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#include "src/core/lib/http/format_request.h"

#include <string.h>

#include <grpc/support/log.h>
#include "test/core/util/test_config.h"

static void test_format_get_request(void) {
  grpc_http_header hdr = {"x-yz", "abc"};
  grpc_httpcli_request req;
  gpr_slice slice;

  memset(&req, 0, sizeof(req));
  req.host = "example.com";
  req.http.path = "/index.html";
  req.http.hdr_count = 1;
  req.http.hdrs = &hdr;

  slice = grpc_httpcli_format_get_request(&req);

  GPR_ASSERT(0 == gpr_slice_str_cmp(slice,
                                    "GET /index.html HTTP/1.0\r\n"
                                    "Host: example.com\r\n"
                                    "Connection: close\r\n"
                                    "User-Agent: " GRPC_HTTPCLI_USER_AGENT
                                    "\r\n"
                                    "x-yz: abc\r\n"
                                    "\r\n"));

  gpr_slice_unref(slice);
}

static void test_format_post_request(void) {
  grpc_http_header hdr = {"x-yz", "abc"};
  grpc_httpcli_request req;
  gpr_slice slice;
  char body_bytes[] = "fake body";
  size_t body_len = 9;

  memset(&req, 0, sizeof(req));
  req.host = "example.com";
  req.http.path = "/index.html";
  req.http.hdr_count = 1;
  req.http.hdrs = &hdr;

  slice = grpc_httpcli_format_post_request(&req, body_bytes, body_len);

  GPR_ASSERT(0 == gpr_slice_str_cmp(slice,
                                    "POST /index.html HTTP/1.0\r\n"
                                    "Host: example.com\r\n"
                                    "Connection: close\r\n"
                                    "User-Agent: " GRPC_HTTPCLI_USER_AGENT
                                    "\r\n"
                                    "x-yz: abc\r\n"
                                    "Content-Type: text/plain\r\n"
                                    "Content-Length: 9\r\n"
                                    "\r\n"
                                    "fake body"));

  gpr_slice_unref(slice);
}

static void test_format_post_request_no_body(void) {
  grpc_http_header hdr = {"x-yz", "abc"};
  grpc_httpcli_request req;
  gpr_slice slice;

  memset(&req, 0, sizeof(req));
  req.host = "example.com";
  req.http.path = "/index.html";
  req.http.hdr_count = 1;
  req.http.hdrs = &hdr;

  slice = grpc_httpcli_format_post_request(&req, NULL, 0);

  GPR_ASSERT(0 == gpr_slice_str_cmp(slice,
                                    "POST /index.html HTTP/1.0\r\n"
                                    "Host: example.com\r\n"
                                    "Connection: close\r\n"
                                    "User-Agent: " GRPC_HTTPCLI_USER_AGENT
                                    "\r\n"
                                    "x-yz: abc\r\n"
                                    "\r\n"));

  gpr_slice_unref(slice);
}

static void test_format_post_request_content_type_override(void) {
  grpc_http_header hdrs[2];
  grpc_httpcli_request req;
  gpr_slice slice;
  char body_bytes[] = "fake%20body";
  size_t body_len = 11;

  hdrs[0].key = "x-yz";
  hdrs[0].value = "abc";
  hdrs[1].key = "Content-Type";
  hdrs[1].value = "application/x-www-form-urlencoded";
  memset(&req, 0, sizeof(req));
  req.host = "example.com";
  req.http.path = "/index.html";
  req.http.hdr_count = 2;
  req.http.hdrs = hdrs;

  slice = grpc_httpcli_format_post_request(&req, body_bytes, body_len);

  GPR_ASSERT(0 == gpr_slice_str_cmp(
                      slice,
                      "POST /index.html HTTP/1.0\r\n"
                      "Host: example.com\r\n"
                      "Connection: close\r\n"
                      "User-Agent: " GRPC_HTTPCLI_USER_AGENT "\r\n"
                      "x-yz: abc\r\n"
                      "Content-Type: application/x-www-form-urlencoded\r\n"
                      "Content-Length: 11\r\n"
                      "\r\n"
                      "fake%20body"));

  gpr_slice_unref(slice);
}

int main(int argc, char **argv) {
  grpc_test_init(argc, argv);

  test_format_get_request();
  test_format_post_request();
  test_format_post_request_no_body();
  test_format_post_request_content_type_override();

  return 0;
}