#!/usr/bin/env bash
# tests/test_fixes.sh — unit tests for code-review fixes in claude_setup.sh
# Run: bash tests/test_fixes.sh

set -euo pipefail

SCRIPT="$(cd "$(dirname "$0")/.." && pwd)/claude_setup.sh"
PASS=0; FAIL=0

ok()   { echo "[PASS] $1"; PASS=$((PASS+1)); }
fail() { echo "[FAIL] $1"; FAIL=$((FAIL+1)); }

# Extract sections
GPT_SECTION=$(awk '/^cat > "\$BIN_DIR\/claude_gpt"/,/^GPTEOF/' "$SCRIPT")
GEMINI_SECTION=$(awk '/^cat > "\$BIN_DIR\/claude_gemini"/,/^GEMINIEOF/' "$SCRIPT")

# ── Fix 2: trap EXIT kills proxy ──────────────────────────────────────────────
test_fix2_trap_exit() {
  if echo "$GPT_SECTION" | grep -q "trap .* EXIT"; then
    ok "Fix2: trap EXIT for proxy cleanup present in claude_gpt"
  else
    fail "Fix2: trap EXIT for proxy cleanup missing in claude_gpt"
  fi
}

# ── Fix 3: readiness loop replaces bare sleep 1 ──────────────────────────────
test_fix3_readiness_loop() {
  if echo "$GPT_SECTION" | grep -q 'while \[ \$_i -lt'; then
    ok "Fix3: readiness poll loop present in claude_gpt proxy start"
  else
    fail "Fix3: readiness poll loop missing in claude_gpt"
  fi

  if echo "$GPT_SECTION" | grep -qP 'proxy_pid=\$!\n\s+sleep 1\n\s+fi'; then
    fail "Fix3: bare 'sleep 1' still present right after proxy_pid=\$!"
  else
    ok "Fix3: bare 'sleep 1; fi' pattern removed"
  fi
}

# ── Fix 3b: curl exit-7 logic correct ────────────────────────────────────────
test_fix3b_exit7_logic() {
  if echo "$GPT_SECTION" | grep -q 'exit 7 = connection refused'; then
    ok "Fix3b: exit-7 comment present (connection refused check documented)"
  else
    fail "Fix3b: exit-7 comment missing"
  fi

  if echo "$GPT_SECTION" | grep -q '\[ "\$?" -ne 7 \]'; then
    ok "Fix3b: [ \$? -ne 7 ] break condition present"
  else
    fail "Fix3b: exit-7 break condition missing"
  fi
}

# ── Fix 4: re-validate after claude_gpt reauth ───────────────────────────────
test_fix4_gpt_revalidate() {
  if echo "$GPT_SECTION" | grep -q '_claude_test_api.*http://localhost:18765'; then
    ok "Fix4: _claude_test_api called in claude_gpt"
  else
    fail "Fix4: _claude_test_api missing in claude_gpt"
  fi
}

# ── Fix 5: re-validate after claude_gemini reauth (both 401 and 429) ─────────
test_fix5_gemini_revalidate() {
  local count
  count=$(echo "$GEMINI_SECTION" | grep -c '_claude_test_api' || true)
  if [ "$count" -ge 2 ]; then
    ok "Fix5: _claude_test_api present in gemini reauth flow ($count occurrences)"
  else
    fail "Fix5: _claude_test_api missing or only in one branch (found $count)"
  fi
}

# ── Fix 7: trap quotes $TMP correctly ────────────────────────────────────────
test_fix7_trap_tmp() {
  if grep -q "trap 'rm -rf \"\$TMP\"' EXIT" "$SCRIPT"; then
    ok "Fix7: trap uses single quotes with quoted \"\$TMP\""
  else
    fail "Fix7: trap still uses double quotes or \$TMP still unquoted at execution"
  fi
}

# ── bash syntax of the whole script ─────────────────────────────────────────
test_script_syntax() {
  if bash -n "$SCRIPT" 2>&1; then
    ok "syntax: claude_setup.sh passes 'bash -n'"
  else
    fail "syntax: claude_setup.sh has syntax errors"
  fi
}

# ── run all tests ─────────────────────────────────────────────────────────────
test_script_syntax
test_fix2_trap_exit
test_fix3_readiness_loop
test_fix3b_exit7_logic
test_fix4_gpt_revalidate
test_fix5_gemini_revalidate
test_fix7_trap_tmp

echo ""
echo "Results: $PASS passed, $FAIL failed"
[ "$FAIL" -eq 0 ] && exit 0 || exit 1