(ns frontend.modules.shortcut.config
  (:require [frontend.components.commit :as commit]
            [frontend.extensions.srs.handler :as srs]
            [frontend.extensions.pdf.utils :as pdf-utils]
            [frontend.handler.config :as config-handler]
            [frontend.handler.editor :as editor-handler]
            [frontend.handler.history :as history]
            [frontend.handler.page :as page-handler]
            [frontend.handler.route :as route-handler]
            [frontend.handler.search :as search-handler]
            [frontend.handler.ui :as ui-handler]
            [frontend.handler.plugin :as plugin-handler]
            [frontend.modules.shortcut.before :as m]
            [frontend.state :as state]
            [frontend.util :refer [mac?] :as util]
            [frontend.commands :as commands]))

;; TODO: how to extend this for plugins usage? An atom?
(def default-config
  {:shortcut.handler/date-picker
   {:date-picker/complete
    {:desc    "Date picker: Choose selected day"
     :binding "enter"
     :fn      ui-handler/shortcut-complete}
    :date-picker/prev-day
    {:desc    "Date picker: Select previous day"
     :binding "left"
     :fn      ui-handler/shortcut-prev-day}
    :date-picker/next-day
    {:desc    "Date picker: Select next day"
     :binding "right"
     :fn      ui-handler/shortcut-next-day}
    :date-picker/prev-week
    {:desc    "Date picker: Select previous week"
     :binding "up"
     :fn      ui-handler/shortcut-prev-week}
    :date-picker/next-week
    {:desc    "Date picker: Select next week"
     :binding "down"
     :fn      ui-handler/shortcut-next-week}}

   :shortcut.handler/pdf
   ^{:before m/prevent-default-behavior}
   {:pdf/previous-page
    {:desc    "Previous page of current pdf doc"
     :binding "ctrl+p"
     :fn      pdf-utils/prev-page}
    :pdf/next-page
    {:desc    "Next page of current pdf doc"
     :binding "ctrl+n"
     :fn      pdf-utils/next-page}}

   :shortcut.handler/auto-complete
   {:auto-complete/complete
    {:desc    "Auto-complete: Choose selected item"
     :binding "enter"
     :fn      ui-handler/auto-complete-complete}
    :auto-complete/prev
    {:desc    "Auto-complete: Select previous item"
     :binding "up"
     :fn      ui-handler/auto-complete-prev}
    :auto-complete/next
    {:desc    "Auto-complete: Select next item"
     :binding "down"
     :fn      ui-handler/auto-complete-next}
    :auto-complete/shift-complete
    {:desc    "Auto-complete: Open selected item in sidebar"
     :binding "shift+enter"
     :fn      ui-handler/auto-complete-shift-complete}}

   :shortcut.handler/cards
   {:cards/toggle-answers
    {:desc    "Cards: show/hide answers/clozes"
     :binding "s"
     :fn      srs/toggle-answers}
    :cards/next-card
    {:desc    "Cards: next card"
     :binding "n"
     :fn      srs/next-card}
    :cards/forgotten
    {:desc    "Cards: forgotten"
     :binding "f"
     :fn      srs/forgotten}
    :cards/remembered
    {:desc    "Cards: remembered"
     :binding "r"
     :fn      srs/remembered}
    :cards/recall
    {:desc    "Cards: take a while to recall"
     :binding "t"
     :fn      srs/recall}}

