#!/bin/bash
# =============================================================================
# convertir.sh — Convierte archivos Markdown a HTML y los publica en Apache
# Proyecto: JAK DevOps — workflow cy.yaml
#
# Requisitos:
#   - Ejecutar dentro del job container con /output montado sobre el htdocs de Apache
#   - El runner debe tener valid_volumes: ['/srv/devops/data/apache/**']
# =============================================================================

set -euo pipefail

OUTPUT_DIR="/output"
BASE_URL="https://portaljack.freeddns.org"

# -----------------------------------------------------------------------------
dependencies() {
    echo "[1/3] Instalando dependencias..."
    apt-get update -qq
    apt-get install -y -qq pandoc
    echo "      pandoc $(pandoc --version | head -1 | cut -d' ' -f2) instalado"
}

# -----------------------------------------------------------------------------
convert_to_html() {
    echo "[2/3] Convirtiendo Markdown → HTML..."
    local converted=0
    local errors=0

    for md in *.md; do
        # Guarda ante glob sin matches (bash con set -u no expande *.md si no hay ficheros)
        [ -f "$md" ] || { echo "      [WARN] No se encontraron archivos .md en el directorio de trabajo"; return 0; }

        local filename="${md%.md}"
        echo "      Procesando: $md"

        if pandoc "$md" \
            --standalone \
            --metadata title="$filename" \
            --highlight-style=tango \
            --output "${filename}.html"; then
            converted=$((converted + 1))
        else
            echo "      [ERROR] Fallo al convertir: $md"
            errors=$((errors + 1))
        fi
    done

    echo "      Convertidos: ${converted} | Errores: ${errors}"
    [ "$errors" -eq 0 ] || return 1
}

# -----------------------------------------------------------------------------
deploy() {
    echo "[3/3] Publicando en Apache..."
    local count=0

    # Itera solo los HTML generados a partir de los .md presentes (no recoge HTMLs previos del repo)
    for md in *.md; do
        [ -f "$md" ] || continue
        local html="${md%.md}.html"
        [ -f "$html" ] || continue

        cp "$html" "${OUTPUT_DIR}/"
        count=$((count + 1))
        echo ""
        echo "  ✅ ${BASE_URL}/${html}"
    done

    echo ""
    echo "======================================================"
    echo "  ${count} página(s) publicada(s) en ${BASE_URL}/"
    echo "======================================================"
}

# -----------------------------------------------------------------------------
main() {
    dependencies
    convert_to_html
    deploy
}

main