import {
  Camera,
  Coins,
  History,
  KeyRound,
  MessageCircle,
  Pencil,
  Settings,
  Ticket,
  UserRound,
} from 'lucide-react';
import { useCallback, useRef, useState } from 'react';

import profileClockImage from '../../../media/profile/_Image (1).png';
import profileGamepadImage from '../../../media/profile/_Image (2).png';
import profileStillLifeImage from '../../../media/profile/_Image (3).png';
import profileCoinsImage from '../../../media/profile/_Image (4).png';
import profileGiftImage from '../../../media/profile/_Image (6).png';
import profileCommunityImage from '../../../media/profile/_Image (7).png';
import profileFeedbackImage from '../../../media/profile/_Image (8).png';
import profileMascotImage from '../../../media/profile/_Image (9).png';
import profilePointImage from '../../../media/profile/_Image.png';
import type { AuthUser } from '../../../packages/shared/src/contracts/auth';
import type { ProfileDashboardSummary } from '../../../packages/shared/src/contracts/runtime';
import { updateAuthProfile } from '../../services/authService';
import {
  canUseNativeHostCapability,
  type HostFileImportImageResult,
  importHostImageFile,
} from '../../services/host-bridge/hostBridge';
import { CopyFeedbackButton } from '../common/CopyFeedbackButton';
import { LegalDocumentModal } from '../common/LegalDocumentModal';
import {
  getLegalDocument,
  type LegalDocumentId,
} from '../common/legalDocuments';
import { PlatformActionButton } from '../common/PlatformActionButton';
import { PlatformIconButton } from '../common/PlatformIconButton';
import { PlatformStatusMessage } from '../common/PlatformStatusMessage';
import { PlatformTextField } from '../common/PlatformTextField';
import { SquareImageCropModal } from '../common/SquareImageCropModal';
import {
  buildCenteredSquareImageCropRect,
  clampSquareImageCropRect,
  type SquareImageCropRect,
} from '../common/squareImageCropModel';
import { useCopyFeedback } from '../common/useCopyFeedback';
import { resolveActivePublicUserCode } from './platformActiveProfileModel';
import { PlatformProfileModalShell } from './PlatformProfileModalShell';
import {
  ProfileLegalSection,
  ProfileSettingsRow,
  ProfileShortcutButton,
  ProfileStatCard,
  ProfileStatCardSkeleton,
} from './PlatformProfilePrimitives';

type PlatformActiveProfileViewProps = {
  dashboard: ProfileDashboardSummary | null;
  isLoadingDashboard: boolean;
  onLogin: () => void;
  onOpenApiKeys: () => void;
  onOpenCommunity: () => void;
  onOpenFeedback: () => void;
  onOpenRecharge: () => void;
  onOpenRewardCode: () => void;
  onOpenSettings: () => void;
  onOpenWalletLedger: () => void;
  onUserUpdated: (user: AuthUser) => void;
  user: AuthUser | null | undefined;
};

const AVATAR_MAX_FILE_SIZE = 5 * 1024 * 1024;
const AVATAR_OUTPUT_SIZE = 256;
const AVATAR_ALLOWED_TYPES = new Set(['image/jpeg', 'image/png', 'image/webp']);

function hostAvatarImageResultToFile(result: HostFileImportImageResult) {
  const binary = atob(result.base64Data);
  const bytes = new Uint8Array(binary.length);
  for (let index = 0; index < binary.length; index += 1) {
    bytes[index] = binary.charCodeAt(index);
  }

  return new File([bytes], result.fileName, { type: result.mimeType });
}

function validateProfileDisplayName(value: string) {
  const normalized = value.trim();
  if (!normalized) {
    return '请输入昵称';
  }
  const length = Array.from(normalized).length;
  if (length < 2 || length > 20) {
    return '昵称需要 2 到 20 位';
  }
  if (!/^[\u4e00-\u9fffa-zA-Z0-9_]+$/u.test(normalized)) {
    return '昵称仅支持中文、英文、数字和下划线';
  }

  return null;
}

function readImageIntrinsicSize(src: string) {
  return new Promise<{ width: number; height: number }>((resolve, reject) => {
    const image = new Image();
    image.onload = () => {
      resolve({
        width: image.naturalWidth,
        height: image.naturalHeight,
      });
    };
    image.onerror = () => reject(new Error('图片读取失败'));
    image.src = src;
  });
}

