sudoku.conf

source-file sudoku-data.conf

new-session
new-window -d 'TMUX= tmux -L <%= socket %> attach -t "\$0"'

set -g status 5
set -g status-format[0] "top: <%= full_row 0 %> bottom: <%= full_row 5 %>"
set -g status-format[1] "     <%= full_row 1 %>         <%= full_row 6 %>"
set -g status-format[2] "     <%= full_row 2 %>         <%= full_row 7 %>"
set -g status-format[3] "     <%= full_row 3 %>         <%= full_row 8 %>"
set -g status-format[4] "     <%= full_row 4 %> press q to quit."

bind -n q { kill-server }
bind -n C-c { kill-server }

set -g @quit_on_finish "$TMUX_QUIT_ON_FINISH"
bind -n o { set -g @quit_on_finish 1 }

bind -n n {
  # check if we've solved it yet
  if -F '<%= grid_ok %>' {
    display 'Solved!'
    run -C "set-buffer '<%= show_state %>'"
    if -F '#{@quit_on_finish}' {
      save-buffer sudoku-solution
      kill-server
    } {
      show-buffer
    }
  } {
    # increment the next value by one
    send-keys -t :1 G
  }
}

bind -n G {
  # increment current value
  rename-window '@x<%= x_sub "@blanks", "#S" %>y<%= y_sub "@blanks", "#S" %>'
  run -C "set '#W' '#{e|+:1,#{E:##{#W#}}}'"
  if -F '#{e|>:#{E:##{#W#}},9}' {
    # reset to 1
    run -C "set '#W' '1'"
    # point to next cell
    rename-session '#{e|+:1,#S}'
    if -F '<%= more_array? "@blanks", "#S" %>' {
      send-keys -t :1 G
    } {
      display 'FAILED! oh no!'
    }
  } {
    rename-session '0'
    send-keys -t :1 n
  }
}

send-keys -t :1 n