#!/usr/bin/env bash
# lib/common-lisp/test.sh — quick smoke-test the CL runtime layer.
# Uses sx_server.exe epoch protocol (same as lib/lua/test.sh).
#
# Usage:
#   bash lib/common-lisp/test.sh
#   bash lib/common-lisp/test.sh -v

set -uo pipefail
cd "$(git rev-parse --show-toplevel)"

SX_SERVER="${SX_SERVER:-hosts/ocaml/_build/default/bin/sx_server.exe}"
if [ ! -x "$SX_SERVER" ]; then
  SX_SERVER="/root/rose-ash/hosts/ocaml/_build/default/bin/sx_server.exe"
fi
if [ ! -x "$SX_SERVER" ]; then
  echo "ERROR: sx_server.exe not found. Run: cd hosts/ocaml && dune build"
  exit 1
fi

VERBOSE="${1:-}"
PASS=0; FAIL=0; ERRORS=""
TMPFILE=$(mktemp); trap "rm -f $TMPFILE" EXIT

cat > "$TMPFILE" << 'EPOCHS'
(epoch 1)
(load "spec/stdlib.sx")
(load "lib/common-lisp/runtime.sx")

;; --- Type predicates ---
(epoch 10)
(eval "(cl-null? nil)")
(epoch 11)
(eval "(cl-null? false)")
(epoch 12)
(eval "(cl-consp? (list 1 2))")
(epoch 13)
(eval "(cl-consp? nil)")
(epoch 14)
(eval "(cl-listp? nil)")
(epoch 15)
(eval "(cl-listp? (list 1))")
(epoch 16)
(eval "(cl-atom? nil)")
(epoch 17)
(eval "(cl-atom? (list 1))")
(epoch 18)
(eval "(cl-integerp? 42)")
(epoch 19)
(eval "(cl-floatp? 3.14)")
(epoch 20)
(eval "(cl-characterp? (integer->char 65))")
(epoch 21)
(eval "(cl-stringp? \"hello\")")

;; --- Arithmetic ---
(epoch 30)
(eval "(cl-mod 10 3)")
(epoch 31)
(eval "(cl-rem 10 3)")
(epoch 32)
(eval "(cl-quotient 10 3)")
(epoch 33)
(eval "(cl-gcd 12 8)")
(epoch 34)
(eval "(cl-lcm 4 6)")
(epoch 35)
(eval "(cl-abs -5)")
(epoch 36)
(eval "(cl-abs 5)")
(epoch 37)
(eval "(cl-min 2 7)")
(epoch 38)
(eval "(cl-max 2 7)")
(epoch 39)
(eval "(cl-evenp? 4)")
(epoch 40)
(eval "(cl-evenp? 3)")
(epoch 41)
(eval "(cl-oddp? 7)")
(epoch 42)
(eval "(cl-zerop? 0)")
(epoch 43)
(eval "(cl-plusp? 1)")
(epoch 44)
(eval "(cl-minusp? -1)")
(epoch 45)
(eval "(cl-signum 42)")
(epoch 46)
(eval "(cl-signum -7)")
(epoch 47)
(eval "(cl-signum 0)")

;; --- Characters ---
(epoch 50)
(eval "(cl-char-code (integer->char 65))")
(epoch 51)
(eval "(char? (cl-code-char 65))")
(epoch 52)
(eval "(cl-char=? (integer->char 65) (integer->char 65))")
(epoch 53)
(eval "(cl-char<? (integer->char 65) (integer->char 90))")
(epoch 54)
(eval "(cl-char-code cl-char-space)")
(epoch 55)
(eval "(cl-char-code cl-char-newline)")
(epoch 56)
(eval "(cl-alpha-char-p (integer->char 65))")
(epoch 57)
(eval "(cl-digit-char-p (integer->char 48))")

;; --- Format ---
(epoch 60)
(eval "(cl-format nil \"hello\")")
(epoch 61)
(eval "(cl-format nil \"~a\" \"world\")")
(epoch 62)
(eval "(cl-format nil \"~d\" 42)")
(epoch 63)
(eval "(cl-format nil \"~x\" 255)")
(epoch 64)
(eval "(cl-format nil \"x=~d y=~d\" 3 4)")

