
    router.push(`/members/new?${params.toString()}`)
  }

  const handleQuickAddMother = () => {
    // 跳转到新增成员页面，并预填母亲信息
    const params = new URLSearchParams()
    params.set('childId', member.id)
    params.set('generation', (member.generation - 1).toString())
    params.set('gender', 'FEMALE')
    // 如果已有父亲，将父亲设置为配偶
    if (member.fatherId) {
      params.set('spouseId', member.fatherId)
    }
    router.push(`/members/new?${params.toString()}`)
  }

  if (isEditing) {
    return (
      <div className="min-h-screen flex flex-col bg-background">
        <SiteHeader />
        <div className="container mx-auto py-8">
          <div className="mb-6 flex items-center gap-2">
            <Button variant="ghost" onClick={() => setIsEditing(false)}>
              <ArrowLeft className="mr-2 h-4 w-4" /> 返回
            </Button>
            <h1 className="text-2xl font-bold font-serif">编辑成员: {member.fullName}</h1>
          </div>
          <MemberForm 
            initialData={member} 
            existingMembers={allMembers}
            onSubmit={handleSave} 
            onCancel={() => setIsEditing(false)} 
          />
        </div>
      </div>
    )
  }

  return (
    <div className="min-h-screen flex flex-col bg-background">
      <SiteHeader />
      <main className="container mx-auto py-8 px-4 md:px-6">
        {/* Header Section */}
        <div className="flex flex-col md:flex-row justify-between items-start gap-6 mb-8 border-b border-border pb-8">
          <div className="flex items-start gap-6">
            <div className="h-32 w-32 rounded-lg bg-muted flex items-center justify-center border-2 border-primary/20 overflow-hidden">
              {avatarBlobUrl ? (
                <img
                  src={avatarBlobUrl}
                  alt={member.fullName}
                  className="h-full w-full object-cover"
                />
              ) : (
                member.gender === 'FEMALE' ? (
                  <CircleUserRound className="h-20 w-20 text-pink-400" />
                ) : (
                  <CircleUser className="h-20 w-20 text-blue-400" />
                )
              )}
            </div>
            <div>
              <div className="flex items-center gap-3 mb-2">
                <h1 className="text-4xl font-bold font-serif text-foreground">{member.fullName}</h1>
                <span className="px-2 py-1 bg-primary/10 text-primary text-sm font-medium rounded-full border border-primary/20">
                  {member.generation}世
                </span>
              </div>
              <div className="space-y-1 text-muted-foreground">
                {member.courtesyName && (
                  <p>
                    字：<span className="text-foreground">{member.courtesyName}</span>
                  </p>
                )}
                {member.artName && (
                  <p>
                    号：<span className="text-foreground">{member.artName}</span>
                  </p>
                )}
                {member.ancestralHome && <p>籍贯：{member.ancestralHome}</p>}
              </div>
              {member.tags && member.tags.length > 0 && (
                <div className="flex flex-wrap gap-2 mt-3">
                  {member.tags.map((tag) => (
                    <span
                      key={tag}
                      className="px-2 py-1 bg-primary/10 text-primary text-xs font-medium rounded-md border border-primary/20"
                    >
                      {tag}
                    </span>
                  ))}
                </div>
              )}
            </div>
          </div>

          <div className="flex gap-2 flex-wrap">
            {!member.fatherId && (
              <Button variant="outline" onClick={handleQuickAddFather} className="gap-2">
                <UserPlus className="h-4 w-4" /> 添加父亲
              </Button>
            )}
            {!member.motherId && (
              <Button variant="outline" onClick={handleQuickAddMother} className="gap-2">
                <UserPlus className="h-4 w-4" /> 添加母亲
              </Button>
            )}
            <Button variant="default" onClick={handleQuickAddChild} className="gap-2">
              <UserPlus className="h-4 w-4" /> 添加子女
            </Button>
            <Button variant="secondary" onClick={handleQuickAddSpouse} className="gap-2">
              <UserPlus className="h-4 w-4" /> 添加配偶
            </Button>
            <Button variant="outline" size="icon" onClick={() => window.print()}>
              <Printer className="h-4 w-4" />
            </Button>
            <Button variant="outline" size="icon">
              <Share2 className="h-4 w-4" />
            </Button>
            <Button variant="outline" onClick={() => setIsEditing(true)} className="gap-2">
              <Edit className="h-4 w-4" /> 编辑
            </Button>
            <Button variant="destructive" size="icon" onClick={handleDelete}>
              <Trash className="h-4 w-4" />
            </Button>
          </div>
        </div>

