#!/usr/bin/env bash
# Offline suite for packages/discord (issue #1509). No token, no network,
# no model: every test drives the connector with a fake gateway, fake REST,
# fake pi and a disposable data root.
#
#   scripts/test-discord.sh            full run
#   NO_COLOR=1 scripts/test-discord.sh plain output
set -uo pipefail
cd "$(dirname "$0")/.."

SANDBOX="$(mktemp -d)"
trap 'rm -rf "$SANDBOX"' EXIT
PASS=0
FAIL=0
if [ -t 1 ] && [ -z "${NO_COLOR:-}" ]; then
    C_OK=$'\033[0;32m'; C_FAIL=$'\033[0;31m'; C_RESET=$'\033[0m'
else
    C_OK=""; C_FAIL=""; C_RESET=""
fi
check() {
    if [ "$2" = "0" ]; then PASS=$((PASS+1)); echo "${C_OK}OK${C_RESET}    $1"; else FAIL=$((FAIL+1)); echo "${C_FAIL}FAIL${C_RESET} $1"; fi
}

echo "toolchain: node $(node --version)"
echo

# --- syntax ---
for f in packages/discord/src/*.mjs packages/discord/tests/*.mjs packages/discord/fixtures/*.mjs scripts/discord.sh scripts/discord-service.sh; do
    case "$f" in
        *.sh) bash -n "$f" >/dev/null 2>&1 ;;
        *) node --check "$f" >/dev/null 2>&1 ;;
    esac
    check "syntax: $f" $?
done

# --- no dependencies, no secrets in the package ---
node -e 'const p=require("./packages/discord/package.json"); process.exit(p.dependencies||p.devDependencies?1:0)' >/dev/null 2>&1
check "packages/discord declares no dependencies" $?
if grep -rEn '[MN][A-Za-z0-9]{22,}\.[A-Za-z0-9_-]{6}\.[A-Za-z0-9_-]{27,}' packages/discord scripts/discord.sh >/dev/null 2>&1; then
    check "no bot-token-shaped string in packages/discord" 1
else
    check "no bot-token-shaped string in packages/discord" 0
fi
node -e '
const b = JSON.parse(require("fs").readFileSync("packages/discord/fixtures/binding.example.json","utf8"));
const ids = JSON.stringify(b).match(/[0-9]{17,20}/g) || [];
process.exit(ids.every((id) => id.startsWith("10000000000000")) ? 0 : 1);
' >/dev/null 2>&1
check "fixture binding uses placeholder ids only" $?

# --- the fixture validates against the schema ---
node -e '
import("./packages/discord/src/binding.mjs").then((m) => {
  const raw = JSON.parse(require("fs").readFileSync("packages/discord/fixtures/binding.example.json","utf8"));
  m.validateBinding(raw);
}).catch((e) => { console.error(e.message); process.exit(1); });
' >/dev/null 2>&1
check "fixture binding validates" $?

# --- the seven offline groups ---
node --test --test-reporter=spec packages/discord/tests/ >"$SANDBOX/node-test.log" 2>&1
NODE_RC=$?
check "node --test packages/discord/tests/ ($(grep -E '^ℹ pass' "$SANDBOX/node-test.log" | tr -d '\n' || echo 'summary missing'))" $NODE_RC
if [ "$NODE_RC" -ne 0 ]; then
    grep -E '^✖|not ok|Error|error:' "$SANDBOX/node-test.log" | head -40 >&2
fi

# --- wrapper usage paths ---
scripts/discord.sh --help >/dev/null 2>&1
check "scripts/discord.sh --help exits 0" $?
scripts/discord.sh check >/dev/null 2>&1
[ $? -eq 4 ]
check "scripts/discord.sh check without a binding exits 4" $?
scripts/discord.sh recover >/dev/null 2>&1
[ $? -eq 4 ]
check "scripts/discord.sh recover without a binding exits 4" $?

# --- the service unit: rendered from the template, never touching systemd here ---
UNITS="$SANDBOX/units"
scripts/discord-service.sh >/dev/null 2>&1
[ $? -eq 4 ]
check "scripts/discord-service.sh without a command exits 4" $?
REPO_DIR="$(pwd)"
scripts/discord-service.sh render >"$SANDBOX/unit.rendered" 2>/dev/null \
    && grep -qF "ExecStart=$REPO_DIR/scripts/discord.sh run %i --supervised" "$SANDBOX/unit.rendered" \
    && ! grep -q '^ExecStartPre=' "$SANDBOX/unit.rendered" \
    && grep -qx 'RestartPreventExitStatus=3' "$SANDBOX/unit.rendered" \
    && grep -qx 'Restart=on-failure' "$SANDBOX/unit.rendered" \
    && grep -qx 'KillSignal=SIGTERM' "$SANDBOX/unit.rendered" \
    && ! grep -q '@REPO@\|@PATH@' "$SANDBOX/unit.rendered"
check "service unit renders with the repository path, a supervised run as the main process, and exit 3 never retried" $?
scripts/discord-service.sh install --dir "$UNITS" --no-reload >"$SANDBOX/install.1" 2>&1 \
    && [ -f "$UNITS/mosaic-discord@.service" ] \
    && grep -q '^written:' "$SANDBOX/install.1" \
    && cmp -s "$UNITS/mosaic-discord@.service" "$SANDBOX/unit.rendered" \
    && [ "$(stat -c %a "$UNITS/mosaic-discord@.service")" = "644" ] \
    && [ -z "$(ls -A "$UNITS" | grep -v '^mosaic-discord@.service$')" ]
check "service install writes the rendered unit (0644) and leaves no temp file" $?
scripts/discord-service.sh install --dir "$UNITS" --no-reload >"$SANDBOX/install.2" 2>&1 && grep -q '^unchanged:' "$SANDBOX/install.2"
check "service install a second time reports unchanged" $?
if command -v systemd-analyze >/dev/null 2>&1; then
    cp "$UNITS/mosaic-discord@.service" "$UNITS/mosaic-discord@sample.service"
    systemd-analyze --user verify "$UNITS/mosaic-discord@sample.service" >"$SANDBOX/verify.log" 2>&1 && ! grep -qi 'warning\|error\|fail' "$SANDBOX/verify.log"
    check "systemd-analyze verify accepts the rendered unit" $?
    rm -f "$UNITS/mosaic-discord@sample.service"
fi
scripts/discord-service.sh uninstall --dir "$UNITS" --no-reload >/dev/null 2>&1 && [ ! -e "$UNITS/mosaic-discord@.service" ]
check "service uninstall removes the unit file" $?
scripts/discord-service.sh install --dir "$UNITS" --no-reload --bogus >/dev/null 2>&1
[ $? -eq 4 ]
check "service install with an unknown flag exits 4" $?

echo
echo "discord suite: $PASS passed, $FAIL failed"
[ "$FAIL" -eq 0 ]