#!/usr/bin/env bash
# Validates that post-form.md is wired correctly for the add-page-by-form plugin.
# Fast, no server needed. Catches the class of bug that caused silent post failures.
set -euo pipefail

FORM="user/pages/02.post/post-form.md"
SITE="user/config/site.yaml"
PASS=0
FAIL=0
ERRORS=()

ok()   { echo "  ✓ $1"; PASS=$((PASS+1)); }
fail() { echo "  ✗ $1"; FAIL=$((FAIL+1)); ERRORS+=("$1"); }

check_grep() {
    local desc="$1"; local pattern="$2"; local file="${3:-$FORM}"
    if grep -q "$pattern" "$file"; then ok "$desc"; else fail "$desc"; fi
}

check_absent() {
    local desc="$1"; local pattern="$2"; local file="${3:-$FORM}"
    if grep -q "$pattern" "$file"; then fail "$desc"; else ok "$desc"; fi
}

echo ""
echo "Form config validator — $FORM"
echo "────────────────────────────────────────"

# Plugin trigger: must use add_page or addpage — NOT add-page-by-form
grep -q "add_page:\|addpage:" "$FORM" && ok "Process action is 'add_page' (plugin trigger)" \
    || fail "Process action must be 'add_page: true' — 'add-page-by-form' is not handled by the plugin"

# Parent is now injected server-side from site.active_trip by the cache-on-save
# plugin (U1). The form must NOT hardcode pageconfig.parent — that coupling was
# the silent-misfile bug this whole change removes.
check_absent "pageconfig.parent is NOT hardcoded (injected server-side from active_trip)" "^\s*parent:"
check_grep   "pageconfig block exists in frontmatter"        "^pageconfig:"
check_grep   "slug_field set (determines entry folder name)" "slug_field:"
check_grep   "pagefrontmatter block exists in frontmatter"   "^pagefrontmatter:"
check_grep   "template: entry (creates entry.md filename)"   "template: entry"

# The active trip — the server-side injection source — must be set in site.yaml.
check_grep "active_trip set in site.yaml (injection source)" "^active_trip:\s*\S" "$SITE"

# Form name must stay 'new-entry' — cache-on-save plugin checks this exact string
check_grep "form name is 'new-entry' (required by cache-on-save plugin)" "name: new-entry"

# Core form fields
check_grep "title field present"            "name: title"
check_grep "date field present"             "name: date"
check_grep "content field present"          "name: content"
check_grep "photos field present"           "name: photos"
check_grep "lat field present"              "name: lat"
check_grep "lng field present"              "name: lng"
check_grep "location_city field present"    "name: location_city"
check_grep "location_country field present" "name: location_country"

# Fields exposed by U2 (weather picker + transport + advanced trio)
check_grep "weather_desc field present"     "name: weather_desc"
check_grep "weather_temp_c field present"   "name: weather_temp_c"
check_grep "transport_mode field present"   "name: transport_mode"
check_grep "hero_image field present"       "name: hero_image"
check_grep "force_connect field present"    "name: force_connect"
check_grep "featured field present"         "name: featured"

# Photos use Grav's filepond field; post-form.js hooks its beforeAddFile to
# convert HEIC->JPEG before FilePond uploads (U4).
check_grep "photos field uses the filepond type" "type: filepond"

echo "────────────────────────────────────────"
echo "  $PASS passed, $FAIL failed"

if [ ${#ERRORS[@]} -gt 0 ]; then
    echo ""
    echo "Failed checks:"
    for e in "${ERRORS[@]}"; do echo "  → $e"; done
    echo ""
    exit 1
fi
echo ""