import {
  codingTools,
  createEditTool,
  createReadTool,
  createWriteTool,
  readTool,
} from "@mariozechner/pi-coding-agent";
import type { OpenClawConfig } from "../config/config.js";
import type { ToolLoopDetectionConfig } from "../config/types.tools.js";
import { logWarn } from "../logger.js";
import { getPluginToolMeta } from "../plugins/tools.js";
import { isSubagentSessionKey } from "../routing/session-key.js";
import { resolveGatewayMessageChannel } from "../utils/message-channel.js";
import { resolveAgentConfig } from "./agent-scope.js";
import { createApplyPatchTool } from "./apply-patch.js";
import {
  createExecTool,
  createProcessTool,
  type ExecToolDefaults,
  type ProcessToolDefaults,
} from "./bash-tools.js";
import { listChannelAgentTools } from "./channel-tools.js";
import type { ModelAuthMode } from "./model-auth.js";
import { createOpenClawTools } from "./openclaw-tools.js";
import { wrapToolWithAbortSignal } from "./pi-tools.abort.js";
import { wrapToolWithBeforeToolCallHook } from "./pi-tools.before-tool-call.js";
import {
  isToolAllowedByPolicies,
  resolveEffectiveToolPolicy,
  resolveGroupToolPolicy,
  resolveSubagentToolPolicy,
} from "./pi-tools.policy.js";
import {
  assertRequiredParams,
  CLAUDE_PARAM_GROUPS,
  createOpenClawReadTool,
  createSandboxedEditTool,
  createSandboxedReadTool,
  createSandboxedWriteTool,
  normalizeToolParams,
  patchToolSchemaForClaudeCompatibility,
  wrapToolWorkspaceRootGuard,
  wrapToolParamNormalization,
} from "./pi-tools.read.js";
import { cleanToolSchemaForGemini, normalizeToolParameters } from "./pi-tools.schema.js";
import type { AnyAgentTool } from "./pi-tools.types.js";
import type { SandboxContext } from "./sandbox.js";
import { getSubagentDepthFromSessionStore } from "./subagent-depth.js";
import {
  applyToolPolicyPipeline,
  buildDefaultToolPolicyPipelineSteps,
} from "./tool-policy-pipeline.js";
import {
  applyOwnerOnlyToolPolicy,
  collectExplicitAllowlist,
  mergeAlsoAllowPolicy,
  resolveToolProfilePolicy,
} from "./tool-policy.js";
import { resolveWorkspaceRoot } from "./workspace-dir.js";

function isOpenAIProvider(provider?: string) {
  const normalized = provider?.trim().toLowerCase();
  return normalized === "openai" || normalized === "openai-codex";
}

function isApplyPatchAllowedForModel(params: {
  modelProvider?: string;
  modelId?: string;
  allowModels?: string[];
}) {
  const allowModels = Array.isArray(params.allowModels) ? params.allowModels : [];
  if (allowModels.length === 0) {
    return true;
  }
  const modelId = params.modelId?.trim();
  if (!modelId) {
    return false;
  }
  const normalizedModelId = modelId.toLowerCase();
  const provider = params.modelProvider?.trim().toLowerCase();
  const normalizedFull =
    provider && !normalizedModelId.includes("/")
      ? `${provider}/${normalizedModelId}`
      : normalizedModelId;
  return allowModels.some((entry) => {
    const normalized = entry.trim().toLowerCase();
    if (!normalized) {
      return false;
    }
    return normalized === normalizedModelId || normalized === normalizedFull;
  });
}