function loadAvatarFile(file: File) {
  return new Promise<string>((resolve, reject) => {
    const reader = new FileReader();
    reader.onload = () => {
      if (typeof reader.result !== 'string') {
        reject(new Error('图片读取失败'));
        return;
      }
      resolve(reader.result);
    };
    reader.onerror = () => reject(new Error('图片读取失败'));
    reader.readAsDataURL(file);
  });
}

function cropAvatarImage(params: {
  source: string;
  cropX: number;
  cropY: number;
  cropSize: number;
}) {
  return new Promise<string>((resolve, reject) => {
    const image = new Image();
    image.onload = () => {
      const canvas = document.createElement('canvas');
      canvas.width = AVATAR_OUTPUT_SIZE;
      canvas.height = AVATAR_OUTPUT_SIZE;
      const context = canvas.getContext('2d');
      if (!context) {
        reject(new Error('头像裁剪失败'));
        return;
      }

      context.drawImage(
        image,
        params.cropX,
        params.cropY,
        params.cropSize,
        params.cropSize,
        0,
        0,
        AVATAR_OUTPUT_SIZE,
        AVATAR_OUTPUT_SIZE,
      );
      resolve(canvas.toDataURL('image/png'));
    };
    image.onerror = () => reject(new Error('头像裁剪失败'));
    image.src = params.source;
  });
}

function ProfileNicknameModal({
  value,
  error,
  isSaving,
  onChange,
  onClose,
  onSubmit,
}: {
  value: string;
  error: string | null;
  isSaving: boolean;
  onChange: (value: string) => void;
  onClose: () => void;
  onSubmit: () => void;
}) {
  return (
    <PlatformProfileModalShell
      title="修改昵称"
      onClose={onClose}
      closeLabel="关闭昵称修改"
      closeVariant="profileCompact"
      panelClassName="platform-remap-surface !max-w-sm rounded-[1.4rem]"
      bodyClassName="px-5 py-5"
      footerClassName="grid grid-cols-2 gap-3 px-5 pb-5 pt-0 sm:px-5"
      footer={
        <>
          <PlatformActionButton tone="secondary" onClick={onClose}>
            取消
          </PlatformActionButton>
          <PlatformActionButton onClick={onSubmit} disabled={isSaving}>
            {isSaving ? '保存中' : '保存'}
          </PlatformActionButton>
        </>
      }
    >
      <label className="block">
        <span className="sr-only">新昵称</span>
        <PlatformTextField
          autoFocus
          value={value}
          onChange={(event) => onChange(event.target.value)}
          onKeyDown={(event) => {
            if (event.key === 'Enter') {
              event.preventDefault();
              onSubmit();
            }
          }}
          maxLength={20}
          surface="editorDark"
          size="lg"
          density="roomy"
          className="rounded-2xl border-white/12 bg-white/10 text-[var(--platform-text-strong)] focus:border-[var(--platform-surface-hover-border)]"
          placeholder="输入新昵称"
        />
      </label>
      {error ? (
        <PlatformStatusMessage
          tone="error"
          surface="tinted"
          className="mt-3 rounded-2xl border-rose-400/25 text-rose-600"
        >
          {error}
        </PlatformStatusMessage>
      ) : null}
    </PlatformProfileModalShell>
  );
}

function formatDashboardCount(value: number) {
  return Math.max(0, Math.round(value)).toLocaleString('zh-CN');
}

function formatTotalPlayTime(value: number) {
  const hours = Math.max(0, Math.round(value / 360000) / 10);
  return `${hours.toLocaleString('zh-CN', {
    maximumFractionDigits: 1,
  })}小时`;
}