;; --- Gensym ---
(epoch 70)
(eval "(= (type-of (cl-gensym)) \"symbol\")")
(epoch 71)
(eval "(not (= (cl-gensym) (cl-gensym)))")

;; --- Sets ---
(epoch 80)
(eval "(cl-set? (cl-make-set))")
(epoch 81)
(eval "(let ((s (cl-make-set))) (do (cl-set-add s 1) (cl-set-memberp s 1)))")
(epoch 82)
(eval "(cl-set-memberp (cl-make-set) 42)")
(epoch 83)
(eval "(cl-set-memberp (cl-list->set (list 1 2 3)) 2)")

;; --- Lists ---
(epoch 90)
(eval "(cl-nth 0 (list 1 2 3))")
(epoch 91)
(eval "(cl-nth 2 (list 1 2 3))")
(epoch 92)
(eval "(cl-last (list 1 2 3))")
(epoch 93)
(eval "(cl-butlast (list 1 2 3))")
(epoch 94)
(eval "(cl-nthcdr 1 (list 1 2 3))")
(epoch 95)
(eval "(cl-assoc \"b\" (list (list \"a\" 1) (list \"b\" 2)))")
(epoch 96)
(eval "(cl-assoc \"z\" (list (list \"a\" 1)))")
(epoch 97)
(eval "(cl-getf (list \"x\" 42 \"y\" 99) \"x\")")
(epoch 98)
(eval "(cl-adjoin 0 (list 1 2))")
(epoch 99)
(eval "(cl-adjoin 1 (list 1 2))")
(epoch 100)
(eval "(cl-member 2 (list 1 2 3))")
(epoch 101)
(eval "(cl-member 9 (list 1 2 3))")
(epoch 102)
(eval "(cl-flatten (list 1 (list 2 3) 4))")

;; --- Radix ---
(epoch 110)
(eval "(cl-format-binary 10)")
(epoch 111)
(eval "(cl-format-octal 15)")
(epoch 112)
(eval "(cl-format-hex 255)")
(epoch 113)
(eval "(cl-format-decimal 42)")
(epoch 114)
(eval "(cl-integer-to-string 31 16)")
(epoch 115)
(eval "(cl-string-to-integer \"1f\" 16)")

EPOCHS

OUTPUT=$(timeout 30 "$SX_SERVER" < "$TMPFILE" 2>/dev/null)

check() {
  local epoch="$1" desc="$2" expected="$3"
  local actual
  # ok-len format: value appears on the line AFTER "(ok-len N length)"
  actual=$(echo "$OUTPUT" | grep -A1 "^(ok-len $epoch " | tail -1 || true)
  # strip any leading "(ok-len ...)" if grep -A1 returned it instead
  if echo "$actual" | grep -q "^(ok-len"; then actual=""; fi
  if [ -z "$actual" ]; then
    actual=$(echo "$OUTPUT" | grep "^(ok $epoch " | head -1 || true)
  fi
  if [ -z "$actual" ]; then
    actual=$(echo "$OUTPUT" | grep "^(error $epoch " | head -1 || true)
  fi
  [ -z "$actual" ] && actual="<no output for epoch $epoch>"

  if echo "$actual" | grep -qF -- "$expected"; then
    PASS=$((PASS+1))
    [ "$VERBOSE" = "-v" ] && echo "  ok $desc"
  else
    FAIL=$((FAIL+1))
    ERRORS+="  FAIL [$desc] (epoch $epoch) expected: $expected | actual: $actual
"
  fi
}

# Type predicates
check 10  "cl-null? nil"           "true"
check 11  "cl-null? false"         "false"
check 12  "cl-consp? pair"         "true"
check 13  "cl-consp? nil"          "false"
check 14  "cl-listp? nil"          "true"
check 15  "cl-listp? list"         "true"
check 16  "cl-atom? nil"           "true"
check 17  "cl-atom? pair"          "false"
check 18  "cl-integerp?"           "true"
check 19  "cl-floatp?"             "true"
check 20  "cl-characterp?"         "true"
check 21  "cl-stringp?"            "true"

