#################################
# Convenience functions
#################################

define-command filetype-hook -params 2 %{
    hook global WinSetOption "filetype=(%arg{1})" "%arg(2)"
}

#################################
# Generic mappings
#################################

# Comments
map global normal '$'     -docstring 'Comment the selected lines' ': comment-line<ret>'
map global normal '<a-$>' -docstring 'Comment the selected block with begin/end characters' ': comment-block<ret>'

map global normal '*' -docstring 'Select all occurrences of the current selection set' 'bw*%s<ret>'

define-command cq -docstring 'Quit with an (arbitrary) error code' %{q 666}

# define-command pwd -docstring 'Print the current working directory' %{ evaluate-commands %sh{ echo "echo -markup {Information}$PWD" } }

# Use Tab and Shift-Tab to navigate completion in insert mode.
hook global InsertCompletionShow .* %{
    try %{
        execute-keys -draft 'h<a-K>\h<ret>'
        map window insert <tab> <c-n>
        map window insert <s-tab> <c-p>
        hook -once -always window InsertCompletionHide .* %{
            map window insert <tab> <tab>
            map window insert <s-tab> <s-tab>
        }
    }
}

map global normal <tab>   -docstring 'Swap selections cursor and anchor' '<a-;>'
map global normal <a-tab> -docstring 'Ensure selection cursor is after anchor' '<a-:>'


#################################
# Generic config
#################################

set-option -add global ui_options ncurses_assistant=none
set-option -add global ui_options ncurses_set_title=yes
set-option -add global ui_options ncurses_padding_char=╱ # Examples: ▚ ╳ ╱ ┼
set-option -add global ui_options ncurses_padding_fill=yes

# Indent with 2 spaces and make tabs appear as 2 spaces.
set-option global tabstop 4
set-option global indentwidth 4

# tabs to spaces
hook global InsertChar \t %{
    exec -draft h@
}

# keep space around cursor
set-option global scrolloff 10,10

# Add characters as matching pairs
set-option -add global matching_pairs ‹ › « » “ ” ‘ ’

# Autoformat (indent) line (if formatcmd is defined for the current filetype).
map global normal '=' ': format<ret>' -docstring 'format'

# Paths
map global prompt <a-?> -docstring 'Current buffer name' '<c-r>%'
map global prompt <a-/> -docstring 'Current buffer directory' '%sh(dirname "$kak_bufname")<a-!>/'

hook global ModuleLoaded x11 %{
    set global termcmd 'terminator -e '
    alias global terminal x11-terminal
}

# Persistent history across sessions.
hook global KakEnd .* %{ echo -to-file .kak_history -quoting kakoune reg : %reg{:} }
hook global KakBegin .* %{ try %{ source .kak_history } }



#################################
# Highlighting
#################################

add-highlighter global/matching show-matching
add-highlighter global/wrap wrap -word -indent -marker ⤷
add-highlighter global/suspicicous-whitespaces show-whitespaces -tab ⭲ -nbsp · -spc " " -lf " "
add-highlighter global/trailing-whitespaces regex '\h+$' 0:error

colorscheme nojhan

# Highlight generic tags
hook global WinSetOption comment_line=(.+) %{
    add-highlighter -override window/here  regex "(HERE)"   1:rgb:ffff00,rgb:ff0000+FB
    add-highlighter -override window/fixme regex "(FIXME)"  1:rgb:ffff00,rgb:ff0000+Fb
    add-highlighter -override window/todo  regex "(TODO)"   1:rgb:000000,rgb:ff00ff+Fb
    add-highlighter -override window/note  regex "(NOTE)"   1:rgb:000000,rgb:a5c261+Fb
}

# Show line numbers (and highlight current cursor line)
hook global WinCreate ^[^*]+$ %{
    add-highlighter window/ number-lines # -hlcursor
}


