#!/usr/bin/env bash
# Shared helpers for the brick-by-brick deploy. Sourced by deploy.sh.
# Logging, test gates, health waits, and a docker shim that works whether or not
# the current shell is in the `docker` group.

set -uo pipefail

# ---- colors ----------------------------------------------------------------
if [ -t 1 ]; then
  C_R=$'\e[31m'; C_G=$'\e[32m'; C_Y=$'\e[33m'; C_B=$'\e[36m'; C_D=$'\e[2m'; C_0=$'\e[0m'
else
  C_R=; C_G=; C_Y=; C_B=; C_D=; C_0=
fi
log()  { printf '%s\n' "$*"; }
info() { printf '%s\n' "${C_B}»${C_0} $*"; }
ok()   { printf '%s\n' "${C_G}✓${C_0} $*"; }
warn() { printf '%s\n' "${C_Y}!${C_0} $*"; }
err()  { printf '%s\n' "${C_R}✗${C_0} $*" >&2; }
brick(){ printf '\n%s\n' "${C_B}━━━ CĂRĂMIDĂ: $* ━━━${C_0}"; }
die()  { err "$*"; err "Deploy oprit (gate). Repară și re-rulează — e idempotent."; exit 1; }

# ---- docker shim (portable: plain docker, else `sg docker`) -----------------
USE_SG=0
if ! docker ps >/dev/null 2>&1; then
  if command -v sg >/dev/null 2>&1 && sg docker -c 'docker ps' >/dev/null 2>&1; then
    USE_SG=1
  fi
fi
docker() {
  if [ "$USE_SG" = 1 ]; then
    local a args=""
    for a in "$@"; do args+=" $(printf '%q' "$a")"; done
    sg docker -c "docker$args"
  else
    command docker "$@"
  fi
}

# ---- compose wrapper -------------------------------------------------------
# COMPOSE is exported by deploy.sh
dc() { docker compose -f "$COMPOSE" "$@"; }

# ---- health / test helpers -------------------------------------------------
# wait_health <url> <timeout_s> <label>
wait_health() {
  local url=$1 timeout=${2:-120} label=${3:-$1} i=0
  printf '  %s' "aștept $label "
  while [ "$i" -lt "$timeout" ]; do
    if [ "$(curl -s -m5 -o /dev/null -w '%{http_code}' "$url" 2>/dev/null)" = "200" ]; then
      printf ' %sup%s\n' "$C_G" "$C_0"; return 0
    fi
    printf '.'; sleep 3; i=$((i+3))
  done
  printf '\n'; return 1
}

# gate <label> <test-command...>
# Runs the test; on non-zero exit, STOPS the whole deploy.
gate() {
  local label=$1; shift
  printf '  test: %-22s ' "$label"
  local out rc
  out=$("$@" 2>&1); rc=$?
  if [ "$rc" -eq 0 ]; then
    ok "PASS  ${C_D}${out}${C_0}"
    return 0
  fi
  err "FAIL"
  printf '%s\n' "$out" | sed 's/^/      /'
  die "Testul '$label' nu a trecut."
}

# json_field <url> <python-expr-on-d>  -> prints value, exit 1 on error
post_json() { curl -s -m"${4:-60}" "$1" -H 'Content-Type: application/json' -d "$2"; }