;; Phase 4 — external CMS sync via injected adapter. Import/export round-trip.

(st-bootstrap-classes!)
(content-bootstrap-blocks!)
(content-bootstrap-doc!)
(content-bootstrap-render!)

;; ── a Ghost post (external shape) ──
(define post {:sections (list {:id "h" :text "Hello" :kind "heading" :level 1} {:id "p" :text "World" :kind "paragraph"} {:id "i" :src "/c.png" :alt "cat" :kind "image"} {:id "d" :kind "hr"} {:items (list "a" "b") :id "l" :kind "list" :ordered true}) :title "Hello"})

;; ── import (delegates to adapter) ──
(define doc (content/import ghost-adapter post "post"))
(content-test "import doc-id" (doc-id doc) "post")
(content-test "import ids" (doc-ids doc) (list "h" "p" "i" "d" "l"))
(content-test
  "import types"
  (doc-types doc)
  (list "heading" "text" "image" "divider" "list"))
(content-test
  "import renders"
  (content/render doc "html")
  "<h1>Hello</h1><p>World</p><img src=\"/c.png\" alt=\"cat\"><hr><ol><li>a</li><li>b</li></ol>")
(content-test
  "import preserves heading level"
  (blk-send (doc-find doc "h") "level")
  1)
(content-test
  "import preserves list items"
  (blk-send (doc-find doc "l") "items")
  (list "a" "b"))

;; ── export (delegates to adapter) ──
(define out (content/export ghost-adapter doc))
(content-test
  "export sections round-trip"
  (get out :sections)
  (get post :sections))

;; ── round-trip: export then import yields the same document ──
(define doc2 (content/round-trip ghost-adapter doc))
(content-test "round-trip ids" (doc-ids doc2) (doc-ids doc))
(content-test
  "round-trip render"
  (content/render doc2 "html")
  (content/render doc "html"))

;; ── round-trip the external form: import . export . import == import ──
(content-test
  "external round-trip sections"
  (get
    (content/export ghost-adapter (content/import ghost-adapter post "post"))
    :sections)
  (get post :sections))

;; ── core knows nothing about Ghost: a different (stub) adapter works the same ──
(define raw-adapter {:export (fn (d) (str (blk-send (doc-find d "only") "text"))) :import (fn (ext doc-id) (doc-new doc-id (list (mk-text "only" ext))))})
(define rdoc (content/import raw-adapter "just text" "r"))
(content-test "alt adapter import" (doc-ids rdoc) (list "only"))
(content-test
  "alt adapter export"
  (content/export raw-adapter rdoc)
  "just text")

;; ── code / quote / embed kinds round-trip ──
(define post2 {:sections (list {:id "c" :text "(+ 1 2)" :kind "code" :language "sx"} {:cite "Ada" :id "q" :text "to err" :kind "quote"} {:id "e" :provider "vimeo" :kind "embed" :url "https://v/1"})})
(define d3 (content/import ghost-adapter post2 "p2"))
(content-test
  "code/quote/embed types"
  (doc-types d3)
  (list "code" "quote" "embed"))
(content-test
  "code/quote/embed round-trip"
  (get (content/export ghost-adapter d3) :sections)
  (get post2 :sections))