"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 } from "lucide-react"
import { useState, useEffect } from "react"
import type { FamilyMember } from "@/types/family"
import { db } from "@/lib/db"

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

  const member = getMember(id as string)

  // 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 = () => {
    if (confirm("确定要删除这位成员吗？这将同时删除其关联关系。")) {
      deleteMember(member.id)
      router.push("/members")
    }
  }

  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} 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 || member.avatarUrl ? (
                <img
                  src={avatarBlobUrl || member.avatarUrl || "/placeholder.svg"}
                  alt={member.fullName}
                  className="h-full w-full object-cover"
                />
              ) : (
                <span className="text-4xl font-serif font-bold text-muted-foreground/50">{member.surname}</span>
              )}
            </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>
            </div>
          </div>

          <div className="flex gap-2">
            <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>

            <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/${member.fatherId}`}
                      className="text-lg font-serif font-bold hover:underline text-primary"
                    >
                      查看父亲资料
                    </Link>
                  ) : (
                    <span className="text-muted-foreground">-</span>
                  )}
                </div>
                <div className="bg-card p-4 rounded-lg border border-border">
                  <h3 className="font-medium text-muted-foreground mb-2 text-sm uppercase tracking-wider">
                    子女 (Children)
                  </h3>
                  <div className="flex flex-wrap gap-2">
                    {member.childrenIds?.length > 0 ? (
                      member.childrenIds.map((childId) => (
                        <Link
                          href={`/members/${childId}`}
                          key={childId}
                          className="px-3 py-1 bg-muted rounded hover:bg-muted/80 text-sm font-medium"
                        >
                          {childId} {/* In real app, fetch name */}
                        </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>
                <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">字辈</dt>
                  <dd className="font-medium">{member.generationName || "-"}</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>
              </dl>
            </div>
          </div>
        </div>
      </main>
    </div>
  )
}