--[
-- Add next to the line number the "git status" of a line.
--]

return {
	"lewis6991/gitsigns.nvim",
	event = { "BufReadPre", "BufNewFile" },
	config = function()
		require("gitsigns").setup({
			signs = {
				add = { text = "┃" },
				change = { text = "┃" },
				delete = { text = "_" },
				topdelete = { text = "‾" },
				changedelete = { text = "~" },
				untracked = { text = "┆" },
			},
			signcolumn = true, -- Toggle with `:Gitsigns toggle_signs`
			numhl = false, -- Toggle with `:Gitsigns toggle_numhl`
			linehl = false, -- Toggle with `:Gitsigns toggle_linehl`
			word_diff = false, -- Toggle with `:Gitsigns toggle_word_diff`
			watch_gitdir = {
				follow_files = true,
			},
			auto_attach = true,
			attach_to_untracked = false,
			current_line_blame = false, -- Toggle with `:Gitsigns toggle_current_line_blame`
			current_line_blame_opts = {
				virt_text = true,
				virt_text_pos = "eol", -- 'eol' | 'overlay' | 'right_align'
				delay = 1000,
				ignore_whitespace = false,
				virt_text_priority = 100,
			},
			current_line_blame_formatter = "<author>, <author_time:%Y-%m-%d> - <summary>",
			-- current_line_blame_formatter_opts = {
			--    relative_time = false,
			-- },
			sign_priority = 6,
			update_debounce = 100,
			status_formatter = nil, -- Use default
			max_file_length = 40000, -- Disable if file is longer than this (in lines)
			preview_config = {
				-- Options passed to nvim_open_win
				border = "single",
				style = "minimal",
				relative = "cursor",
				row = 0,
				col = 1,
			},
			on_attach = function(buf)
				local gs = package.loaded.gitsigns

				-- Navigation
				vim.keymap.set("n", ">h", gs.next_hunk, { desc = "Go to next hunk", buffer = buf })
				vim.keymap.set("n", "<h", gs.prev_hunk, { desc = "Go to previous hunk", buffer = buf })

				-- Actions
				---- Reset and blame hunk
				vim.keymap.set("n", "<leader>hs", gs.stage_hunk, { desc = "Stage hunk", buffer = buf })
				vim.keymap.set("n", "<leader>hr", gs.reset_hunk, { desc = "Reset hunk", buffer = buf })
				vim.keymap.set("v", "<leader>hs", function()
					gs.stage_hunk({ vim.fn.line("."), vim.fn.line("v") })
				end, { desc = "Stage hunk", buffer = buf })
				vim.keymap.set("v", "<leader>hr", function()
					gs.reset_hunk({ vim.fn.line("."), vim.fn.line("v") })
				end, { desc = "Reset hunk", buffer = buf })

				---- Reset and blame hunkcurrent_line_blame_formatter_opts
				vim.keymap.set("n", "<leader>hs", gs.stage_hunk, { desc = "Stage hunk", buffer = buf })
				vim.keymap.set("n", "<leader>hS", gs.stage_buffer, { desc = "Stage current buffer", buffer = buf })
				vim.keymap.set("n", "<leader>hR", gs.reset_buffer, { desc = "Reset current buffer", buffer = buf })

				---- Undo
				vim.keymap.set("n", "<leader>hu", gs.undo_stage_hunk, { desc = "Undo stage hunk", buffer = buf })
				-- vim.keymap.set("n", "<leader>hU", gs.undo_stage_buffer, { desc = "Undo stage buffer", buffer = buf})

				-- Blame
				vim.keymap.set("n", "<leader>hb", function()
					gs.blame_line({ full = true })
				end, { desc = "Toggle line blame", buffer = buf })
				vim.keymap.set(
					"n",
					"<leader>hB",
					gs.toggle_current_line_blame,
					{ desc = "Toggle current line blame", buffer = buf }
				)

				-- Diff
				-- TODO: WTF ?
				vim.keymap.set("n", "<leader>hd", gs.diffthis, { desc = "Diff this", buffer = buf })
				vim.keymap.set("n", "<leader>hD", function()
					gs.diffthis("~")
				end, { desc = "Diff this ~", buffer = buf })

				-- Text objects
				vim.keymap.set(
					{ "o", "x" },
					"<leader>ih",
					"<cmd><C-U>Gitsigns select_hunk<CR>",
					{ desc = "Gitsigns select hunk", buffer = buf }
				)
			end,
		})
	end,
}