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// Copyright (c) 2024 Cloudflare, Inc.
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// Licensed under the Apache 2.0 license found in the LICENSE file or at:
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//     https://opensource.org/licenses/Apache-2.0
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export default {
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  async fetch(request, env, ctx) {
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    if (request.method === 'GET') {
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      if (request.url.endsWith('logs/404')) {
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        return Response.json(
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          {
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            errors: [
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              {
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                code: 7002,
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                message: 'Not Found',
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              },
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            ],
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            success: true,
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          },
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          { status: 404 }
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        );
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      }
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      if (request.url.endsWith('url/openai')) {
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        return Response.json({
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          result: {
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            url: 'https://gateway.ai.cloudflare.com/v1/account-tag-abc/my-gateway/openai',
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          },
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          success: true,
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        });
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      }
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      if (request.url.endsWith('logs/500')) {
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        return Response.json(
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          {
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            errors: [
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              {
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                code: 7000,
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                message: 'Internal Error',
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              },
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            ],
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            success: true,
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          },
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          { status: 500 }
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        );
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      }
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      return Response.json({
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        success: true,
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        result: {
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          cached: false,
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          cost: 0,
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          created_at: '2019-08-24T14:15:22Z',
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          custom_cost: true,
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          duration: 0,
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          id: 'string',
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          metadata: 'string',
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          model: 'string',
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          model_type: 'string',
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          path: 'string',
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          provider: 'string',
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          request_content_type: 'string',
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          request_head: 'string',
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          request_head_complete: true,
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          request_size: 0,
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          request_type: 'string',
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          response_content_type: 'string',
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          response_head: 'string',
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          response_head_complete: true,
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          response_size: 0,
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          status_code: 0,
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          step: 0,
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          success: true,
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          tokens_in: 0,
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          tokens_out: 0,
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        },
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      });
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    }
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    if (request.method === 'PATCH') {
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      if (request.url.endsWith('logs/404')) {
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        return Response.json(
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          {
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            errors: [
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              {
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                code: 7002,
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                message: 'Not Found',
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              },
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            ],
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            success: true,
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          },
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          { status: 404 }
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        );
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      }
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      if (request.url.endsWith('logs/500')) {
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        return Response.json(
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          {
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            errors: [
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              {
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                code: 7002,
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                message: 'Internal Error',
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              },
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            ],
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            success: true,
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          },
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          { status: 500 }
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        );
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      }
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      return Response.json({ success: true });
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    }
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    if (request.method === 'POST') {
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      const body = await request.json();
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      if (body[0]?.endpoint === 'hang') {
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        // Never resolve unless the fetch is aborted.
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        await scheduler.wait(1e8);
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      }
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      return Response.json({
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        success: true,
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        result: body,
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        headers: Object.fromEntries(request.headers.entries()),
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      });
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    }
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    return Response.json({ success: false }, { status: 500 });
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  },
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};