import type { OpenClawPluginApi } from "openclaw/plugin-sdk";
import type { ChannelPolicy, DirigentConfig } from "../rules.js";

type DiscordControlAction = "channel-private-create" | "channel-private-update" | "member-list";

type ToolDeps = {
  api: OpenClawPluginApi;
  baseConfig: DirigentConfig;
  policyState: { filePath: string; channelPolicies: Record<string, ChannelPolicy> };
  pickDefined: (obj: Record<string, unknown>) => Record<string, unknown>;
  persistPolicies: (api: OpenClawPluginApi) => void;
  ensurePolicyStateLoaded: (api: OpenClawPluginApi, config: DirigentConfig) => void;
  getLivePluginConfig: (api: OpenClawPluginApi, fallback: DirigentConfig) => DirigentConfig;
};

export function registerDirigentTools(deps: ToolDeps): void {
  const { api, baseConfig, policyState, pickDefined, persistPolicies, ensurePolicyStateLoaded, getLivePluginConfig } = deps;

  async function executeDiscordAction(action: DiscordControlAction, params: Record<string, unknown>) {
    const live = getLivePluginConfig(api, baseConfig as DirigentConfig) as DirigentConfig & {
      discordControlApiBaseUrl?: string;
      discordControlApiToken?: string;
      discordControlCallerId?: string;
      enableDiscordControlTool?: boolean;
    };
    if (live.enableDiscordControlTool === false) {
      return { content: [{ type: "text", text: "discord actions disabled by config" }], isError: true };
    }
    const baseUrl = (live.discordControlApiBaseUrl || "http://127.0.0.1:8790").replace(/\/$/, "");
    const body = pickDefined({ ...params, action });
    const headers: Record<string, string> = { "Content-Type": "application/json" };
    if (live.discordControlApiToken) headers.Authorization = `Bearer ${live.discordControlApiToken}`;
    if (live.discordControlCallerId) headers["X-OpenClaw-Caller-Id"] = live.discordControlCallerId;
    const r = await fetch(`${baseUrl}/v1/discord/action`, {
      method: "POST",
      headers,
      body: JSON.stringify(body),
    });
    const text = await r.text();
    if (!r.ok) {
      return { content: [{ type: "text", text: `discord action failed (${r.status}): ${text}` }], isError: true };
    }
    return { content: [{ type: "text", text }] };
  }

  api.registerTool(
    {
      name: "dirigent_discord_channel_create",
      description: "Create a private Discord channel with specific user/role permissions.",
      parameters: {
        type: "object",
        additionalProperties: false,
        properties: {
          guildId: { type: "string" },
          name: { type: "string" },
          type: { type: "number" },
          parentId: { type: "string" },
          topic: { type: "string" },
          position: { type: "number" },
          nsfw: { type: "boolean" },
          allowedUserIds: { type: "array", items: { type: "string" } },
          allowedRoleIds: { type: "array", items: { type: "string" } },
          allowMask: { type: "string" },
          denyEveryoneMask: { type: "string" },
        },
        required: [],
      },
      async execute(_id: string, params: Record<string, unknown>) {
        return executeDiscordAction("channel-private-create", params);
      },
    },
    { optional: false },
  );

  api.registerTool(
    {
      name: "dirigent_discord_channel_update",
      description: "Update permissions on an existing private Discord channel.",
      parameters: {
        type: "object",
        additionalProperties: false,
        properties: {
          channelId: { type: "string" },
          mode: { type: "string", enum: ["merge", "replace"] },
          addUserIds: { type: "array", items: { type: "string" } },
          addRoleIds: { type: "array", items: { type: "string" } },
          removeTargetIds: { type: "array", items: { type: "string" } },
          allowMask: { type: "string" },
          denyMask: { type: "string" },
        },
        required: [],
      },
      async execute(_id: string, params: Record<string, unknown>) {
        return executeDiscordAction("channel-private-update", params);
      },
    },
    { optional: false },
  );

  api.registerTool(
    {
      name: "dirigent_discord_member_list",
      description: "List members of a Discord guild.",
      parameters: {
        type: "object",
        additionalProperties: false,
        properties: {
          guildId: { type: "string" },
          limit: { type: "number" },
          after: { type: "string" },
          fields: { anyOf: [{ type: "string" }, { type: "array", items: { type: "string" } }] },
        },
        required: [],
      },
      async execute(_id: string, params: Record<string, unknown>) {
        return executeDiscordAction("member-list", params);
      },
    },
    { optional: false },
  );