#################################
# Language specifics
#################################

filetype-hook makefile %{
    set-option window indentwidth 0
}

filetype-hook latex %{
    set-option buffer autowrap_column 80
    autowrap-enable
}

filetype-hook markdown %{
    set-option buffer autowrap_column 80
    autowrap-enable
}

filetype-hook c|cpp %{
    clang-enable-autocomplete
    clang-enable-diagnostics
    alias window lint clang-parse
    alias window lint-next-error clang-diagnostics-next
    set-option buffer formatcmd "clang-format -style='WebKit'"
    map global normal A ': c-family-alternative-file'
}

filetype-hook python %{
    jedi-enable-autocomplete
    lint-enable
    set-option global lintcmd 'flake8'
}


#################################
# Plugins
#################################

# Autoinstall plug.kak if necessary.
evaluate-commands %sh{
    plugins="$HOME/.config/kak/plugins"
    mkdir -p $plugins
    [ ! -e "$plugins/plug.kak" ] && \
        git clone -q https://github.com/andreyorst/plug.kak "$plugins/plug.kak"
    printf "%s\n" "source '$plugins/plug.kak/rc/plug.kak'"
}
# Load the plugin manager.
plug "andreyorst/plug.kak" noload

# Buffers list.
plug 'delapouite/kakoune-buffers' %{
    hook global WinDisplay .* info-buffers
    map global normal à ': enter-buffers-mode<ret>' -docstring 'buffers'
    map global normal À ': enter-user-mode -lock buffers<ret>' -docstring 'buffers (lock)'
}

# Multi-select all identical characters in the column.
plug 'occivink/kakoune-vertical-selection' %{
    map global user <down> -docstring "Select all identical characters in the column downward" ': vertical-selection-down<ret>'
    map global user <up>   -docstring "Select all identical characters in the column upward"   ': vertical-selection-up<ret>'
}

# System clipboard integration.
plug "lePerdu/kakboard" %{
    hook global WinCreate .* %{ kakboard-enable }
}

# Fuzzy search
plug "andreyorst/fzf.kak" %{
    map global normal <c-p> ': fzf-mode<ret>'
}

# ctags tagbar FIXME does not work out of tmux
plug "andreyorst/tagbar.kak" defer "tagbar" %{
    set-option global tagbar_sort false
    set-option global tagbar_size 40
    set-option global tagbar_display_anon false
} config %{
    # if you have wrap highlighter enamled in you configuration
    # files it's better to turn it off for tagbar, using this hook:
    hook global WinSetOption filetype=tagbar %{
        remove-highlighter window/wrap
        # you can also disable rendering whitespaces here, line numbers, and
        # matching characters
    }
    # To see what filetypes are supported use `ctags --list-kinds | awk '/^\w+/'
    hook global WinSetOption filetype=(c|cpp|rust) %{
        tagbar-enable
    }
}

plug 'delapouite/kakoune-cd' %{
  # Suggested mapping
  map global user c ': enter-user-mode cd<ret>' -docstring 'cd'
  # Suggested aliases
  alias global cdb change-directory-current-buffer
  alias global cdr change-directory-project-root
  alias global ecd edit-current-buffer-directory
  alias global pwd print-working-directory
}
# Automatically change working directory to be the buffer's one.
hook global WinDisplay .* %{
    # require delapouite/kakoune-cd
    change-directory-current-buffer
}

# Like alexherbo2/search-highlighter.kak, but which actually works.
# face global Search white,yellow
def search-highlight-enable %{
  hook window -group search-highlight NormalKey [/?*nN]|<a-[/?*nN]> %{ try %{
    addhl window/search dynregex '%reg{/}' 0:Search
  }}
  hook window -group search-highlight NormalKey <esc> %{ rmhl window/search}
}
def search-highlight-disable %{
  rmhl window/search
  rmhooks window search-highlight
}
# Always highlight search.
hook global WinDisplay .* %{
    search-highlight-enable
}