┌──────────────────────────────────────────┐
│  Application Proxy Layer                  │
│  ┌──────────┐  ┌──────────┐  ┌────────┐ │
│  │ Marketing│  │ Product  │  │ Social │ │
│  │ API Key  │  │ API Key  │  │API Key │ │
│  └────┬─────┘  └────┬─────┘  └───┬────┘ │
│       └──────────────┼────────────┘      │
│                      ▼                   │
│  ┌────────────────────────────────────┐  │
│  │ Content Filter + Budget Enforcer   │  │
│  └──────────────────┬─────────────────┘  │
└─────────────────────┼────────────────────┘
                      ▼
          Ideogram API (api.ideogram.ai)

interface TeamConfig {
  name: string;
  apiKey: string;             // Separate Ideogram API key per team
  dailyBudgetUSD: number;
  allowedStyles: string[];
  allowedModels: string[];
  maxConcurrency: number;
  contentPolicy: "strict" | "moderate" | "permissive";
}

const TEAM_CONFIGS: Record<string, TeamConfig> = {
  marketing: {
    name: "Marketing",
    apiKey: process.env.IDEOGRAM_KEY_MARKETING!,
    dailyBudgetUSD: 20,
    allowedStyles: ["DESIGN", "REALISTIC"],
    allowedModels: ["V_2", "V_2_TURBO"],
    maxConcurrency: 5,
    contentPolicy: "strict",
  },
  product: {
    name: "Product Design",
    apiKey: process.env.IDEOGRAM_KEY_PRODUCT!,
    dailyBudgetUSD: 50,
    allowedStyles: ["DESIGN", "REALISTIC", "RENDER_3D", "GENERAL"],
    allowedModels: ["V_2", "V_2_TURBO"],
    maxConcurrency: 8,
    contentPolicy: "moderate",
  },
  social: {
    name: "Social Media",
    apiKey: process.env.IDEOGRAM_KEY_SOCIAL!,
    dailyBudgetUSD: 10,
    allowedStyles: ["DESIGN", "ANIME", "GENERAL"],
    allowedModels: ["V_2_TURBO"],
    maxConcurrency: 3,
    contentPolicy: "strict",
  },
};

interface ContentCheck {
  allowed: boolean;
  reason?: string;
}

const BLOCKED_TERMS: Record<string, RegExp[]> = {
  strict: [
    /\b(competitor|trademark|brand)\b/i,
    /\b(violent|weapon|blood|gore)\b/i,
    /\b(nsfw|nude|explicit)\b/i,
  ],
  moderate: [
    /\b(nsfw|nude|explicit)\b/i,
  ],
  permissive: [],
};

function checkContentPolicy(prompt: string, policy: "strict" | "moderate" | "permissive"): ContentCheck {
  const patterns = BLOCKED_TERMS[policy] ?? [];
  for (const pattern of patterns) {
    if (pattern.test(prompt)) {
      return { allowed: false, reason: `Blocked by ${policy} policy: ${pattern.source}` };
    }
  }
  if (prompt.length > 10000) {
    return { allowed: false, reason: "Prompt exceeds 10,000 character limit" };
  }
  return { allowed: true };
}

const dailySpend = new Map<string, number>();

function trackSpend(teamId: string, model: string, numImages: number = 1) {
  const costPerImage: Record<string, number> = {
    V_2_TURBO: 0.05, V_2: 0.08, V_2A_TURBO: 0.025, V_2A: 0.04,
  };

  const cost = (costPerImage[model] ?? 0.08) * numImages;
  const current = dailySpend.get(teamId) ?? 0;
  dailySpend.set(teamId, current + cost);

  return current + cost;
}

function checkBudget(teamId: string): { allowed: boolean; remaining: number } {
  const config = TEAM_CONFIGS[teamId];
  if (!config) return { allowed: false, remaining: 0 };

  const spent = dailySpend.get(teamId) ?? 0;
  const remaining = config.dailyBudgetUSD - spent;

  return { allowed: remaining > 0, remaining };
}

// Reset daily at midnight
setInterval(() => {
  dailySpend.clear();
  console.log("Daily budget counters reset");
}, 86400000);

async function teamGenerate(
  teamId: string,
  prompt: string,
  options: { style_type?: string; model?: string; aspect_ratio?: string } = {}
) {
  const config = TEAM_CONFIGS[teamId];
  if (!config) throw new Error(`Unknown team: ${teamId}`);

  // Check content policy
  const contentCheck = checkContentPolicy(prompt, config.contentPolicy);
  if (!contentCheck.allowed) {
    throw new Error(`Content blocked: ${contentCheck.reason}`);
  }

  // Check style permission
  const style = options.style_type ?? "AUTO";
  if (style !== "AUTO" && !config.allowedStyles.includes(style)) {
    throw new Error(`Style ${style} not allowed for team ${config.name}`);
  }

  // Check model permission
  const model = options.model ?? config.allowedModels[0];
  if (!config.allowedModels.includes(model)) {
    throw new Error(`Model ${model} not allowed for team ${config.name}`);
  }

  // Check budget
  const budget = checkBudget(teamId);
  if (!budget.allowed) {
    throw new Error(`Daily budget exceeded for team ${config.name}. Remaining: $${budget.remaining.toFixed(2)}`);
  }

  // Generate using team's API key
  const response = await fetch("https://api.ideogram.ai/generate", {
    method: "POST",
    headers: {
      "Api-Key": config.apiKey,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      image_request: {
        prompt,
        model,
        style_type: style,
        aspect_ratio: options.aspect_ratio ?? "ASPECT_1_1",
        magic_prompt_option: "AUTO",
      },
    }),
  });

  if (!response.ok) throw new Error(`Ideogram API error: ${response.status}`);

  // Track spending
  trackSpend(teamId, model);

  return response.json();
}

function teamUsageReport() {
  const report = [];
  for (const [teamId, config] of Object.entries(TEAM_CONFIGS)) {
    const spent = dailySpend.get(teamId) ?? 0;
    report.push({
      team: config.name,
      dailyBudget: config.dailyBudgetUSD,
      spent: spent.toFixed(2),
      remaining: (config.dailyBudgetUSD - spent).toFixed(2),
      utilization: `${((spent / config.dailyBudgetUSD) * 100).toFixed(0)}%`,
    });
  }
  console.table(report);
  return report;
}

Quarterly key rotation process:
1. Create new API key in Ideogram dashboard for each team
2. Update secrets in your secret manager
3. Deploy with new keys to staging, verify
4. Deploy to production
5. Monitor for 48 hours
6. Delete old keys from Ideogram dashboard