   :shortcut.handler/block-editing-only
   ^{:before m/enable-when-editing-mode!}
   {:editor/escape-editing
    {:desc    "Escape editing (remap to ctrl+open-square-bracket for example)"
     :binding false
     :fn      (fn [_ _] (editor-handler/escape-editing))}
    :editor/backspace
    {:desc    "Backspace / Delete backwards"
     :binding "backspace"
     :fn      editor-handler/editor-backspace}
    :editor/delete
    {:desc    "Delete / Delete forwards"
     :binding "delete"
     :fn      editor-handler/editor-delete}
    :editor/new-block
    {:desc    "Create new block"
     :binding "enter"
     :fn      editor-handler/keydown-new-block-handler}
    :editor/new-line
    {:desc    "New line in current block"
     :binding "shift+enter"
     :fn      editor-handler/keydown-new-line-handler}
    :editor/cycle-todo
    {:desc    "Rotate the TODO state of the current item"
     :binding "mod+enter"
     :fn      editor-handler/cycle-todo!}
    :editor/follow-link
    {:desc    "Follow link under cursor"
     :binding "mod+o"
     :fn      editor-handler/follow-link-under-cursor!}
    :editor/open-link-in-sidebar
    {:desc    "Open link in sidebar"
     :binding "mod+shift+o"
     :fn      editor-handler/open-link-in-sidebar!}
    :editor/bold
    {:desc    "Bold"
     :binding "mod+b"
     :fn      editor-handler/bold-format!}
    :editor/italics
    {:desc    "Italics"
     :binding "mod+i"
     :fn      editor-handler/italics-format!}
    :editor/highlight
    {:desc    "Highlight"
     :binding "mod+shift+h"
     :fn      editor-handler/highlight-format!}
    :editor/strike-through
    {:desc    "Strikethrough"
     :binding "mod+shift+s"
     :fn      editor-handler/strike-through-format!}
    :editor/move-block-up
    {:desc    "Move block up"
     :binding (if mac? "mod+shift+up"  "alt+shift+up")
     :fn      (editor-handler/move-up-down true)}
    :editor/move-block-down
    {:desc    "Move block down"
     :binding (if mac? "mod+shift+down" "alt+shift+down")
     :fn      (editor-handler/move-up-down false)}
    :editor/clear-block
    {:desc    "Delete entire block content"
     :binding (if mac? "ctrl+l" "alt+l")
     :fn      editor-handler/clear-block-content!}
    :editor/kill-line-before
    {:desc    "Delete line before cursor position"
     :binding (if mac? "ctrl+u" "alt+u")
     :fn      editor-handler/kill-line-before!}
    :editor/kill-line-after
    {:desc    "Delete line after cursor position"
     :binding (if mac? false "alt+k")
     :fn      editor-handler/kill-line-after!}
    :editor/beginning-of-block
    {:desc    "Move cursor to the beginning of a block"
     :binding (if mac? false "alt+a")
     :fn      editor-handler/beginning-of-block}
    :editor/end-of-block
    {:desc    "Move cursor to the end of a block"
     :binding (if mac? false "alt+e")
     :fn      editor-handler/end-of-block}
    :editor/forward-word
    {:desc    "Move cursor forward a word"
     :binding (if mac? "ctrl+shift+f" "alt+f")
     :fn      editor-handler/cursor-forward-word}
    :editor/backward-word
    {:desc    "Move cursor backward a word"
     :binding (if mac? "ctrl+shift+b" "alt+b")
     :fn      editor-handler/cursor-backward-word}
    :editor/forward-kill-word
    {:desc    "Delete a word forwards"
     :binding (if mac? "ctrl+w" "alt+d")
     :fn      editor-handler/forward-kill-word}
    :editor/backward-kill-word
    {:desc    "Delete a word backwards"
     :binding (if mac? false "alt+w")
     :fn      editor-handler/backward-kill-word}
    :editor/replace-block-reference-at-point
    {:desc "Replace block reference with its content at point"
     :binding "mod+shift+r"
     :fn editor-handler/replace-block-reference-with-content-at-point}
    :editor/paste-text-in-one-block-at-point
    {:desc "Paste text into one block at point"
     :binding "mod+shift+v"
     :fn editor-handler/paste-text-in-one-block-at-point}
    :editor/insert-youtube-timestamp
    {:desc    "Insert youtube timestamp"
     :binding "mod+shift+y"
     :fn      commands/insert-youtube-timestamp}}

   :shortcut.handler/editor-global
   ^{:before m/enable-when-not-component-editing!}
   {:editor/up
    {:desc    "Move cursor up / Select up"
     :binding "up"
     :fn      (editor-handler/shortcut-up-down :up)}
    :editor/down
    {:desc    "Move cursor down / Select down"
     :binding "down"
     :fn      (editor-handler/shortcut-up-down :down)}
    :editor/left
    {:desc    "Move cursor left / Open selected block at beginning"
     :binding "left"
     :fn      (editor-handler/shortcut-left-right :left)}
    :editor/right
    {:desc    "Move cursor right / Open selected block at end"
     :binding "right"
     :fn      (editor-handler/shortcut-left-right :right)}
    ;; FIXME
    ;; add open edit in non-selection mode
    :editor/open-edit
    {:desc    "Edit selected block"
     :binding "enter"
     :fn      (partial editor-handler/open-selected-block! :right)}
    :editor/select-block-up
    {:desc    "Select block above"
     :binding "shift+up"
     :fn      (editor-handler/on-select-block :up)}
    :editor/select-block-down
    {:desc    "Select block below"
     :binding "shift+down"
     :fn      (editor-handler/on-select-block :down)}
    :editor/delete-selection
    {:desc    "Delete selected blocks"
     :binding ["backspace" "delete"]
     :fn      editor-handler/delete-selection}
    :editor/expand-block-children
    {:desc    "Expand"
     :binding "mod+down"
     :fn      editor-handler/expand!}
    :editor/collapse-block-children
    {:desc    "Collapse"
     :binding "mod+up"
     :fn      editor-handler/collapse!}
    :editor/indent
    {:desc    "Indent block"
     :binding "tab"
     :fn      (editor-handler/keydown-tab-handler :right)}
    :editor/outdent
    {:desc    "Outdent block"
     :binding "shift+tab"
     :fn      (editor-handler/keydown-tab-handler :left)}
    :editor/copy
    {:desc    "Copy (copies either selection, or block reference)"
     :binding "mod+c"
     :fn      editor-handler/shortcut-copy}
    :editor/cut
    {:desc    "Cut"
     :binding "mod+x"
     :fn      editor-handler/shortcut-cut}
    :editor/undo
    {:desc    "Undo"
     :binding "mod+z"
     :fn      history/undo!}
    :editor/redo
    {:desc    "Redo"
     :binding ["shift+mod+z" "mod+y"]
     :fn      history/redo!}}

