local wt = require "wezterm"

local keys = {
    -- splitting
    {
        key = "h",
        mods = "LEADER",
        action = wt.action.SplitVertical {},
    },
    {
        key = "v",
        mods = "LEADER",
        action = wt.action.SplitHorizontal {},
    },

    -- tabs
    {
        key = "t",
        mods = "CTRL|SHIFT",
        action = wt.action.SpawnTab "CurrentPaneDomain",
    },
    {
        key = "t",
        mods = "CTRL",
        action = wt.action.ActivateTabRelative(1),
    },

    -- font size
    {
        key = "+",
        mods = "CTRL",
        action = wt.action.IncreaseFontSize,
    },
    {
        key = "-",
        mods = "CTRL",
        action = wt.action.DecreaseFontSize,
    },

    -- moving panes
    {
        key = "r",
        mods = "LEADER",
        action = wt.action.RotatePanes "Clockwise",
    },
    {
        key = "m",
        mods = "LEADER",
        action = wt.action.PaneSelect {
            mode = "SwapWithActive",
        },
    },

    -- scrolling
    {
        key = "PageUp",
        mods = "ALT",
        action = wt.action.ScrollByPage(-1),
    },
    {
        key = "PageDown",
        mods = "ALT",
        action = wt.action.ScrollByPage(1),
    },

    -- copying
    {
        key = "C",
        mods = "CTRL|SHIFT",
        action = wt.action.CopyTo "ClipboardAndPrimarySelection",
    }
}

local directions = {
    { "h", "Left" },
    { "j", "Down" },
    { "k", "Up" },
    { "l", "Right" },
}

for _, dir in pairs(directions) do
    local dir_key = dir[1]
    local dir_name = dir[2]

    -- switching panes
    table.insert(keys, {
        key = dir_key,
        mods = "ALT",
        action = wt.action.ActivatePaneDirection(dir_name),
    })

    -- resize double in horizontal directions so the absolute amounts are constant
    local resize_amount = (dir_name == "Up" or dir_name == "Down") and 2 or 4

    -- resizing panes
    table.insert(keys, {
        key = dir_key,
        mods = "ALT|SHIFT",
        action = wt.action.AdjustPaneSize { dir_name, resize_amount },
    })
end

return {
    color_scheme = "Dracula (Official)",
    font = wt.font "<% opt.term_font %>",
    window_background_opacity = 0.8,

    disable_default_key_bindings = true,
    leader = { key = "a", mods = "CTRL", timeout_milliseconds = 2000 },
    keys = keys,
}