function resolveExecConfig(params: { cfg?: OpenClawConfig; agentId?: string }) {
  const cfg = params.cfg;
  const globalExec = cfg?.tools?.exec;
  const agentExec =
    cfg && params.agentId ? resolveAgentConfig(cfg, params.agentId)?.tools?.exec : undefined;
  return {
    host: agentExec?.host ?? globalExec?.host,
    security: agentExec?.security ?? globalExec?.security,
    ask: agentExec?.ask ?? globalExec?.ask,
    node: agentExec?.node ?? globalExec?.node,
    pathPrepend: agentExec?.pathPrepend ?? globalExec?.pathPrepend,
    safeBins: agentExec?.safeBins ?? globalExec?.safeBins,
    backgroundMs: agentExec?.backgroundMs ?? globalExec?.backgroundMs,
    timeoutSec: agentExec?.timeoutSec ?? globalExec?.timeoutSec,
    approvalRunningNoticeMs:
      agentExec?.approvalRunningNoticeMs ?? globalExec?.approvalRunningNoticeMs,
    cleanupMs: agentExec?.cleanupMs ?? globalExec?.cleanupMs,
    notifyOnExit: agentExec?.notifyOnExit ?? globalExec?.notifyOnExit,
    notifyOnExitEmptySuccess:
      agentExec?.notifyOnExitEmptySuccess ?? globalExec?.notifyOnExitEmptySuccess,
    applyPatch: agentExec?.applyPatch ?? globalExec?.applyPatch,
  };
}

function resolveFsConfig(params: { cfg?: OpenClawConfig; agentId?: string }) {
  const cfg = params.cfg;
  const globalFs = cfg?.tools?.fs;
  const agentFs =
    cfg && params.agentId ? resolveAgentConfig(cfg, params.agentId)?.tools?.fs : undefined;
  return {
    workspaceOnly: agentFs?.workspaceOnly ?? globalFs?.workspaceOnly,
  };
}

export function resolveToolLoopDetectionConfig(params: {
  cfg?: OpenClawConfig;
  agentId?: string;
}): ToolLoopDetectionConfig | undefined {
  const global = params.cfg?.tools?.loopDetection;
  const agent =
    params.agentId && params.cfg
      ? resolveAgentConfig(params.cfg, params.agentId)?.tools?.loopDetection
      : undefined;

  if (!agent) {
    return global;
  }
  if (!global) {
    return agent;
  }

  return {
    ...global,
    ...agent,
    detectors: {
      ...global.detectors,
      ...agent.detectors,
    },
  };
}

export const __testing = {
  cleanToolSchemaForGemini,
  normalizeToolParams,
  patchToolSchemaForClaudeCompatibility,
  wrapToolParamNormalization,
  assertRequiredParams,
} as const;

export function createOpenClawCodingTools(options?: {
  exec?: ExecToolDefaults & ProcessToolDefaults;
  messageProvider?: string;
  agentAccountId?: string;
  messageTo?: string;
  messageThreadId?: string | number;
  sandbox?: SandboxContext | null;
  sessionKey?: string;
  agentDir?: string;
  workspaceDir?: string;
  config?: OpenClawConfig;
  abortSignal?: AbortSignal;
  /**
   * Provider of the currently selected model (used for provider-specific tool quirks).
   * Example: "anthropic", "openai", "google", "openai-codex".
   */
  modelProvider?: string;
  /** Model id for the current provider (used for model-specific tool gating). */
  modelId?: string;
  /**
   * Auth mode for the current provider. We only need this for Anthropic OAuth
   * tool-name blocking quirks.
   */
  modelAuthMode?: ModelAuthMode;
  /** Current channel ID for auto-threading (Slack). */
  currentChannelId?: string;
  /** Current thread timestamp for auto-threading (Slack). */
  currentThreadTs?: string;
  /** Group id for channel-level tool policy resolution. */
  groupId?: string | null;
  /** Group channel label (e.g. #general) for channel-level tool policy resolution. */
  groupChannel?: string | null;
  /** Group space label (e.g. guild/team id) for channel-level tool policy resolution. */
  groupSpace?: string | null;
  /** Parent session key for subagent group policy inheritance. */
  spawnedBy?: string | null;
  senderId?: string | null;
  senderName?: string | null;
  senderUsername?: string | null;
  senderE164?: string | null;
  /** Reply-to mode for Slack auto-threading. */
  replyToMode?: "off" | "first" | "all";
  /** Mutable ref to track if a reply was sent (for "first" mode). */
  hasRepliedRef?: { value: boolean };
  /** If true, the model has native vision capability */
  modelHasVision?: boolean;
  /** Require explicit message targets (no implicit last-route sends). */
  requireExplicitMessageTarget?: boolean;
  /** If true, omit the message tool from the tool list. */
  disableMessageTool?: boolean;
  /** Whether the sender is an owner (required for owner-only tools). */
  senderIsOwner?: boolean;
}): AnyAgentTool[] {
  const execToolName = "exec";
  const sandbox = options?.sandbox?.enabled ? options.sandbox : undefined;
  const {
    agentId,
    globalPolicy,
    globalProviderPolicy,
    agentPolicy,
    agentProviderPolicy,
    profile,
    providerProfile,
    profileAlsoAllow,
    providerProfileAlsoAllow,
  } = resolveEffectiveToolPolicy({
    config: options?.config,
    sessionKey: options?.sessionKey,
    modelProvider: options?.modelProvider,
    modelId: options?.modelId,
  });
  const groupPolicy = resolveGroupToolPolicy({
    config: options?.config,
    sessionKey: options?.sessionKey,
    spawnedBy: options?.spawnedBy,
    messageProvider: options?.messageProvider,
    groupId: options?.groupId,
    groupChannel: options?.groupChannel,
    groupSpace: options?.groupSpace,
    accountId: options?.agentAccountId,
    senderId: options?.senderId,
    senderName: options?.senderName,
    senderUsername: options?.senderUsername,
    senderE164: options?.senderE164,
  });
  const profilePolicy = resolveToolProfilePolicy(profile);
  const providerProfilePolicy = resolveToolProfilePolicy(providerProfile);

