/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :viâ
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ¡
â Copyright 2020 Justine Alexandra Roberts Tunney                              â
â                                                                              â
â Permission to use, copy, modify, and/or distribute this software for         â
â any purpose with or without fee is hereby granted, provided that the         â
â above copyright notice and this permission notice appear in all copies.      â
â                                                                              â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             â
â PERFORMANCE OF THIS SOFTWARE.                                                â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/calls/calls.h"
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/intrin/atomic.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/safemacros.internal.h"
#include "libc/log/color.internal.h"
#include "libc/log/internal.h"
#include "libc/log/libfatal.internal.h"
#include "libc/mem/mem.h"
#include "libc/str/str.h"
#include "libc/testlib/testlib.h"

const char *testlib_showerror_errno;
const char *testlib_showerror_file;
const char *testlib_showerror_func;
const char *testlib_showerror_macro;
const char *testlib_showerror_symbol;

// TODO(jart): Pay off tech debt re duplication
void testlib_showerror(const char *file, int line, const char *func,
                       const char *method, const char *symbol, const char *code,
                       char *v1, char *v2) {
  char *p;
  char hostname[128];
  __stpcpy(hostname, "unknown");
  gethostname(hostname, sizeof(hostname));
  kprintf("%serror%s%s:%s:%d%s: %s() in %s(%s) on %s pid %d tid %d\n"
          "\t%s\n"
          "\t\tneed %s %s\n"
          "\t\t got %s\n"
          "\t%s%s\n"
          "\t%s%s\n",
          RED2, UNBOLD, BLUE1, file, (long)line, RESET, method, func,
          g_fixturename, hostname, getpid(), gettid(), code, v1, symbol, v2,
          SUBTLE, strerror(errno), GetProgramExecutableName(), RESET);
  free(v1);
  free(v2);
}

static void testlib_showerror_(int line,              //
                               const char *wantcode,  //
                               const char *gotcode,   //
                               char *FREED_want,      //
                               char *FREED_got,       //
                               const char *fmt,       //
                               va_list va) {
  int e;
  char hostname[128];
  e = errno;
  if (gethostname(hostname, sizeof(hostname))) {
    __stpcpy(hostname, "unknown");
  }
  kprintf("%serror%s:%s%s:%d%s: %s(%s) on %s pid %d tid %d\n"
          "\t%s(%s, %s)\n",
          RED2, UNBOLD, BLUE1, testlib_showerror_file, line, RESET,
          testlib_showerror_func, g_fixturename, hostname, getpid(), gettid(),
          testlib_showerror_macro, wantcode, gotcode);
  if (wantcode) {
    kprintf("\t\tneed %s %s\n"
            "\t\t got %s\n",
            FREED_want, testlib_showerror_symbol, FREED_got);
  } else {
    kprintf("\t\tâ %s%s\n", testlib_showerror_symbol, FREED_want);
  }
  if (!isempty(fmt)) {
    kprintf("\t");
    kvprintf(fmt, va);
    kprintf("\n");
  }
  kprintf("\t%s%s%s\n"
          "\t%s%s @ %s%s\n",
          SUBTLE, strerror(e), RESET, SUBTLE,
          firstnonnull(program_invocation_name, "unknown"), hostname, RESET);
  /* free(FREED_want); */
  /* free(FREED_got); */
  ++g_testlib_failed;
}

void testlib_showerror_assert_eq(int line,              //
                                 const char *wantcode,  //
                                 const char *gotcode,   //
                                 char *FREED_want,      //
                                 char *FREED_got,       //
                                 const char *fmt,       //
                                 ...) {
  va_list va;
  testlib_showerror_macro = "ASSERT_EQ";
  testlib_showerror_symbol = "=";
  va_start(va, fmt);
  testlib_showerror_(line, wantcode, gotcode, FREED_want, FREED_got, fmt, va);
  va_end(va);
  testlib_abort();
}