   :shortcut.handler/global-prevent-default
   ^{:before m/prevent-default-behavior}
   {:editor/insert-link
    {:desc    "HTML Link"
     :binding "mod+l"
     :fn      editor-handler/html-link-format!}
    :editor/select-all-blocks
    {:desc    "Select all blocks"
     :binding "mod+shift+a"
     :fn      editor-handler/select-all-blocks!}
    :editor/zoom-in
    {:desc    "Zoom in editing block / Forwards otherwise"
     :binding (if mac? "mod+." "alt+right")
     :fn      editor-handler/zoom-in!}
    :editor/zoom-out
    {:desc    "Zoom out editing block / Backwards otherwise"
     :binding (if mac? "mod+," "alt+left")
     :fn      editor-handler/zoom-out!}
    :ui/toggle-brackets
    {:desc    "Toggle whether to display brackets"
     :binding "mod+c mod+b"
     :fn      config-handler/toggle-ui-show-brackets!}
    :go/search-in-page
    {:desc    "Search in the current page"
     :binding ["mod+shift+k" "mod+shift+u"]
     :fn      #(route-handler/go-to-search! :page)}
    :go/search
    {:desc    "Full text search"
     :binding ["mod+k" "mod+u"]
     :fn      #(route-handler/go-to-search! :global)}
    :go/journals
    {:desc    "Jump to journals"
     :binding (if mac? "mod+j" "alt+j")
     :fn      route-handler/go-to-journals!}
    :go/backward
    {:desc    "Backwards"
     :binding "mod+open-square-bracket"
     :fn      (fn [_] (js/window.history.back))}
    :go/forward
    {:desc    "Forwards"
     :binding "mod+close-square-bracket"
     :fn      (fn [_] (js/window.history.forward))}
    :search/re-index
    {:desc    "Rebuild search index"
     :binding "mod+c mod+s"
     :fn      search-handler/rebuild-indices!}
    :sidebar/open-today-page
    {:desc    "Open today's page in the right sidebar"
     :binding (if mac? "mod+shift+j" "alt+shift+j")
     :fn      page-handler/open-today-in-sidebar}
    :sidebar/clear
    {:desc    "Clear all in the right sidebar"
     :binding "mod+c mod+c"
     :fn      #(do
                 (state/clear-sidebar-blocks!)
                 (state/hide-right-sidebar!))}}

   :shortcut.handler/misc
   ;; always overrides the copy due to "mod+c mod+s"
   {:misc/copy
    {:binding "mod+c"
     :fn     (fn [] (js/document.execCommand "copy"))}

    :command-palette/toggle
    {:desc "Toggle command palette"
     :binding "mod+shift+p"
     :fn  (fn [] (state/toggle! :ui/command-palette-open?))}}