# Arithmetic
check 30  "cl-mod 10 3"            "1"
check 31  "cl-rem 10 3"            "1"
check 32  "cl-quotient 10 3"       "3"
check 33  "cl-gcd 12 8"            "4"
check 34  "cl-lcm 4 6"             "12"
check 35  "cl-abs -5"              "5"
check 36  "cl-abs 5"               "5"
check 37  "cl-min 2 7"             "2"
check 38  "cl-max 2 7"             "7"
check 39  "cl-evenp? 4"            "true"
check 40  "cl-evenp? 3"            "false"
check 41  "cl-oddp? 7"             "true"
check 42  "cl-zerop? 0"            "true"
check 43  "cl-plusp? 1"            "true"
check 44  "cl-minusp? -1"          "true"
check 45  "cl-signum pos"          "1"
check 46  "cl-signum neg"          "-1"
check 47  "cl-signum zero"         "0"

# Characters
check 50  "cl-char-code"           "65"
check 51  "code-char returns char" "true"
check 52  "cl-char=?"              "true"
check 53  "cl-char<?"              "true"
check 54  "cl-char-space code"     "32"
check 55  "cl-char-newline code"   "10"
check 56  "cl-alpha-char-p A"      "true"
check 57  "cl-digit-char-p 0"      "true"

# Format
check 60  "cl-format plain"        '"hello"'
check 61  "cl-format ~a"           '"world"'
check 62  "cl-format ~d"           '"42"'
check 63  "cl-format ~x"           '"ff"'
check 64  "cl-format multi"        '"x=3 y=4"'

# Gensym
check 70  "gensym returns symbol"  "true"
check 71  "gensyms are unique"     "true"

# Sets
check 80  "make-set is set?"       "true"
check 81  "set-add + member"       "true"
check 82  "member in empty"        "false"
check 83  "list->set member"       "true"

# Lists
check 90  "cl-nth 0"               "1"
check 91  "cl-nth 2"               "3"
check 92  "cl-last"                "(3)"
check 93  "cl-butlast"             "(1 2)"
check 94  "cl-nthcdr 1"            "(2 3)"
check 95  "cl-assoc hit"           '("b" 2)'
check 96  "cl-assoc miss"          "nil"
check 97  "cl-getf hit"            "42"
check 98  "cl-adjoin new"          "(0 1 2)"
check 99  "cl-adjoin dup"          "(1 2)"
check 100 "cl-member hit"          "(2 3)"
check 101 "cl-member miss"         "nil"
check 102 "cl-flatten"             "(1 2 3 4)"

# Radix
check 110 "cl-format-binary 10"    '"1010"'
check 111 "cl-format-octal 15"     '"17"'
check 112 "cl-format-hex 255"      '"ff"'
check 113 "cl-format-decimal 42"   '"42"'
check 114 "n->s base 16"           '"1f"'
check 115 "s->n base 16"           "31"

# ── Phase 2: condition system unit tests ─────────────────────────────────────
# Load runtime.sx then conditions.sx; query the passed/failed/failures globals.
UNIT_FILE=$(mktemp); trap "rm -f $UNIT_FILE" EXIT
cat > "$UNIT_FILE" << 'UNIT'
(epoch 1)
(load "spec/stdlib.sx")
(epoch 2)
(load "lib/common-lisp/runtime.sx")
(epoch 3)
(load "lib/common-lisp/tests/conditions.sx")
(epoch 4)
(eval "passed")
(epoch 5)
(eval "failed")
(epoch 6)
(eval "failures")
UNIT

UNIT_OUT=$(timeout 30 "$SX_SERVER" < "$UNIT_FILE" 2>/dev/null)