  api.registerTool(
    {
      name: "dirigent_policy_get",
      description: "Get all Dirigent channel policies.",
      parameters: { type: "object", additionalProperties: false, properties: {}, required: [] },
      async execute() {
        const live = getLivePluginConfig(api, baseConfig as DirigentConfig) as DirigentConfig & { enableDirigentPolicyTool?: boolean };
        if (live.enableDirigentPolicyTool === false) {
          return { content: [{ type: "text", text: "policy actions disabled by config" }], isError: true };
        }
        ensurePolicyStateLoaded(api, live);
        return {
          content: [{ type: "text", text: JSON.stringify({ file: policyState.filePath, policies: policyState.channelPolicies }, null, 2) }],
        };
      },
    },
    { optional: false },
  );

  api.registerTool(
    {
      name: "dirigent_policy_set",
      description: "Set or update a Dirigent channel policy.",
      parameters: {
        type: "object",
        additionalProperties: false,
        properties: {
          channelId: { type: "string" },
          listMode: { type: "string", enum: ["human-list", "agent-list"] },
          humanList: { type: "array", items: { type: "string" } },
          agentList: { type: "array", items: { type: "string" } },
          endSymbols: { type: "array", items: { type: "string" } },
        },
        required: ["channelId"],
      },
      async execute(_id: string, params: Record<string, unknown>) {
        const live = getLivePluginConfig(api, baseConfig as DirigentConfig) as DirigentConfig & { enableDirigentPolicyTool?: boolean };
        if (live.enableDirigentPolicyTool === false) {
          return { content: [{ type: "text", text: "policy actions disabled by config" }], isError: true };
        }
        ensurePolicyStateLoaded(api, live);
        const channelId = String(params.channelId || "").trim();
        if (!channelId) return { content: [{ type: "text", text: "channelId is required" }], isError: true };
        const prev = JSON.parse(JSON.stringify(policyState.channelPolicies));
        try {
          const next: ChannelPolicy = {
            listMode: (params.listMode as "human-list" | "agent-list" | undefined) || undefined,
            humanList: Array.isArray(params.humanList) ? (params.humanList as string[]) : undefined,
            agentList: Array.isArray(params.agentList) ? (params.agentList as string[]) : undefined,
            endSymbols: Array.isArray(params.endSymbols) ? (params.endSymbols as string[]) : undefined,
          };
          policyState.channelPolicies[channelId] = pickDefined(next as unknown as Record<string, unknown>) as ChannelPolicy;
          persistPolicies(api);
          return { content: [{ type: "text", text: JSON.stringify({ ok: true, channelId, policy: policyState.channelPolicies[channelId] }) }] };
        } catch (err) {
          policyState.channelPolicies = prev;
          return { content: [{ type: "text", text: `persist failed: ${String(err)}` }], isError: true };
        }
      },
    },
    { optional: false },
  );

  api.registerTool(
    {
      name: "dirigent_policy_delete",
      description: "Delete a Dirigent channel policy.",
      parameters: {
        type: "object",
        additionalProperties: false,
        properties: {
          channelId: { type: "string" },
        },
        required: ["channelId"],
      },
      async execute(_id: string, params: Record<string, unknown>) {
        const live = getLivePluginConfig(api, baseConfig as DirigentConfig) as DirigentConfig & { enableDirigentPolicyTool?: boolean };
        if (live.enableDirigentPolicyTool === false) {
          return { content: [{ type: "text", text: "policy actions disabled by config" }], isError: true };
        }
        ensurePolicyStateLoaded(api, live);
        const channelId = String(params.channelId || "").trim();
        if (!channelId) return { content: [{ type: "text", text: "channelId is required" }], isError: true };
        const prev = JSON.parse(JSON.stringify(policyState.channelPolicies));
        try {
          delete policyState.channelPolicies[channelId];
          persistPolicies(api);
          return { content: [{ type: "text", text: JSON.stringify({ ok: true, channelId, deleted: true }) }] };
        } catch (err) {
          policyState.channelPolicies = prev;
          return { content: [{ type: "text", text: `persist failed: ${String(err)}` }], isError: true };
        }
      },
    },
    { optional: false },
  );
}