/**
 * Workspace file defaults.
 *
 * Default content for SOUL.md, AGENTS.md, and TOOLS.md is stored in the
 * `workspace_templates` database table so it can be edited without redeploying.
 *
 * TOOLS.md is always auto-generated:
 *   base template from DB  +  per-package tool sections appended dynamically.
 */

import { getWorkspaceTemplate } from "./db";
import { PACKAGE_CATALOG } from "./packages";

// ── Hardcoded fallbacks (used only if DB templates are missing) ─────────────

const FALLBACK_SOUL = `# AI Assistant

You are a helpful AI assistant. You are professional, concise, and friendly.

## Guidelines
- Answer questions accurately and helpfully
- If you don't know something, say so
- Keep responses clear and to the point
- Respect privacy and confidentiality
`;

const FALLBACK_AGENTS = `# Agents

On session start, read the following workspace files in order:
1. SOUL.md — your personality and behavioural guidelines
2. TOOLS.md — available tools and how to use them
3. USER.md — information about the current user (if present)

Follow the instructions in SOUL.md for every interaction.
`;

const FALLBACK_TOOLS = `# Tools

The following tools are available to you as an AI assistant.

## LLM
You have access to a large language model for text generation, summarisation,
translation, and general question answering.
`;

// ── Per-package TOOLS.md appendices ─────────────────────────────────────────

const PACKAGE_TOOL_SECTIONS: Record<string, string> = {
  "web-search": `
## Web Search (SearXNG)
You can search the web using the integrated SearXNG instance.
Use this to find current information, verify facts, or research topics
that go beyond your training data.
`,
  "document-processing": `
## Document Processing
You can parse, summarise, and extract information from uploaded documents
including PDF, DOCX, XLSX, and plain text files.
`,
  telegram: `
## Telegram
You are connected to a Telegram bot. Messages from users arrive as chat
messages. Respond naturally and follow the guidelines in SOUL.md.
`,
  discord: `
## Discord
You are connected to a Discord bot. Messages from server members arrive
as chat messages. Respond naturally and follow the guidelines in SOUL.md.
`,
  email: `
## Email
You can send and receive email. Use this to respond to enquiries,
send notifications, or process incoming messages according to SOUL.md.
`,
};

// ── Public API ──────────────────────────────────────────────────────────────

/**
 * Fetch the default SOUL.md content.
 * Substitutes {company} with the given org name.
 */
export async function getDefaultSoulMd(orgName: string): Promise<string> {
  const tpl = await getWorkspaceTemplate("SOUL.md");
  const content = tpl ?? FALLBACK_SOUL;
  return content.replace(/\{company\}/g, orgName);
}

/**
 * Fetch the default AGENTS.md content.
 */
export async function getDefaultAgentsMd(): Promise<string> {
  const tpl = await getWorkspaceTemplate("AGENTS.md");
  return tpl ?? FALLBACK_AGENTS;
}

/**
 * Build the TOOLS.md content for a given set of enabled packages.
 * Base template from DB (or fallback) + per-package appendices.
 */
export async function generateToolsMd(
  enabledPackages: string[]
): Promise<string> {
  const base = (await getWorkspaceTemplate("TOOLS.md")) ?? FALLBACK_TOOLS;

  const sections = enabledPackages
    .filter((id) => PACKAGE_TOOL_SECTIONS[id])
    .map((id) => PACKAGE_TOOL_SECTIONS[id]);

  return [base.trimEnd(), ...sections].join("\n");
}