        {/* Content Grid */}
        <div className="grid grid-cols-1 lg:grid-cols-3 gap-8">
          {/* Main Biography */}
          <div className="lg:col-span-2 space-y-8">
            <section>
              <h2 className="text-2xl font-serif font-bold mb-4 flex items-center gap-2">
                <span className="w-1 h-6 bg-primary rounded-full"></span>
                生平事迹
              </h2>
              <div className="prose prose-stone dark:prose-invert max-w-none bg-card p-6 rounded-lg border border-border shadow-sm">
                {member.bio ? (
                  <p className="whitespace-pre-line leading-relaxed">{member.bio}</p>
                ) : (
                  <p className="text-muted-foreground italic">暂无生平记录...</p>
                )}
              </div>
            </section>

            {/* Photo Gallery */}
            {member.photoIds && member.photoIds.length > 0 && (
              <section>
                <h2 className="text-2xl font-serif font-bold mb-4 flex items-center gap-2">
                  <Images className="h-6 w-6 text-primary" />
                  照片墙
                </h2>
                <div className="bg-card p-6 rounded-lg border border-border shadow-sm">
                  <PhotoGallery
                    photoIds={member.photoIds}
                    onChange={(photoIds) => updateMember(member.id, { photoIds })}
                    readonly={false}
                  />
                </div>
              </section>
            )}

            {/* Family Stories */}
            {member.stories && member.stories.length > 0 && (
              <section>
                <h2 className="text-2xl font-serif font-bold mb-4 flex items-center gap-2">
                  <BookOpen className="h-6 w-6 text-primary" />
                  家族故事
                </h2>
                <div className="bg-card p-6 rounded-lg border border-border shadow-sm">
                  <StoryManager
                    stories={member.stories}
                    onChange={(stories) => updateMember(member.id, { stories })}
                    readonly={false}
                  />
                </div>
              </section>
            )}

            <section>
              <h2 className="text-2xl font-serif font-bold mb-4 flex items-center gap-2">
                <span className="w-1 h-6 bg-secondary rounded-full"></span>
                家族关系
              </h2>
              <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
                <div className="bg-card p-4 rounded-lg border border-border">
                  <h3 className="font-medium text-muted-foreground mb-2 text-sm uppercase tracking-wider">
                    父亲 (Father)
                  </h3>
                  {member.fatherId ? (
                    <Link
                      href={`/members/${member.fatherId}`}
                      className="text-lg font-serif font-bold hover:underline text-primary"
                    >
                      {getMember(member.fatherId)?.fullName || member.fatherId}
                    </Link>
                  ) : member.spouseFatherName ? (
                    <span className="text-lg font-serif font-bold text-foreground">
                      {member.spouseFatherName}
                    </span>
                  ) : (
                    <span className="text-muted-foreground">-</span>
                  )}
                </div>
                <div className="bg-card p-4 rounded-lg border border-border">
                  <h3 className="font-medium text-muted-foreground mb-2 text-sm uppercase tracking-wider">
                    母亲 (Mother)
                  </h3>
                  {member.motherId ? (
                    <Link
                      href={`/members/${member.motherId}`}
                      className="text-lg font-serif font-bold hover:underline text-primary"
                    >
                      {getMember(member.motherId)?.fullName || member.motherId}
                    </Link>
                  ) : member.spouseMotherName ? (
                    <span className="text-lg font-serif font-bold text-foreground">
                      {member.spouseMotherName}
                    </span>
                  ) : (
                    <span className="text-muted-foreground">-</span>
                  )}
                </div>
                <div className="bg-card p-4 rounded-lg border border-border">
                  <h3 className="font-medium text-muted-foreground mb-2 text-sm uppercase tracking-wider">
                    配偶 (Spouse)
                  </h3>
                  <div className="flex flex-wrap gap-2">
                    {member.spouseIds?.length > 0 ? (
                      member.spouseIds.map((spouseId) => (
                        <Link
                          href={`/members/${spouseId}`}
                          key={spouseId}
                          className="px-3 py-1 bg-muted rounded hover:bg-muted/80 text-sm font-medium"
                        >
                          {getMember(spouseId)?.fullName || spouseId}
                        </Link>
                      ))
                    ) : (
                      <span className="text-muted-foreground">无记录</span>
                    )}
                  </div>
                </div>
                <div className="bg-card p-4 rounded-lg border border-border">
                  <h3 className="font-medium text-muted-foreground mb-2 text-sm uppercase tracking-wider">
                    子女 (Children)
                  </h3>
                  <div className="flex flex-wrap gap-2">
                    {member.childrenIds?.length > 0 ? (
                      member.childrenIds.map((childId) => (
                        <Link
                          href={`/members/${childId}`}
                          key={childId}
                          className="px-3 py-1 bg-muted rounded hover:bg-muted/80 text-sm font-medium"
                        >
                          {getMember(childId)?.fullName || childId}
                        </Link>
                      ))
                    ) : (
                      <span className="text-muted-foreground">无记录</span>
                    )}
                  </div>
                </div>
              </div>
            </section>
          </div>