  const profilePolicyWithAlsoAllow = mergeAlsoAllowPolicy(profilePolicy, profileAlsoAllow);
  const providerProfilePolicyWithAlsoAllow = mergeAlsoAllowPolicy(
    providerProfilePolicy,
    providerProfileAlsoAllow,
  );
  // Prefer sessionKey for process isolation scope to prevent cross-session process visibility/killing.
  // Fallback to agentId if no sessionKey is available (e.g. legacy or global contexts).
  const scopeKey =
    options?.exec?.scopeKey ?? options?.sessionKey ?? (agentId ? `agent:${agentId}` : undefined);
  const subagentPolicy =
    isSubagentSessionKey(options?.sessionKey) && options?.sessionKey
      ? resolveSubagentToolPolicy(
          options.config,
          getSubagentDepthFromSessionStore(options.sessionKey, { cfg: options.config }),
        )
      : undefined;
  const allowBackground = isToolAllowedByPolicies("process", [
    profilePolicyWithAlsoAllow,
    providerProfilePolicyWithAlsoAllow,
    globalPolicy,
    globalProviderPolicy,
    agentPolicy,
    agentProviderPolicy,
    groupPolicy,
    sandbox?.tools,
    subagentPolicy,
  ]);
  const execConfig = resolveExecConfig({ cfg: options?.config, agentId });
  const fsConfig = resolveFsConfig({ cfg: options?.config, agentId });
  const sandboxRoot = sandbox?.workspaceDir;
  const sandboxFsBridge = sandbox?.fsBridge;
  const allowWorkspaceWrites = sandbox?.workspaceAccess !== "ro";
  const workspaceRoot = resolveWorkspaceRoot(options?.workspaceDir);
  const workspaceOnly = fsConfig.workspaceOnly === true;
  const applyPatchConfig = execConfig.applyPatch;
  // Secure by default: apply_patch is workspace-contained unless explicitly disabled.
  // (tools.fs.workspaceOnly is a separate umbrella flag for read/write/edit/apply_patch.)
  const applyPatchWorkspaceOnly = workspaceOnly || applyPatchConfig?.workspaceOnly !== false;
  const applyPatchEnabled =
    !!applyPatchConfig?.enabled &&
    isOpenAIProvider(options?.modelProvider) &&
    isApplyPatchAllowedForModel({
      modelProvider: options?.modelProvider,
      modelId: options?.modelId,
      allowModels: applyPatchConfig?.allowModels,
    });

  if (sandboxRoot && !sandboxFsBridge) {
    throw new Error("Sandbox filesystem bridge is unavailable.");
  }

