;;; generate.scm - Walk resume data and produce HTML via SXML
;;; Run with:  guile generate.scm > resume.html

(use-modules (sxml simple))
(load "resume.scm")

;; ─── Utility ──────────────────────────────────────────────────────────────────

(define (bullets items)
  `(ul ,@(map (lambda (s) `(li ,s)) items)))

(define (date-range start end)
  `(span (@ (class "date-range")) ,start " – " ,end))

(define (tech-list techs)
  `(ul (@ (class "tech-list"))
       ,@(map (lambda (t) `(li (@ (class "tech-tag")) ,t)) techs)))

;; ─── Individual cards (all become flat children of .columns) ──────────────────

;; Project card — detail bullets revealed on hover (desktop) or click (mobile)
(define (render-project proj)
  `(div (@ (class "project-card")
           (onclick "this.classList.toggle('open')"))
        (div (@ (class "project-header"))
             (span (@ (class "project-name")) ,(field proj 'name))
             ,(date-range (field proj 'date-start) (field proj 'date-end)))
        (div (@ (class "project-summary"))
             ,(bullets (field proj 'summary-bullets)))
        (div (@ (class "project-details"))
             ,(bullets (field proj 'detail-bullets)))
        ,(tech-list (field proj 'technologies))))

;; Title card: blurb only, no projects nested inside.
;; Projects are emitted as siblings after the title card.
(define (render-title-card tc)
  `(div (@ (class "title-card"))
        (div (@ (class "title-header"))
             (span (@ (class "title-name")) ,(field tc 'title))
             ,(date-range (field tc 'date-start) (field tc 'date-end)))
        (div (@ (class "title-meta"))
             ,(field tc 'company) " • " ,(field tc 'location))
        (div (@ (class "title-blurb"))
             ,(bullets (field tc 'blurb)))))

;; Emit a title card followed by its project cards as a flat list of siblings
(define (render-title-flat tc)
  (append
   (list (render-title-card tc))
   (map render-project (field tc 'projects))))

(define (render-education edu)
  `(div (@ (class "education-card")
           (onclick "this.classList.toggle('open')"))
        (div (@ (class "edu-header"))
             (span (@ (class "edu-degree")) ,(field edu 'degree))
             ,(date-range (field edu 'date-start) (field edu 'date-end)))
        (div (@ (class "edu-meta"))
             ,(field edu 'institution) " • " ,(field edu 'location))
        (div (@ (class "edu-bullets"))
             ,(bullets (field edu 'bullets)))
        (div (@ (class "edu-extras"))
             ,(bullets (field edu 'extracurriculars)))))

(define (render-interest item)
  `(div (@ (class "interest-card"))
        (span (@ (class "interest-title")) ,(field item 'title))
        (span (@ (class "interest-description")) ,(field item 'description))))

(define (render-interests sec)
  `(div (@ (class "interests"))
        ,@(map render-interest (field sec 'items))))

(define (render-favorite-software sec)
  `(div (@ (class "favorite-software"))
        ,@(map (lambda (s) `(span (@ (class "sw-item")) ,s))
               (field sec 'items))))

;; ─── Section → flat list of column children ───────────────────────────────────

(define (section->items sec)
  (case (car sec)
    ((job)
     (apply append (map render-title-flat (field sec 'titles))))
    ((education)
     (list (render-education sec)))
    ((hobby-projects)
     (map render-project (field sec 'projects)))
    ((interests)
     (list (render-interests sec)))
    ((favorite-software)
     (list (render-favorite-software sec)))
    (else '())))

(define (section-label sec)
  (case (car sec)
    ((job)               "Work Experience")
    ((education)         "Education")
    ((hobby-projects)    "Projects")
    ((interests)         "Interests")
    ((favorite-software) "Favorite Software")
    (else                "")))

;; Group consecutive sections of same type, emit one heading per group
(define (sections->flat-items sections)
  (if (null? sections) '()
      (let loop ((rest      (cdr sections))
                 (cur-type  (caar sections))
                 (cur-label (section-label (car sections)))
                 (cur-items (section->items (car sections)))
                 (acc       '()))
        (cond
          ((null? rest)
           ;; flush the last group — acc is already in forward order
           (append acc
                   (list `(h2 (@ (class "sec-heading")) ,cur-label))
                   cur-items))
          ((eq? (caar rest) cur-type)
           ;; same section type: merge items under one heading
           (loop (cdr rest) cur-type cur-label
                 (append cur-items (section->items (car rest)))
                 acc))
          (else
           ;; new section type: flush current group into acc, start new
           (loop (cdr rest)
                 (caar rest)
                 (section-label (car rest))
                 (section->items (car rest))
                 (append acc
                         (list `(h2 (@ (class "sec-heading")) ,cur-label))
                         cur-items)))))))

;; ─── Front matter ─────────────────────────────────────────────────────────────

(define (render-front-matter fm)
  `(header (@ (class "front-matter"))
           (h1 (@ (class "fm-name")) ,(field fm 'name))
           (div (@ (class "fm-contact"))
                (span ,(field fm 'location))
                (span ,(field fm 'email)))))

;; ─── Document ─────────────────────────────────────────────────────────────────

(define (render-resume res)
  (let* ((fm    (field res 'front-matter))
         (items (sections->flat-items (field res 'sections))))
    `(*TOP*
      (html (@ (lang "en"))
            (head
             (meta (@ (charset "UTF-8")))
             (meta (@ (name "viewport") (content "width=device-width, initial-scale=1")))
             (title ,(field fm 'name))
             (link (@ (rel "stylesheet") (href "style.css")))
             ;; Measure the front-matter height after every resize/zoom and
             ;; set .columns height to exactly fill the remaining space.
             (script "
function setColHeight() {
  var fm = document.querySelector('.front-matter');
  var col = document.querySelector('.columns');
  if (!fm || !col) return;
  var used = fm.getBoundingClientRect().height
           + parseInt(getComputedStyle(document.body).paddingTop)  * 2;
  col.style.height = (window.innerHeight - used) + 'px';
}
window.addEventListener('load', setColHeight);
window.addEventListener('resize', setColHeight);
// zoom via ctrl+/-  fires resize in most browsers, but also poll as fallback
var _lastW = window.innerWidth, _lastH = window.innerHeight;
setInterval(function() {
  if (window.innerWidth !== _lastW || window.innerHeight !== _lastH) {
    _lastW = window.innerWidth; _lastH = window.innerHeight;
    setColHeight();
  }
}, 200);
"))
            (body
             ,(render-front-matter fm)
             (main (@ (class "columns"))
                   ,@items))))))

(display "<!DOCTYPE html>\n")
(sxml->xml (render-resume resume))
(newline)