export function PlatformActiveProfileView({
  dashboard,
  isLoadingDashboard,
  onLogin,
  onOpenApiKeys,
  onOpenCommunity,
  onOpenFeedback,
  onOpenRecharge,
  onOpenRewardCode,
  onOpenSettings,
  onOpenWalletLedger,
  onUserUpdated,
  user,
}: PlatformActiveProfileViewProps) {
  const [activeLegalDocumentId, setActiveLegalDocumentId] =
    useState<LegalDocumentId | null>(null);
  const { copyState, copyText } = useCopyFeedback();
  const avatarFileInputRef = useRef<HTMLInputElement | null>(null);
  const [isNicknameModalOpen, setIsNicknameModalOpen] = useState(false);
  const [nicknameInput, setNicknameInput] = useState('');
  const [nicknameError, setNicknameError] = useState<string | null>(null);
  const [isSavingNickname, setIsSavingNickname] = useState(false);
  const [avatarSource, setAvatarSource] = useState<string | null>(null);
  const [avatarImageSize, setAvatarImageSize] = useState<{
    width: number;
    height: number;
  } | null>(null);
  const [avatarCrop, setAvatarCrop] = useState<SquareImageCropRect>({
    x: 0,
    y: 0,
    size: 1,
  });
  const [avatarError, setAvatarError] = useState<string | null>(null);
  const [isSavingAvatar, setIsSavingAvatar] = useState(false);
  const activeLegalDocument = activeLegalDocumentId
    ? getLegalDocument(activeLegalDocumentId)
    : null;

  const openNicknameModal = () => {
    if (!user) {
      onLogin();
      return;
    }
    setNicknameInput(user.displayName);
    setNicknameError(null);
    setIsNicknameModalOpen(true);
  };
  const submitNickname = () => {
    if (!user || isSavingNickname) {
      return;
    }
    const validationError = validateProfileDisplayName(nicknameInput);
    if (validationError) {
      setNicknameError(validationError);
      return;
    }

    setIsSavingNickname(true);
    setNicknameError(null);
    void updateAuthProfile({ displayName: nicknameInput.trim() })
      .then((nextUser) => {
        onUserUpdated(nextUser);
        setIsNicknameModalOpen(false);
      })
      .catch((error: unknown) => {
        setNicknameError(
          error instanceof Error ? error.message : '昵称保存失败',
        );
      })
      .finally(() => setIsSavingNickname(false));
  };
  const openAvatarPicker = () => {
    if (!user) {
      onLogin();
      return;
    }
    setAvatarError(null);
    if (canUseNativeHostCapability('file.importImage')) {
      void (async () => {
        try {
          const importedImageFile = await importHostImageFile();
          if (!importedImageFile) {
            return;
          }

          handleAvatarFileChange(
            hostAvatarImageResultToFile(importedImageFile),
          );
        } catch (error: unknown) {
          setAvatarError(
            error instanceof Error ? error.message : '头像图片导入失败',
          );
        }
      })();
      return;
    }
    avatarFileInputRef.current?.click();
  };
  const handleAvatarFileChange = (file: File | null) => {
    if (avatarFileInputRef.current) {
      avatarFileInputRef.current.value = '';
    }
    if (!file) {
      return;
    }
    if (!AVATAR_ALLOWED_TYPES.has(file.type)) {
      setAvatarError('头像仅支持 jpg、png、webp');
      return;
    }
    if (file.size > AVATAR_MAX_FILE_SIZE) {
      setAvatarError('头像图片不能超过 5MB');
      return;
    }

    setAvatarError(null);
    void loadAvatarFile(file)
      .then(async (source) => {
        const imageSize = await readImageIntrinsicSize(source);
        setAvatarSource(source);
        setAvatarImageSize(imageSize);
        setAvatarCrop(buildCenteredSquareImageCropRect(imageSize));
      })
      .catch((error: unknown) => {
        setAvatarError(
          error instanceof Error ? error.message : '头像图片读取失败',
        );
      });
  };
  const updateAvatarCrop = useCallback(
    (nextCrop: SquareImageCropRect) => {
      if (!avatarImageSize) {
        return;
      }
      setAvatarCrop(clampSquareImageCropRect(avatarImageSize, nextCrop));
    },
    [avatarImageSize],
  );
  const submitAvatar = () => {
    if (
      !avatarSource ||
      !avatarImageSize ||
      avatarCrop.size <= 0 ||
      isSavingAvatar
    ) {
      return;
    }

