import type { CliBackendConfig } from "openclaw/plugin-sdk/cli-backend";
import { normalizeOptionalLowercaseString } from "openclaw/plugin-sdk/text-runtime";

export const CLAUDE_CLI_BACKEND_ID = "claude-cli";
export const CLAUDE_CLI_DEFAULT_MODEL_REF = `${CLAUDE_CLI_BACKEND_ID}/claude-opus-4-7`;
export const CLAUDE_CLI_DEFAULT_ALLOWLIST_REFS = [
  CLAUDE_CLI_DEFAULT_MODEL_REF,
  `${CLAUDE_CLI_BACKEND_ID}/claude-sonnet-4-6`,
  `${CLAUDE_CLI_BACKEND_ID}/claude-opus-4-6`,
  `${CLAUDE_CLI_BACKEND_ID}/claude-opus-4-5`,
  `${CLAUDE_CLI_BACKEND_ID}/claude-sonnet-4-5`,
  `${CLAUDE_CLI_BACKEND_ID}/claude-haiku-4-5`,
] as const;

export const CLAUDE_CLI_MODEL_ALIASES: Record<string, string> = {
  opus: "opus",
  "opus-4.7": "opus",
  "opus-4.6": "opus",
  "opus-4.5": "opus",
  "opus-4": "opus",
  "claude-opus-4-7": "opus",
  "claude-opus-4-6": "opus",
  "claude-opus-4-5": "opus",
  "claude-opus-4": "opus",
  sonnet: "sonnet",
  "sonnet-4.6": "sonnet",
  "sonnet-4.5": "sonnet",
  "sonnet-4.1": "sonnet",
  "sonnet-4.0": "sonnet",
  "claude-sonnet-4-6": "sonnet",
  "claude-sonnet-4-5": "sonnet",
  "claude-sonnet-4-1": "sonnet",
  "claude-sonnet-4-0": "sonnet",
  haiku: "haiku",
  "haiku-3.5": "haiku",
  "claude-haiku-3-5": "haiku",
};

export const CLAUDE_CLI_SESSION_ID_FIELDS = [
  "session_id",
  "sessionId",
  "conversation_id",
  "conversationId",
] as const;

// Claude Code honors provider-routing, auth, and config-root env before
// consulting its local login state, so inherited shell overrides must not
// steer OpenClaw-managed Claude CLI runs toward a different provider,
// endpoint, token source, plugin/config tree, or telemetry bootstrap mode.
export const CLAUDE_CLI_CLEAR_ENV = [
  "ANTHROPIC_API_KEY",
  "ANTHROPIC_API_KEY_OLD",
  "ANTHROPIC_API_TOKEN",
  "ANTHROPIC_AUTH_TOKEN",
  "ANTHROPIC_BASE_URL",
  "ANTHROPIC_CUSTOM_HEADERS",
  "ANTHROPIC_OAUTH_TOKEN",
  "ANTHROPIC_UNIX_SOCKET",
  "CLAUDE_CONFIG_DIR",
  "CLAUDE_CODE_API_KEY_FILE_DESCRIPTOR",
  "CLAUDE_CODE_ENTRYPOINT",
  "CLAUDE_CODE_OAUTH_REFRESH_TOKEN",
  "CLAUDE_CODE_OAUTH_SCOPES",
  "CLAUDE_CODE_OAUTH_TOKEN",
  "CLAUDE_CODE_OAUTH_TOKEN_FILE_DESCRIPTOR",
  "CLAUDE_CODE_PLUGIN_CACHE_DIR",
  "CLAUDE_CODE_PLUGIN_SEED_DIR",
  "CLAUDE_CODE_REMOTE",
  "CLAUDE_CODE_USE_COWORK_PLUGINS",
  "CLAUDE_CODE_USE_BEDROCK",
  "CLAUDE_CODE_USE_FOUNDRY",
  "CLAUDE_CODE_USE_VERTEX",
  "OTEL_EXPORTER_OTLP_ENDPOINT",
  "OTEL_EXPORTER_OTLP_HEADERS",
  "OTEL_EXPORTER_OTLP_LOGS_ENDPOINT",
  "OTEL_EXPORTER_OTLP_LOGS_HEADERS",
  "OTEL_EXPORTER_OTLP_LOGS_PROTOCOL",
  "OTEL_EXPORTER_OTLP_METRICS_ENDPOINT",
  "OTEL_EXPORTER_OTLP_METRICS_HEADERS",
  "OTEL_EXPORTER_OTLP_METRICS_PROTOCOL",
  "OTEL_EXPORTER_OTLP_PROTOCOL",
  "OTEL_EXPORTER_OTLP_TRACES_ENDPOINT",
  "OTEL_EXPORTER_OTLP_TRACES_HEADERS",
  "OTEL_EXPORTER_OTLP_TRACES_PROTOCOL",
  "OTEL_LOGS_EXPORTER",
  "OTEL_METRICS_EXPORTER",
  "OTEL_SDK_DISABLED",
  "OTEL_TRACES_EXPORTER",
] as const;