# extract passed/failed counts from ok-len lines
UNIT_PASSED=$(echo "$UNIT_OUT" | grep -A1 "^(ok-len 4 " | tail -1 || true)
UNIT_FAILED=$(echo "$UNIT_OUT" | grep -A1 "^(ok-len 5 " | tail -1 || true)
UNIT_ERRS=$(echo "$UNIT_OUT" | grep -A1 "^(ok-len 6 " | tail -1 || true)
# fallback: try plain ok lines
[ -z "$UNIT_PASSED" ] && UNIT_PASSED=$(echo "$UNIT_OUT" | grep "^(ok 4 " | awk '{print $3}' | tr -d ')' || true)
[ -z "$UNIT_FAILED" ] && UNIT_FAILED=$(echo "$UNIT_OUT" | grep "^(ok 5 " | awk '{print $3}' | tr -d ')' || true)
[ -z "$UNIT_PASSED" ] && UNIT_PASSED=0
[ -z "$UNIT_FAILED" ] && UNIT_FAILED=0

if [ "$UNIT_FAILED" = "0" ] && [ "$UNIT_PASSED" -gt 0 ] 2>/dev/null; then
  PASS=$((PASS + UNIT_PASSED))
  [ "$VERBOSE" = "-v" ] && echo "  ok condition tests ($UNIT_PASSED)"
else
  FAIL=$((FAIL + 1))
  ERRORS+="  FAIL [condition tests] (${UNIT_PASSED} passed, ${UNIT_FAILED} failed) ${UNIT_ERRS}
"
fi

# ── Phase 3: classic program tests ───────────────────────────────────────────
run_program_suite() {
  local prog="$1" pass_var="$2" fail_var="$3" failures_var="$4"
  local PROG_FILE=$(mktemp)
  printf '(epoch 1)\n(load "spec/stdlib.sx")\n(epoch 2)\n(load "lib/common-lisp/runtime.sx")\n(epoch 3)\n(load "%s")\n(epoch 4)\n(eval "%s")\n(epoch 5)\n(eval "%s")\n(epoch 6)\n(eval "%s")\n' \
    "$prog" "$pass_var" "$fail_var" "$failures_var" > "$PROG_FILE"
  local OUT; OUT=$(timeout 20 "$SX_SERVER" < "$PROG_FILE" 2>/dev/null)
  rm -f "$PROG_FILE"
  local P F
  P=$(echo "$OUT" | grep -A1 "^(ok-len 4 " | tail -1 || true)
  F=$(echo "$OUT" | grep -A1 "^(ok-len 5 " | tail -1 || true)
  local ERRS; ERRS=$(echo "$OUT" | grep -A1 "^(ok-len 6 " | tail -1 || true)
  [ -z "$P" ] && P=0; [ -z "$F" ] && F=0
  if [ "$F" = "0" ] && [ "$P" -gt 0 ] 2>/dev/null; then
    PASS=$((PASS + P))
    [ "$VERBOSE" = "-v" ] && echo "  ok $prog ($P)"
  else
    FAIL=$((FAIL + 1))
    ERRORS+="  FAIL [$prog] (${P} passed, ${F} failed) ${ERRS}
"
  fi
}

run_program_suite \
  "lib/common-lisp/tests/programs/restart-demo.sx" \
  "demo-passed" "demo-failed" "demo-failures"

run_program_suite \
  "lib/common-lisp/tests/programs/parse-recover.sx" \
  "parse-passed" "parse-failed" "parse-failures"

run_program_suite \
  "lib/common-lisp/tests/programs/interactive-debugger.sx" \
  "debugger-passed" "debugger-failed" "debugger-failures"