    setIsSavingAvatar(true);
    setAvatarError(null);
    void cropAvatarImage({
      source: avatarSource,
      cropX: avatarCrop.x,
      cropY: avatarCrop.y,
      cropSize: avatarCrop.size,
    })
      .then((avatarDataUrl) => updateAuthProfile({ avatarDataUrl }))
      .then((nextUser) => {
        onUserUpdated(nextUser);
        setAvatarSource(null);
        setAvatarImageSize(null);
      })
      .catch((error: unknown) => {
        setAvatarError(error instanceof Error ? error.message : '头像上传失败');
      })
      .finally(() => setIsSavingAvatar(false));
  };

  if (!user) {
    return (
      <main
        className="platform-profile-page platform-remap-surface w-full"
        aria-label="我的"
      >
        <section className="platform-profile-header">
          <img
            src={profileStillLifeImage}
            alt=""
            aria-hidden="true"
            className="platform-profile-scene-decor"
          />
          <div className="platform-profile-header__identity">
            <div className="platform-profile-header__identity-row flex min-w-0 items-center gap-4">
              <img
                src={profileMascotImage}
                alt=""
                aria-hidden="true"
                className="platform-profile-avatar h-[5.15rem] w-[5.15rem] shrink-0 rounded-full object-cover"
              />
              <div className="min-w-0">
                <div className="text-base font-black text-[var(--platform-text-strong)]">
                  尚未登录
                </div>
                <PlatformActionButton className="mt-3" onClick={onLogin}>
                  登录
                </PlatformActionButton>
              </div>
            </div>
          </div>
        </section>
      </main>
    );
  }

  const avatarUrl = user.avatarUrl?.trim() || null;
  const publicUserCode = resolveActivePublicUserCode(user);

  return (
    <main
      className="platform-profile-page platform-remap-surface w-full space-y-4 pb-2"
      aria-label="我的"
    >
      <section className="platform-profile-header">
        <img
          src={profileStillLifeImage}
          alt=""
          aria-hidden="true"
          className="platform-profile-scene-decor"
        />
        <div className="platform-profile-header__identity">
          <div className="platform-profile-header__identity-row flex min-w-0 items-center gap-4">
            <button
              type="button"
              className="platform-profile-avatar relative h-[5.15rem] w-[5.15rem] shrink-0 overflow-hidden rounded-full"
              aria-label="上传头像"
              onClick={openAvatarPicker}
            >
              {avatarUrl ? (
                <img
                  src={avatarUrl}
                  alt=""
                  className="h-full w-full object-cover"
                />
              ) : (
                <img
                  src={profileMascotImage}
                  alt=""
                  className="h-full w-full object-cover"
                />
              )}
              <span className="platform-profile-camera absolute bottom-0 right-0 flex h-7 w-7 items-center justify-center rounded-full">
                <Camera className="h-3.5 w-3.5" aria-hidden="true" />
              </span>
            </button>
            <input
              ref={avatarFileInputRef}
              type="file"
              aria-label="上传头像"
              accept="image/jpeg,image/png,image/webp"
              className="hidden"
              onChange={(event) =>
                handleAvatarFileChange(event.target.files?.[0] ?? null)
              }
            />
            <div className="platform-profile-header__text min-w-0">
              <div className="flex items-center gap-2">
                <div className="truncate text-[18px] font-black leading-tight text-[var(--platform-text-strong)]">
                  {user.displayName}
                </div>
                <PlatformIconButton
                  label="修改昵称"
                  icon={<Pencil className="h-3.5 w-3.5" />}
                  onClick={openNicknameModal}
                  className="platform-profile-edit-button"
                />
              </div>
              <div className="mt-2 flex flex-wrap items-center gap-2 text-[12px] text-[var(--platform-text-base)]">
                <span>陶泥号： {publicUserCode}</span>
                <CopyFeedbackButton
                  state={copyState}
                  idleLabel="复制"
                  showIcon={false}
                  className="platform-profile-copy-button"
                  onClick={() => {
                    void copyText(publicUserCode);
                  }}
                />
              </div>
            </div>
          </div>
        </div>
      </section>