void testlib_showerror_expect_eq(int line,              //
                                 const char *wantcode,  //
                                 const char *gotcode,   //
                                 char *FREED_want,      //
                                 char *FREED_got,       //
                                 const char *fmt,       //
                                 ...) {
  va_list va;
  testlib_showerror_macro = "EXPECT_EQ";
  testlib_showerror_symbol = "=";
  va_start(va, fmt);
  testlib_showerror_(line, wantcode, gotcode, FREED_want, FREED_got, fmt, va);
  va_end(va);
}

void testlib_showerror_assert_ne(int line,              //
                                 const char *wantcode,  //
                                 const char *gotcode,   //
                                 char *FREED_want,      //
                                 char *FREED_got,       //
                                 const char *fmt,       //
                                 ...) {
  va_list va;
  testlib_showerror_macro = "ASSERT_NE";
  testlib_showerror_symbol = "â ";
  va_start(va, fmt);
  testlib_showerror_(line, wantcode, gotcode, FREED_want, FREED_got, fmt, va);
  va_end(va);
  testlib_abort();
}

void testlib_showerror_expect_ne(int line,              //
                                 const char *wantcode,  //
                                 const char *gotcode,   //
                                 char *FREED_want,      //
                                 char *FREED_got,       //
                                 const char *fmt,       //
                                 ...) {
  va_list va;
  testlib_showerror_macro = "EXPECT_NE";
  testlib_showerror_symbol = "â ";
  va_start(va, fmt);
  testlib_showerror_(line, wantcode, gotcode, FREED_want, FREED_got, fmt, va);
  va_end(va);
}

void testlib_showerror_assert_true(int line,              //
                                   const char *wantcode,  //
                                   const char *gotcode,   //
                                   char *FREED_want,      //
                                   char *FREED_got,       //
                                   const char *fmt,       //
                                   ...) {
  va_list va;
  testlib_showerror_macro = "ASSERT_TRUE";
  testlib_showerror_symbol = "";
  va_start(va, fmt);
  testlib_showerror_(line, wantcode, gotcode, FREED_want, FREED_got, fmt, va);
  va_end(va);
  testlib_abort();
}

void testlib_showerror_expect_true(int line,              //
                                   const char *wantcode,  //
                                   const char *gotcode,   //
                                   char *FREED_want,      //
                                   char *FREED_got,       //
                                   const char *fmt,       //
                                   ...) {
  va_list va;
  testlib_showerror_macro = "EXPECT_TRUE";
  testlib_showerror_symbol = "";
  va_start(va, fmt);
  testlib_showerror_(line, wantcode, gotcode, FREED_want, FREED_got, fmt, va);
  va_end(va);
}

void testlib_showerror_assert_false(int line,              //
                                    const char *wantcode,  //
                                    const char *gotcode,   //
                                    char *FREED_want,      //
                                    char *FREED_got,       //
                                    const char *fmt,       //
                                    ...) {
  va_list va;
  testlib_showerror_macro = "ASSERT_FALSE";
  testlib_showerror_symbol = "!";
  va_start(va, fmt);
  testlib_showerror_(line, wantcode, gotcode, FREED_want, FREED_got, fmt, va);
  va_end(va);
  testlib_abort();
}

void testlib_showerror_expect_false(int line,              //
                                    const char *wantcode,  //
                                    const char *gotcode,   //
                                    char *FREED_want,      //
                                    char *FREED_got,       //
                                    const char *fmt,       //
                                    ...) {
  va_list va;
  testlib_showerror_macro = "EXPECT_FALSE";
  testlib_showerror_symbol = "!";
  va_start(va, fmt);
  testlib_showerror_(line, wantcode, gotcode, FREED_want, FREED_got, fmt, va);
  va_end(va);
}

void testlib_showerror_expect_matrixeq(int line,              //
                                       const char *wantcode,  //
                                       const char *gotcode,   //
                                       char *FREED_want,      //
                                       char *FREED_got,       //
                                       const char *fmt,       //
                                       ...) {
  va_list va;
  testlib_showerror_macro = "EXPECT_MATRIXEQ";
  testlib_showerror_symbol = "=";
  va_start(va, fmt);
  testlib_showerror_(line, wantcode, gotcode, FREED_want, FREED_got, fmt, va);
  va_end(va);
}