const CLAUDE_LEGACY_SKIP_PERMISSIONS_ARG = "--dangerously-skip-permissions";
const CLAUDE_PERMISSION_MODE_ARG = "--permission-mode";
const CLAUDE_BYPASS_PERMISSIONS_MODE = "bypassPermissions";
const CLAUDE_SETTING_SOURCES_ARG = "--setting-sources";
const CLAUDE_SAFE_SETTING_SOURCES = "user";

export function isClaudeCliProvider(providerId: string): boolean {
  return normalizeOptionalLowercaseString(providerId) === CLAUDE_CLI_BACKEND_ID;
}

export function normalizeClaudePermissionArgs(args?: string[]): string[] | undefined {
  if (!args) {
    return args;
  }
  const normalized: string[] = [];
  let hasPermissionMode = false;
  for (let i = 0; i < args.length; i += 1) {
    const arg = args[i];
    if (arg === CLAUDE_LEGACY_SKIP_PERMISSIONS_ARG) {
      continue;
    }
    if (arg === CLAUDE_PERMISSION_MODE_ARG) {
      const maybeValue = args[i + 1];
      if (
        typeof maybeValue === "string" &&
        maybeValue.trim().length > 0 &&
        !maybeValue.startsWith("-")
      ) {
        hasPermissionMode = true;
        normalized.push(arg);
        normalized.push(maybeValue);
        i += 1;
      }
      continue;
    }
    if (arg.startsWith(`${CLAUDE_PERMISSION_MODE_ARG}=`)) {
      hasPermissionMode = true;
    }
    normalized.push(arg);
  }
  if (!hasPermissionMode) {
    normalized.push(CLAUDE_PERMISSION_MODE_ARG, CLAUDE_BYPASS_PERMISSIONS_MODE);
  }
  return normalized;
}

export function normalizeClaudeSettingSourcesArgs(args?: string[]): string[] | undefined {
  if (!args) {
    return args;
  }
  const normalized: string[] = [];
  let hasSettingSources = false;
  for (let i = 0; i < args.length; i += 1) {
    const arg = args[i];
    if (arg === CLAUDE_SETTING_SOURCES_ARG) {
      const maybeValue = args[i + 1];
      if (
        typeof maybeValue === "string" &&
        maybeValue.trim().length > 0 &&
        !maybeValue.startsWith("-")
      ) {
        hasSettingSources = true;
        normalized.push(arg, CLAUDE_SAFE_SETTING_SOURCES);
        i += 1;
      }
      continue;
    }
    if (arg.startsWith(`${CLAUDE_SETTING_SOURCES_ARG}=`)) {
      hasSettingSources = true;
      normalized.push(`${CLAUDE_SETTING_SOURCES_ARG}=${CLAUDE_SAFE_SETTING_SOURCES}`);
      continue;
    }
    normalized.push(arg);
  }
  if (!hasSettingSources) {
    normalized.push(CLAUDE_SETTING_SOURCES_ARG, CLAUDE_SAFE_SETTING_SOURCES);
  }
  return normalized;
}

export function normalizeClaudeBackendConfig(config: CliBackendConfig): CliBackendConfig {
  return {
    ...config,
    args: normalizeClaudePermissionArgs(normalizeClaudeSettingSourcesArgs(config.args)),
    resumeArgs: normalizeClaudePermissionArgs(normalizeClaudeSettingSourcesArgs(config.resumeArgs)),
  };
}