// this is my custom "system" layout, loosely based on the official
// zellij development layout - it's simplified for desktop use
// and allows me to remain in a single workspace even when I'm
// using a tiling window manager and am constrained to a single
// workspace. It provides default tabs for media, file browsing
// which should be everything that I need, but I may add more
// in the future

layout {
	// define default tab layout
    default_tab_template {
		// tab bar on the top
        pane size=1 borderless=true {
            plugin location="zellij:tab-bar"
        }

		// child tabs and panes
		children

		// status bar on the bottom
		pane size=2 borderless=true {
            plugin location="zellij:status-bar"
        }
    }

	// strider tab uses the strider plugin of zellij
	// which is similar to neovim's nvimtree
	// ...but slower and much less configurable
	tab_template name="strider_tab" {
        pane size=1 borderless=true {
            plugin location="zellij:tab-bar"
        }

		// use the strider plugin on the left side of the screen
		// to achieve a nvim-tree like layout on the left 15% of
		// the terminal window - looks cool but is not flexible
        pane split_direction="Vertical" {
            pane size="15%" name="Filetree" {
                plugin location="zellij:strider"
            }
            children
        }

        pane size=2 borderless=true {
            plugin location="zellij:status-bar"
        }
    }

	// define a template pane for the terminal
	// this once again imitates the neovim layout
	// by providing a terminal instance on the bottom
	// 25% of the screen that enters the z shell when
	// zellij starts - the exec duration for zsh matters
	// here as it'll repeat for each "tab" that exists
	pane_template name="term" {
		// horizontal split to place the terminal
		// on the bottom half of the screen like the
		// toggleterm neovim plugin
        pane split_direction="horizontal" {
            children
            pane command="fish" size="25%" name="Shell"
        }
    }

	// create a "strider tab" for my system configuration
	// which is a tab that utilizes the strider tab template
	// that we have defined earlier, provides a file-tree
	// view in my system config directory, and opens flake.nix
	// with the $EDITOR variable - has focus, is the first tab
	strider_tab name="nichts" cwd="~/projects/nichts" focus=true {
        term split_direction="vertical" {
			// FIXME: edit does not open the file from cwd
			// instead opens a buffer named flake.nix in cwd
			// which should be the original flake.nix
			// but is not
            pane edit="./flake.nix" name="Flake"
        }
    }

	// regular vertical tab that will open btop automatically for
	// viewing active processes in a standalone tab
	// more utilities can go here if seen necessary
	tab name="Processes" split_direction="vertical"  {
        pane {
			// open btop in the home directory
			// doesn't really matter where you open it
		    cwd "$HOME"
			command "btop"
		}
    }

	// the media tab opens musikcube, the TUI music player
	// and pulsemixer for volume control across different
	// audio devices - this is split horizontally so that
	// the mixer covers less space on the screen, at the
	// bottom 35% of the active tab
	tab name="Media" split_direction="vertical" {
		// run musikcube in the Music directory
		// the CWD doesn't really matter as musikcube
		// is capable of binding to mpd daemon but
		// the music directory seemed suitable as
		// the working directory for the player
        pane split_direction="horizontal" name="Player" {
            pane {
				cwd "$HOME/Nextcloud/Media/Music"
				command "ncmpcpp"
			}
        }

		// standalone pane for pulsemixer
		pane split_direction="horizontal" name="Mixer" {
            pane size="35%" {
				command "pulsemixer"
			}
        }
    }

	// The last tab is a file browser that opens in the home directory
	// so that I may freely browse my files and open them using the XDG
	// specs when yazi can handle the file type.
	tab name="Files" split_direction="horizontal" name="Files" {
        pane {
		    cwd "$HOME"
			command "yazi"
		}
    }
}