      <section className="platform-profile-stats-panel" aria-label="我的数据">
        <div className="platform-profile-stats-grid grid grid-cols-3 gap-3">
          {isLoadingDashboard ? (
            <>
              <ProfileStatCardSkeleton />
              <ProfileStatCardSkeleton />
              <ProfileStatCardSkeleton />
            </>
          ) : (
            <>
              <ProfileStatCard
                cardKey="wallet"
                label="泥点余额"
                value={
                  dashboard
                    ? formatDashboardCount(dashboard.walletBalance)
                    : '暂不可用'
                }
                icon={Coins}
                imageSrc={profilePointImage}
                onClick={onOpenWalletLedger}
              />
              <ProfileStatCard
                cardKey="playTime"
                label="累计游戏时长"
                value={
                  dashboard
                    ? formatTotalPlayTime(dashboard.totalPlayTimeMs)
                    : '暂不可用'
                }
                icon={History}
                imageSrc={profileClockImage}
              />
              <ProfileStatCard
                cardKey="playedWorks"
                label="已玩游戏数量"
                value={
                  dashboard
                    ? `${formatDashboardCount(dashboard.playedWorldCount)}个`
                    : '暂不可用'
                }
                icon={UserRound}
                imageSrc={profileGamepadImage}
              />
            </>
          )}
        </div>
      </section>

      <section
        className="platform-profile-shortcut-panel"
        aria-label="常用功能"
      >
        <div className="platform-profile-shortcut-grid grid w-full grid-cols-4">
          <ProfileShortcutButton
            label="泥点充值"
            subLabel="充值泥点"
            icon={Coins}
            imageSrc={profileCoinsImage}
            onClick={onOpenRecharge}
          />
          <ProfileShortcutButton
            label="兑换码"
            subLabel="领取福利"
            icon={Ticket}
            imageSrc={profileGiftImage}
            onClick={onOpenRewardCode}
          />
          <ProfileShortcutButton
            label="玩家社区"
            subLabel="交流心得"
            icon={MessageCircle}
            imageSrc={profileCommunityImage}
            onClick={onOpenCommunity}
          />
          <ProfileShortcutButton
            label="反馈与建议"
            subLabel="帮我们优化产品"
            icon={MessageCircle}
            imageSrc={profileFeedbackImage}
            onClick={onOpenFeedback}
          />
        </div>
      </section>

      <section
        className="platform-profile-settings-panel"
        aria-label="设置入口"
      >
        <ProfileSettingsRow
          label="通用设置"
          icon={Settings}
          onClick={onOpenSettings}
        />
        <ProfileSettingsRow
          label="开发者 API Key"
          icon={KeyRound}
          onClick={onOpenApiKeys}
        />
      </section>

      <ProfileLegalSection onOpenDocument={setActiveLegalDocumentId} />
      <LegalDocumentModal
        document={activeLegalDocument}
        open={Boolean(activeLegalDocument)}
        onClose={() => setActiveLegalDocumentId(null)}
      />
      {isNicknameModalOpen ? (
        <ProfileNicknameModal
          value={nicknameInput}
          error={nicknameError}
          isSaving={isSavingNickname}
          onChange={(value) => {
            setNicknameInput(value);
            setNicknameError(null);
          }}
          onClose={() => setIsNicknameModalOpen(false)}
          onSubmit={submitNickname}
        />
      ) : null}
      {avatarSource && avatarImageSize ? (
        <SquareImageCropModal
          source={avatarSource}
          imageSize={avatarImageSize}
          cropRect={avatarCrop}
          titleId="profile-avatar-crop-title"
          labels={{
            title: '裁剪头像',
            close: '关闭头像裁剪',
            editor: '头像裁剪操作区',
            previewAlt: '头像裁剪预览',
            cancel: '取消',
            submit: '上传',
            saving: '上传中',
          }}
          error={avatarError}
          isSaving={isSavingAvatar}
          onCropRectChange={updateAvatarCrop}
          onClose={() => {
            setAvatarSource(null);
            setAvatarImageSize(null);
            setAvatarError(null);
          }}
          onSubmit={submitAvatar}
        />
      ) : null}
      {avatarError && !avatarSource ? (
        <div className="pointer-events-none fixed left-1/2 top-5 z-[90] w-[min(92vw,22rem)] -translate-x-1/2 rounded-2xl border border-rose-400/25 bg-white px-4 py-3 text-center text-sm font-semibold text-rose-600 shadow-2xl">
          {avatarError}
        </div>
      ) : null}
    </main>
  );
}

export default PlatformActiveProfileView;