local wk = require("which-key")

local mappings = {
    f = {
        name = "Telescope", --optional group name
        b = { "<cmd>Telescope buffers<cr>", "Find Buffer" },
        f = { "<cmd>Telescope find_files<cr>", "Find File" },
        s = { "<cmd>Telescope live_grep<cr>", "Live Grep" },
        h = { "<cmd>Telescope help_tags<cr>", "Find Help" },
        r = { "<cmd>Telescope oldfiles<cr>", "Open Recent File", noremap = false },
		w = { "<cmd>Telescope grep_string<cr>", "Find string under cursor" },
		d = { "<cmd>Telescope lsp_document_symbols<cr>", "Find LSP Symbols" },
		-- does not work as of now: --i = { "<cmd>AdvancedGitSearch<cr>", "Git Search" },
        --n = { "New File" }, --just a label, don't create any mapping
        --e = "Edit File",    --same as above
    },
    t = {
        name = "tabs",
        n = { "<cmd>tabnext<cr>", "Next Tab" },
        p = { "<cmd>tabprevious<cr>", "Previous Tab" },
        f = { "<cmd>tabfirst<cr>", "First Tab" },
        l = { "<cmd>tablast<cr>", "Last Tab" },
        a = { "<cmd>tabnew<cr>", "Add new Tab" },
        c = { "<cmd>tabclose<cr>", "Close Tab" },
        m = {
            name = "Move Tab",
            f = { "<cmd>tabmove 0<cr>", "Move Tab to First" },
            l = { "<cmd>tabmove $<cr>", "Move Tab to Last" },
            i = { ":tabmove ", "Input position to move Tab to" },
        }
    },
    K = { "Show definition" },
    u = { "Toggle undo-tree" },
    i = { "Auto format file with linter(?), also on F3" },
    r = {
        name = "Rename",
        r = { "Rename Variable" }
    },
    l = {
        e = { "Open diagnostic float" }
    },
    w = {
        name = "Workspaces + Whichkey",
        a = { "Add workspace folder" },
        r = { "Remove workspace folder" },
        w = { "<cmd>WhichKey<cr>", "Show keybindings" },
    },
    s = {
        name = "Sessions",
        n = { "New Session" },
        u = { "Update Session" },
        d = { "Delete Session" },
        l = { "Load Session" },
    },
	g = {
		name = "Gitsigns",
		b = { "<cmd>Gitsigns blameline<cr>", "Show Blame Inline" },
		B = { "<cmd>Gitsigns blame<cr>", "Toggle Blame Sidebar" },
		s = {
			name = "stage",
			h = { "<cmd>Gitsigns stage_hunk<cr>", "Stage Hunk"},
			b = { "<cmd>Gitsigns stage_buffer<cr>", "Stage Buffer"},
		},
		h = {
			name = "hunks",
			l = { "<cmd>Gitsigns setloclist<cr>", "List file Changes" },
			n = { "<cmd>Gitsigns nav_hunk<cr>", "Nav Hunk"},
		},
		r = {
			name = "reset",
			h = { "<cmd>Gitsigns reset_hunk<cr>", "Reset Hunk"},
			b = { "<cmd>Gitsigns reset_buffer<cr>", "Reset Buffer"},
		},
		u = { "<cmd>Gitsigns undo_stage_hunk<cr>", "Undo Stage Hunk"},
	},
	n = { "<cmd>nohl<cr>", "Stop highlighting search results" },
}

local opts = {
    mode = "n",
    prefix = '<leader>'
}

wk.register({ mappings, opts, prefix = "<leader>" })
local mappings_leaderless = {
    K = { "Show definition" },
    g = {
        name = "lsp functions",
        d = { "go to definition" },
        D = { "go to declaration" },
        i = { "show implementations" },
        r = { "list all references to symbol under cursor" },
    },
    ["["] = {
        name = "jump backward",
        d = "Previous Diagnostic",
		c = "Previous diff change",
		h = { "<cmd>Gitsigns prev_hunk<cr><cr>", "Previous changed git block" },
    },
    ["]"] = {
        name = "jump forward",
        d = "Next Diagnostic",
		c = "Next diff change",
		h = { "<cmd>Gitsigns next_hunk<cr><cr>", "Next changed git block" },
    },
}
wk.register({ mappings_leaderless, opts })