#!/usr/bin/env bash
# -----------------------------------------------------------------------------
# checks/tools.sh — every required host tool is present and >= its VERSIONS pin.
#   Reads TOOL_<X>_MIN from foundation/VERSIONS (PLAN-002 §9.1 host validation).
#   Exits non-zero if any required tool is missing or below its minimum.
# -----------------------------------------------------------------------------
set -euo pipefail
PF_DIR=$(cd "$(dirname "$0")/.." && pwd)
# shellcheck source=../lib/common.sh
. "$PF_DIR/lib/common.sh"

echo "[tools] required host tools present and >= VERSIONS pin"

# pf_get_version <tool> : echo a parseable version string for the tool, or "".
# Kept in one place so the per-tool quirks are visible and testable.
pf_get_version() {
  case "$1" in
    pulumi)  pulumi version 2>/dev/null ;;                       # -> v3.243.0
    bun)     bun --version 2>/dev/null ;;                        # -> 1.3.9
    node)    node --version 2>/dev/null ;;                       # -> v24.10.0
    docker)  docker --version 2>/dev/null | sed 's/.*version //' ;;  # Docker version 29.5.3, build ...
    git)     git --version 2>/dev/null ;;                        # git version 2.54.0
    age)     age --version 2>/dev/null ;;                        # v1.1.1 (or "1.1.1")
    zstd)    zstd --version 2>/dev/null | sed -n 's/.*[ vV]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\).*/\1/p' ;;  # *** Zstandard CLI (64-bit) v1.5.7, ...
    jq)      jq --version 2>/dev/null ;;                         # jq-1.8.1
    vault)   vault --version 2>/dev/null ;;                      # Vault v1.18.0 (...)
    psql)    psql --version 2>/dev/null ;;                       # psql (PostgreSQL) 16.2
    pg_dump) pg_dump --version 2>/dev/null ;;                    # pg_dump (PostgreSQL) 16.2
    ssh)     ssh -V 2>&1 ;;                                      # OpenSSH_10.2p1, LibreSSL ...
    mc)      mc --version 2>/dev/null | head -1 ;;               # mc version RELEASE.2025-08-13T08-35-41Z
    *)       printf '' ;;
  esac
}

# pf_check_tool <bin> <VERSIONS_KEY> <pretty-name>
pf_check_tool() {
  bin="$1"; key="$2"; pretty="$3"
  min=$(pf_versions_get "$key" 2>/dev/null || true)
  if [ -z "$min" ]; then
    pf_fail "$pretty: no $key in VERSIONS (cannot determine minimum)"
    return
  fi
  if ! pf_have "$bin"; then
    pf_fail "$pretty ($bin): NOT INSTALLED (need >= $min)"
    return
  fi
  raw=$(pf_get_version "$bin" || true)
  # mc uses a date-stamped RELEASE.YYYY-MM-DD... tag; normalize to a dotted date.
  if [ "$bin" = "mc" ]; then
    norm=$(printf '%s' "$raw" | sed -n 's/.*RELEASE\.\([0-9]\{4\}\)-\([0-9]\{2\}\)-\([0-9]\{2\}\).*/\1.\2.\3/p')
    minn=$(printf '%s' "$min" | tr '-' '.')
    if [ -z "$norm" ]; then
      pf_warn "$pretty ($bin): present but version unparseable ('$raw'); assuming OK"
      return
    fi
    if pf_ge "$norm" "$minn"; then
      pf_pass "$pretty ($bin) $norm >= $min"
    else
      pf_fail "$pretty ($bin) $norm < required $min"
    fi
    return
  fi
  if [ -z "$raw" ]; then
    pf_warn "$pretty ($bin): present but version unparseable; assuming OK"
    return
  fi
  if pf_ge "$raw" "$min"; then
    pf_pass "$pretty ($bin) $(printf '%s' "$raw" | sed -e 's/^[^0-9]*//' -e 's/[^0-9.].*$//') >= $min"
  else
    pf_fail "$pretty ($bin) '$raw' < required $min"
  fi
}

#              bin       VERSIONS key        pretty name
pf_check_tool  pulumi    TOOL_PULUMI_MIN     "Pulumi"
pf_check_tool  bun       TOOL_BUN_MIN        "Bun"
pf_check_tool  node      TOOL_NODE_MIN       "Node.js"
pf_check_tool  docker    TOOL_DOCKER_MIN     "Docker CLI"
pf_check_tool  git       TOOL_GIT_MIN        "Git"
pf_check_tool  age       TOOL_AGE_MIN        "age"
pf_check_tool  zstd      TOOL_ZSTD_MIN       "zstd"
pf_check_tool  jq        TOOL_JQ_MIN         "jq"
pf_check_tool  vault     TOOL_VAULT_MIN      "Vault CLI"
pf_check_tool  psql      TOOL_PSQL_MIN       "PostgreSQL client (psql)"
pf_check_tool  pg_dump   TOOL_PG_DUMP_MIN    "PostgreSQL client (pg_dump)"
pf_check_tool  ssh       TOOL_OPENSSH_MIN    "OpenSSH client"
pf_check_tool  mc        TOOL_MC_MIN         "S3/RustFS client (mc)"

pf_summary "tools"