export const emptyChatHistoryResponse = {
  messages: [],
  total: 0,
  limit: 50,
  offset: 0,
  isVip: false,
  privateFreeLimit: 0,
  privateUsedToday: 0,
  privateCanViewFree: false,
};

export const emptyChatPreviewsResponse = { items: [] };

export const chatSendResponse = {
  reply: "Hello from the E2E boyfriend.",
  audioUrl: "",
  messageId: "msg_e2e_reply_001",
  isGuest: true,
  timestamp: 1_782_356_425_363,
  image: { type: null, url: null },
  lockDetail: {
    locked: false,
    showContent: true,
    showUpgrade: false,
    reason: null,
    hint: null,
    detail: null,
  },
};

export function createChatSendResponse(sendCount: number) {
  return {
    ...chatSendResponse,
    reply: `Hello from the E2E boyfriend. Reply ${sendCount}.`,
    messageId: `msg_e2e_reply_${String(sendCount).padStart(3, "0")}`,
    timestamp: chatSendResponse.timestamp + sendCount,
  };
}

export function createWeeklyLimitChatSendResponse(
  usedMessageCount: number,
  limit: number,
) {
  return {
    reply: "",
    audioUrl: "",
    messageId: "",
    isGuest: true,
    canSendMessage: false,
    cannotSendReason: "insufficient_credits",
    creditBalance: 0,
    creditsCharged: 0,
    requiredCredits: limit,
    shortfallCredits: Math.max(0, limit - usedMessageCount),
    timestamp: chatSendResponse.timestamp + usedMessageCount,
    image: { type: null, url: null },
    lockDetail: {
      locked: true,
      showContent: false,
      showUpgrade: true,
      reason: "weekly_limit",
      hint: "Free message limit reached.",
      detail: { type: "weekly_msg_limit", usedThisWeek: usedMessageCount, limit },
    },
  };
}

export const paidImageMessageId = "msg_photo_paywall_001";
export const paidImageDisplayMessageId = `server:${paidImageMessageId}:assistant`;
export const paidImageUrl =
  "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/x8AAwMCAO+/p9sAAAAASUVORK5CYII=";
export const paidImageChatSendResponse = {
  reply: "I can show you that photo after you activate VIP.",
  audioUrl: "",
  messageId: paidImageMessageId,
  isGuest: true,
  timestamp: 1_782_180_725_000,
  image: { type: "elio_schedule", url: null },
  lockDetail: { locked: true, showContent: true, showUpgrade: true, reason: "image", hint: "Activate VIP to unlock the full photo.", detail: null },
};

export function createPaidImageHistoryResponse(unlocked: boolean) {
  return {
    messages: [{ role: "assistant", type: "image", content: unlocked ? "" : paidImageChatSendResponse.reply, id: paidImageMessageId, created_at: "2026-06-30T00:00:00.000Z", audioUrl: null, image: { type: "elio_schedule", url: unlocked ? paidImageUrl : null }, lockDetail: unlocked ? { locked: false, showContent: true, showUpgrade: false, reason: null, hint: null, detail: null } : paidImageChatSendResponse.lockDetail }],
    total: 1, limit: 50, offset: 0, isVip: unlocked, privateFreeLimit: 0, privateUsedToday: 0, privateCanViewFree: false,
  };
}

export const paidImageUnlockHistoryResponse = {
  unlocked: true, reason: "ok", totalLocked: 1, unlockedCount: 1, privateCount: 0, imageCount: 1, voiceCount: 0,
  requiredCredits: 0, currentCredits: 0, remainingCredits: 0, shortfallCredits: 0,
  costsByMessage: { [paidImageMessageId]: 0 }, messageIds: [paidImageMessageId],
};

export const paidVoiceMessageId = "msg_voice_paywall_001";
export const paidVoiceAudioUrl = "data:audio/mpeg;base64,//uQZAAAAAAAAAAAAAAAAAAAAAAAWGluZwAAAA8AAAACAAACcQCA";
export const paidVoiceHistoryResponse = {
  messages: [{ role: "assistant", type: "voice", content: "", id: paidVoiceMessageId, created_at: "2026-07-01T00:00:00.000Z", audioUrl: paidVoiceAudioUrl, image: { type: null, url: null }, lockDetail: { locked: true, showContent: true, showUpgrade: true, reason: "voice_message", hint: "Unlock this voice message with credits.", detail: null } }],
  total: 1, limit: 50, offset: 0, isVip: false, privateFreeLimit: 0, privateUsedToday: 0, privateCanViewFree: false,
};

export const insufficientCreditsUnlockVoiceResponse = {
  unlocked: false, content: "", reason: "insufficient_balance", creditBalance: 3, creditsCharged: 0, requiredCredits: 20, shortfallCredits: 17,
  lockDetail: paidVoiceHistoryResponse.messages[0].lockDetail,
};
export const insufficientCreditsUnlockImageResponse = {
  unlocked: false, content: "", reason: "insufficient_balance", creditBalance: 3, creditsCharged: 0, requiredCredits: 30, shortfallCredits: 27,
  lockDetail: { locked: true, showContent: true, showUpgrade: true, reason: "image", hint: "Unlock this high-definition image with credits.", detail: null },
};