# ── Phase 4: CLOS unit tests ─────────────────────────────────────────────────
CLOS_FILE=$(mktemp); trap "rm -f $CLOS_FILE" EXIT
printf '(epoch 1)\n(load "spec/stdlib.sx")\n(epoch 2)\n(load "lib/common-lisp/runtime.sx")\n(epoch 3)\n(load "lib/common-lisp/clos.sx")\n(epoch 4)\n(load "lib/common-lisp/tests/clos.sx")\n(epoch 5)\n(eval "passed")\n(epoch 6)\n(eval "failed")\n(epoch 7)\n(eval "failures")\n' > "$CLOS_FILE"
CLOS_OUT=$(timeout 30 "$SX_SERVER" < "$CLOS_FILE" 2>/dev/null)
rm -f "$CLOS_FILE"
CLOS_PASSED=$(echo "$CLOS_OUT" | grep -A1 "^(ok-len 5 " | tail -1 || true)
CLOS_FAILED=$(echo "$CLOS_OUT" | grep -A1 "^(ok-len 6 " | tail -1 || true)
[ -z "$CLOS_PASSED" ] && CLOS_PASSED=$(echo "$CLOS_OUT" | grep "^(ok 5 " | awk '{print $3}' | tr -d ')' || true)
[ -z "$CLOS_FAILED" ] && CLOS_FAILED=$(echo "$CLOS_OUT" | grep "^(ok 6 " | awk '{print $3}' | tr -d ')' || true)
[ -z "$CLOS_PASSED" ] && CLOS_PASSED=0; [ -z "$CLOS_FAILED" ] && CLOS_FAILED=0
if [ "$CLOS_FAILED" = "0" ] && [ "$CLOS_PASSED" -gt 0 ] 2>/dev/null; then
  PASS=$((PASS + CLOS_PASSED))
  [ "$VERBOSE" = "-v" ] && echo "  ok CLOS unit tests ($CLOS_PASSED)"
else
  FAIL=$((FAIL + 1))
  ERRORS+="  FAIL [CLOS unit tests] (${CLOS_PASSED} passed, ${CLOS_FAILED} failed)
"
fi

# ── Phase 4: CLOS classic programs ───────────────────────────────────────────
run_clos_suite() {
  local prog="$1" pass_var="$2" fail_var="$3" failures_var="$4"
  local PROG_FILE=$(mktemp)
  printf '(epoch 1)\n(load "spec/stdlib.sx")\n(epoch 2)\n(load "lib/common-lisp/runtime.sx")\n(epoch 3)\n(load "lib/common-lisp/clos.sx")\n(epoch 4)\n(load "%s")\n(epoch 5)\n(eval "%s")\n(epoch 6)\n(eval "%s")\n(epoch 7)\n(eval "%s")\n' \
    "$prog" "$pass_var" "$fail_var" "$failures_var" > "$PROG_FILE"
  local OUT; OUT=$(timeout 20 "$SX_SERVER" < "$PROG_FILE" 2>/dev/null)
  rm -f "$PROG_FILE"
  local P F
  P=$(echo "$OUT" | grep -A1 "^(ok-len 5 " | tail -1 || true)
  F=$(echo "$OUT" | grep -A1 "^(ok-len 6 " | tail -1 || true)
  local ERRS; ERRS=$(echo "$OUT" | grep -A1 "^(ok-len 7 " | tail -1 || true)
  [ -z "$P" ] && P=0; [ -z "$F" ] && F=0
  if [ "$F" = "0" ] && [ "$P" -gt 0 ] 2>/dev/null; then
    PASS=$((PASS + P))
    [ "$VERBOSE" = "-v" ] && echo "  ok $prog ($P)"
  else
    FAIL=$((FAIL + 1))
    ERRORS+="  FAIL [$prog] (${P} passed, ${F} failed) ${ERRS}
"
  fi
}

run_clos_suite \
  "lib/common-lisp/tests/programs/geometry.sx" \
  "geo-passed" "geo-failed" "geo-failures"

run_clos_suite \
  "lib/common-lisp/tests/programs/mop-trace.sx" \
  "mop-passed" "mop-failed" "mop-failures"

TOTAL=$((PASS+FAIL))
if [ $FAIL -eq 0 ]; then
  echo "ok $PASS/$TOTAL lib/common-lisp tests passed"
else
  echo "FAIL $PASS/$TOTAL passed, $FAIL failed:"
  echo "$ERRORS"
fi
[ $FAIL -eq 0 ]