  const base = (codingTools as unknown as AnyAgentTool[]).flatMap((tool) => {
    if (tool.name === readTool.name) {
      if (sandboxRoot) {
        const sandboxed = createSandboxedReadTool({
          root: sandboxRoot,
          bridge: sandboxFsBridge!,
        });
        return [workspaceOnly ? wrapToolWorkspaceRootGuard(sandboxed, sandboxRoot) : sandboxed];
      }
      const freshReadTool = createReadTool(workspaceRoot);
      const wrapped = createOpenClawReadTool(freshReadTool);
      return [workspaceOnly ? wrapToolWorkspaceRootGuard(wrapped, workspaceRoot) : wrapped];
    }
    if (tool.name === "bash" || tool.name === execToolName) {
      return [];
    }
    if (tool.name === "write") {
      if (sandboxRoot) {
        return [];
      }
      // Wrap with param normalization for Claude Code compatibility
      const wrapped = wrapToolParamNormalization(
        createWriteTool(workspaceRoot),
        CLAUDE_PARAM_GROUPS.write,
      );
      return [workspaceOnly ? wrapToolWorkspaceRootGuard(wrapped, workspaceRoot) : wrapped];
    }
    if (tool.name === "edit") {
      if (sandboxRoot) {
        return [];
      }
      // Wrap with param normalization for Claude Code compatibility
      const wrapped = wrapToolParamNormalization(
        createEditTool(workspaceRoot),
        CLAUDE_PARAM_GROUPS.edit,
      );
      return [workspaceOnly ? wrapToolWorkspaceRootGuard(wrapped, workspaceRoot) : wrapped];
    }
    return [tool];
  });
  const { cleanupMs: cleanupMsOverride, ...execDefaults } = options?.exec ?? {};
  const execTool = createExecTool({
    ...execDefaults,
    host: options?.exec?.host ?? execConfig.host,
    security: options?.exec?.security ?? execConfig.security,
    ask: options?.exec?.ask ?? execConfig.ask,
    node: options?.exec?.node ?? execConfig.node,
    pathPrepend: options?.exec?.pathPrepend ?? execConfig.pathPrepend,
    safeBins: options?.exec?.safeBins ?? execConfig.safeBins,
    agentId,
    cwd: workspaceRoot,
    allowBackground,
    scopeKey,
    sessionKey: options?.sessionKey,
    messageProvider: options?.messageProvider,
    backgroundMs: options?.exec?.backgroundMs ?? execConfig.backgroundMs,
    timeoutSec: options?.exec?.timeoutSec ?? execConfig.timeoutSec,
    approvalRunningNoticeMs:
      options?.exec?.approvalRunningNoticeMs ?? execConfig.approvalRunningNoticeMs,
    notifyOnExit: options?.exec?.notifyOnExit ?? execConfig.notifyOnExit,
    notifyOnExitEmptySuccess:
      options?.exec?.notifyOnExitEmptySuccess ?? execConfig.notifyOnExitEmptySuccess,
    sandbox: sandbox
      ? {
          containerName: sandbox.containerName,
          workspaceDir: sandbox.workspaceDir,
          containerWorkdir: sandbox.containerWorkdir,
          env: sandbox.docker.env,
        }
      : undefined,
  });
  const processTool = createProcessTool({
    cleanupMs: cleanupMsOverride ?? execConfig.cleanupMs,
    scopeKey,
  });
  const applyPatchTool =
    !applyPatchEnabled || (sandboxRoot && !allowWorkspaceWrites)
      ? null
      : createApplyPatchTool({
          cwd: sandboxRoot ?? workspaceRoot,
          sandbox:
            sandboxRoot && allowWorkspaceWrites
              ? { root: sandboxRoot, bridge: sandboxFsBridge! }
              : undefined,
          workspaceOnly: applyPatchWorkspaceOnly,
        });
  const tools: AnyAgentTool[] = [
    ...base,
    ...(sandboxRoot
      ? allowWorkspaceWrites
        ? [
            workspaceOnly
              ? wrapToolWorkspaceRootGuard(
                  createSandboxedEditTool({ root: sandboxRoot, bridge: sandboxFsBridge! }),
                  sandboxRoot,
                )
              : createSandboxedEditTool({ root: sandboxRoot, bridge: sandboxFsBridge! }),
            workspaceOnly
              ? wrapToolWorkspaceRootGuard(
                  createSandboxedWriteTool({ root: sandboxRoot, bridge: sandboxFsBridge! }),