          {/* Sidebar Info */}
          <div className="space-y-6">
            <div className="bg-card rounded-lg border border-border p-6 shadow-sm">
              <h3 className="font-serif font-bold text-lg mb-4 border-b border-border pb-2">详细信息</h3>
              <dl className="space-y-4 text-sm">
                <div>
                  <dt className="text-muted-foreground">出生日期</dt>
                  <dd className="font-medium">{member.birthDate || "-"}</dd>
                </div>
                {member.deathDate && (
                  <>
                    <div>
                      <dt className="text-muted-foreground">逝世日期</dt>
                      <dd className="font-medium">{member.deathDate}</dd>
                    </div>
                    <div>
                      <dt className="text-muted-foreground">谥号</dt>
                      <dd className="font-medium">{member.posthumousName || "-"}</dd>
                    </div>
                    <div>
                      <dt className="text-muted-foreground">墓地</dt>
                      <dd className="font-medium">{member.burialPlace || "-"}</dd>
                    </div>
                  </>
                )}
                {member.generationName && (
                  <div>
                    <dt className="text-muted-foreground">字辈</dt>
                    <dd className="font-medium">{member.generationName}</dd>
                  </div>
                )}
              </dl>
            </div>
            
            {/* 联系方式 */}
            {(member.phone || member.telephone || member.email || member.address) && (
              <div className="bg-card rounded-lg border border-border p-6 shadow-sm">
                <h3 className="font-serif font-bold text-lg mb-4 border-b border-border pb-2">联系方式</h3>
                <dl className="space-y-4 text-sm">
                  {member.phone && (
                    <div>
                      <dt className="text-muted-foreground">手机号</dt>
                      <dd className="font-medium">
                        <a href={`tel:${member.phone}`} className="hover:text-primary">
                          {member.phone}
                        </a>
                      </dd>
                    </div>
                  )}
                  {member.telephone && (
                    <div>
                      <dt className="text-muted-foreground">固定电话</dt>
                      <dd className="font-medium">
                        <a href={`tel:${member.telephone}`} className="hover:text-primary">
                          {member.telephone}
                        </a>
                      </dd>
                    </div>
                  )}
                  {member.email && (
                    <div>
                      <dt className="text-muted-foreground">邮箱</dt>
                      <dd className="font-medium">
                        <a href={`mailto:${member.email}`} className="hover:text-primary">
                          {member.email}
                        </a>
                      </dd>
                    </div>
                  )}
                  {member.address && (
                    <div>
                      <dt className="text-muted-foreground">现居地址</dt>
                      <dd className="font-medium">{member.address}</dd>
                    </div>
                  )}
                </dl>
              </div>
            )}
          </div>
        </div>
      </main>
    </div>
  )
}