   :shortcut.handler/global-non-editing-only
   ^{:before m/enable-when-not-editing-mode!}
   {:command/run
    {:desc    "Run git command"
     :binding "mod+shift+1"
     :fn      #(state/pub-event! [:command/run])}
    :go/home
    {:desc    "Go to home"
     :binding "g h"
     :fn      #(route-handler/redirect! {:to :home})}
    :go/keyboard-shortcuts
    {:desc    "Go to keyboard shortcuts"
     :binding "g s"
     :fn      #(route-handler/redirect! {:to :shortcut-setting})}
    :ui/toggle-document-mode
    {:desc    "Toggle document mode"
     :binding "t d"
     :fn      state/toggle-document-mode!}
    :ui/toggle-settings
    {:desc    "Toggle settings"
     :binding (if mac? "t s" ["t s" "mod+,"])
     :fn      ui-handler/toggle-settings-modal!}
    :ui/toggle-right-sidebar
    {:desc    "Toggle right sidebar"
     :binding "t r"
     :fn      ui-handler/toggle-right-sidebar!}
    :ui/toggle-help
    {:desc    "Toggle help"
     :binding "shift+/"
     :fn      ui-handler/toggle-help!}
    :ui/toggle-theme
    {:desc    "Toggle between dark/light theme"
     :binding "t t"
     :fn      state/toggle-theme!}
    :ui/toggle-contents
    {:desc    "Toggle Favorites in sidebar"
     :binding "t f"
     :fn      ui-handler/toggle-contents!}
    :ui/toggle-wide-mode
    {:desc    "Toggle wide mode"
     :binding "t w"
     :fn      ui-handler/toggle-wide-mode!}
    :ui/select-theme-color
    {:desc    "Select available theme colors"
     :binding    "t i"
     :fn      plugin-handler/show-themes-modal!}
    :ui/goto-plugins
    {:desc    "Go to plugins dashboard"
     :binding    "t p"
     :fn      plugin-handler/goto-plugins-dashboard!}
    :editor/toggle-open-blocks
    {:desc    "Toggle open blocks (collapse or expand all blocks)"
     :binding "t o"
     :fn      editor-handler/toggle-open!}
    :ui/toggle-cards
    {:desc    "Toggle cards"
     :binding "t c"
     :fn      ui-handler/toggle-cards!}
    ;; :ui/toggle-between-page-and-file route-handler/toggle-between-page-and-file!
    :git/commit
    {:desc    "Git commit message"
     :binding "c"
     :fn      commit/show-commit-modal!}}})


;; Categories for docs purpose
(def category
  {:shortcut.category/basics
   ^{:doc "Basics"}
   [:editor/new-block
    :editor/new-line
    :editor/indent
    :editor/outdent
    :editor/select-all-blocks
    :go/search
    :go/search-in-page
    :editor/undo
    :editor/redo
    :editor/copy
    :editor/cut]

   :shortcut.category/formatting
   ^{:doc "Formatting"}
   [:editor/bold
    :editor/insert-link
    :editor/italics
    :editor/highlight]

   :shortcut.category/navigating
   ^{:doc "Navigation"}
   [:editor/up
    :editor/down
    :editor/left
    :editor/right
    :editor/zoom-in
    :editor/zoom-out
    :editor/collapse-block-children
    :editor/expand-block-children
    :editor/toggle-open-blocks
    :go/backward
    :go/forward]

   :shortcut.category/block-editing
   ^{:doc "Block editing general"}
   [:editor/backspace
    :editor/delete
    :editor/indent
    :editor/outdent
    :editor/new-block
    :editor/new-line
    :editor/zoom-in
    :editor/zoom-out
    :editor/cycle-todo
    :editor/follow-link
    :editor/open-link-in-sidebar
    :editor/move-block-up
    :editor/move-block-down
    :editor/escape-editing]

   :shortcut.category/block-command-editing
   ^{:doc "Block command editing"}
   [:editor/backspace
    :editor/clear-block
    :editor/kill-line-before
    :editor/kill-line-after
    :editor/beginning-of-block
    :editor/end-of-block
    :editor/forward-word
    :editor/backward-word
    :editor/forward-kill-word
    :editor/backward-kill-word
    :editor/replace-block-reference-at-point
    :editor/paste-text-in-one-block-at-point]

   :shortcut.category/block-selection
   ^{:doc "Block selection (press Esc to quit selection)"}
   [:editor/open-edit
    :editor/select-all-blocks
    :editor/select-block-up
    :editor/select-block-down
    :editor/delete-selection]

   :shortcut.category/toggle
   ^{:doc "Toggle"}
   [:ui/toggle-help
    :editor/toggle-open-blocks
    :ui/toggle-wide-mode
    :ui/toggle-cards
    :ui/toggle-document-mode
    :ui/toggle-brackets
    :ui/toggle-theme
    :ui/toggle-right-sidebar
    :ui/toggle-settings
    :ui/toggle-contents]

   :shortcut.category/others
   ^{:doc "Others"}
   [:go/home
    :go/journals
    :command/run
    :command-palette/toggle
    :sidebar/clear
    :sidebar/open-today-page
    :search/re-index
    :editor/insert-youtube-timestamp
    :auto-complete/prev
    :auto-complete/next
    :auto-complete/complete
    :auto-complete/shift-complete
    :date-picker/prev-day
    :date-picker/next-day
    :date-picker/prev-week
    :date-picker/next-week
    :date-picker/complete]})