                  sandboxRoot,
                )
              : createSandboxedWriteTool({ root: sandboxRoot, bridge: sandboxFsBridge! }),
          ]
        : []
      : []),
    ...(applyPatchTool ? [applyPatchTool as unknown as AnyAgentTool] : []),
    execTool as unknown as AnyAgentTool,
    processTool as unknown as AnyAgentTool,
    // Channel docking: include channel-defined agent tools (login, etc.).
    ...listChannelAgentTools({ cfg: options?.config }),
    ...createOpenClawTools({
      sandboxBrowserBridgeUrl: sandbox?.browser?.bridgeUrl,
      allowHostBrowserControl: sandbox ? sandbox.browserAllowHostControl : true,
      agentSessionKey: options?.sessionKey,
      agentChannel: resolveGatewayMessageChannel(options?.messageProvider),
      agentAccountId: options?.agentAccountId,
      agentTo: options?.messageTo,
      agentThreadId: options?.messageThreadId,
      agentGroupId: options?.groupId ?? null,
      agentGroupChannel: options?.groupChannel ?? null,
      agentGroupSpace: options?.groupSpace ?? null,
      agentDir: options?.agentDir,
      sandboxRoot,
      sandboxFsBridge,
      workspaceDir: workspaceRoot,
      sandboxed: !!sandbox,
      config: options?.config,
      pluginToolAllowlist: collectExplicitAllowlist([
        profilePolicy,
        providerProfilePolicy,
        globalPolicy,
        globalProviderPolicy,
        agentPolicy,
        agentProviderPolicy,
        groupPolicy,
        sandbox?.tools,
        subagentPolicy,
      ]),
      currentChannelId: options?.currentChannelId,
      currentThreadTs: options?.currentThreadTs,
      replyToMode: options?.replyToMode,
      hasRepliedRef: options?.hasRepliedRef,
      modelHasVision: options?.modelHasVision,
      requireExplicitMessageTarget: options?.requireExplicitMessageTarget,
      disableMessageTool: options?.disableMessageTool,
      requesterAgentIdOverride: agentId,
    }),
  ];
  // Security: treat unknown/undefined as unauthorized (opt-in, not opt-out)
  const senderIsOwner = options?.senderIsOwner === true;
  const toolsByAuthorization = applyOwnerOnlyToolPolicy(tools, senderIsOwner);
  const subagentFiltered = applyToolPolicyPipeline({
    tools: toolsByAuthorization,
    toolMeta: (tool) => getPluginToolMeta(tool),
    warn: logWarn,
    steps: [
      ...buildDefaultToolPolicyPipelineSteps({
        profilePolicy: profilePolicyWithAlsoAllow,
        profile,
        providerProfilePolicy: providerProfilePolicyWithAlsoAllow,
        providerProfile,
        globalPolicy,
        globalProviderPolicy,
        agentPolicy,
        agentProviderPolicy,
        groupPolicy,
        agentId,
      }),
      { policy: sandbox?.tools, label: "sandbox tools.allow" },
      { policy: subagentPolicy, label: "subagent tools.allow" },
    ],
  });
  // Always normalize tool JSON Schemas before handing them to pi-agent/pi-ai.
  // Without this, some providers (notably OpenAI) will reject root-level union schemas.
  // Provider-specific cleaning: Gemini needs constraint keywords stripped, but Anthropic expects them.
  const normalized = subagentFiltered.map((tool) =>
    normalizeToolParameters(tool, { modelProvider: options?.modelProvider }),
  );
  const withHooks = normalized.map((tool) =>
    wrapToolWithBeforeToolCallHook(tool, {
      agentId,
      sessionKey: options?.sessionKey,
      loopDetection: resolveToolLoopDetectionConfig({ cfg: options?.config, agentId }),
    }),
  );
  const withAbort = options?.abortSignal
    ? withHooks.map((tool) => wrapToolWithAbortSignal(tool, options.abortSignal))
    : withHooks;

  // NOTE: Keep canonical (lowercase) tool names here.
  // pi-ai's Anthropic OAuth transport remaps tool names to Claude Code-style names
  // on the wire and maps them back for tool dispatch.
  return withAbort;
}