#!/usr/bin/env bash
set -Eeuo pipefail

ROOT=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)
WORK=$(mktemp -d)
trap 'rm -rf "$WORK"' EXIT

fail() {
  printf 'Baota start fixture failed: %s\n' "$1" >&2
  exit 1
}

RELEASE="$WORK/release"
mkdir -p "$RELEASE/ops" "$RELEASE/public" "$WORK/files" "$WORK/tmp"
printf 'fixture jar\n' > "$RELEASE/app.jar"
printf '<!doctype html>\n' > "$RELEASE/public/index.html"
printf '1.0.0-preview.24\n' > "$RELEASE/VERSION"
cp "$ROOT/deploy/baota-start.sh" "$RELEASE/ops/baota-start.sh"
chmod 0755 "$RELEASE/ops/baota-start.sh"

cat > "$WORK/java" <<'SH'
#!/usr/bin/env bash
set -Eeuo pipefail
{
  printf 'cwd=%s\n' "$PWD"
  printf 'args=%s\n' "$*"
  printf 'version=%s\n' "$APP_VERSION"
  printf 'address=%s\n' "$SERVER_ADDRESS"
  printf 'port=%s\n' "$SERVER_PORT"
  printf 'update=%s\n' "$FINANCE_UPDATE_ENABLED"
  printf 'static=%s\n' "$FINANCE_STATIC_LOCATIONS"
} > "$MOCK_JAVA_LOG"
SH
chmod 0755 "$WORK/java"

MOCK_JAVA_LOG="$WORK/java.log" \
KAIDI_JAVA_BIN="$WORK/java" \
DB_URL='jdbc:mysql://db.fixture/kaidi_finance' \
DB_USERNAME=fixture \
DB_PASSWORD='fixture-password' \
FIELD_ENCRYPTION_KEY='fixture-field-key' \
FILE_STORAGE_ROOT="$WORK/files" \
FILE_STORAGE_TEMP="$WORK/tmp" \
  "$RELEASE/ops/baota-start.sh"

grep -Fqx "cwd=$RELEASE" "$WORK/java.log" || fail 'launcher did not use the release working directory'
grep -Fqx "args=-XX:MaxRAMPercentage=70 -Dfile.encoding=UTF-8 -jar $RELEASE/app.jar" "$WORK/java.log" \
  || fail 'launcher did not execute the packaged Spring Boot jar'
grep -Fqx 'version=1.0.0-preview.24' "$WORK/java.log" || fail 'launcher did not read VERSION'
grep -Fqx 'address=127.0.0.1' "$WORK/java.log" || fail 'launcher did not default to loopback'
grep -Fqx 'port=18080' "$WORK/java.log" || fail 'launcher did not default to port 18080'
grep -Fqx 'update=false' "$WORK/java.log" || fail 'launcher did not disable the systemd updater'
grep -Fqx "static=file:$RELEASE/public/" "$WORK/java.log" \
  || fail 'launcher did not bind static resources to the release directory'

if KAIDI_JAVA_BIN="$WORK/java" \
  DB_USERNAME=fixture DB_PASSWORD=fixture FIELD_ENCRYPTION_KEY=fixture \
  FILE_STORAGE_ROOT="$WORK/files" FILE_STORAGE_TEMP="$WORK/tmp" \
  MOCK_JAVA_LOG="$WORK/missing-db.log" \
  "$RELEASE/ops/baota-start.sh" > "$WORK/missing-db.out" 2>&1; then
  fail 'launcher accepted a production configuration without DB_URL'
fi
grep -Fq 'DB_URL must be configured' "$WORK/missing-db.out" \
  || fail 'launcher did not report the missing database URL'
[ ! -e "$WORK/missing-db.log" ] || fail 'launcher started Java after configuration validation failed'

printf 'Baota Spring Boot launcher fixture passed\n'