--   ╭──────────────────────────────────────────────────────────────────────╮
--   │                                                                      │
--   │                          PLUGINS: Diffview                           │
--   │                                                                      │
--   │               https://github.comsindrets/diffview.nvim               │
--   │                                                                      │
--   ╰──────────────────────────────────────────────────────────────────────╯

return {
	"sindrets/diffview.nvim",
	dependencies = "nvim-lua/plenary.nvim",
	cmd = {
		"DiffviewOpen",
		"DiffviewFileHistory",
		"DiffviewFocusFiles",
		"DiffviewToggleFiles",
		"DiffviewRefresh",
	},
	config = function()
		local actions = require("diffview.actions")
		require("diffview").setup({
			diff_binaries = false, -- Show diffs for binaries
			enhanced_diff_hl = false, -- See ':h diffview-config-enhanced_diff_hl'
			git_cmd = { "git" }, -- The git executable followed by default args.
			use_icons = true, -- Requires nvim-web-devicons
			icons = { -- Only applies when use_icons is true.
				folder_closed = "",
				folder_open = "",
			},
			signs = {
				fold_closed = "",
				fold_open = "",
			},
			file_panel = {
				listing_style = "tree", -- One of 'list' or 'tree'
				tree_options = { -- Only applies when listing_style is 'tree'
					flatten_dirs = true, -- Flatten dirs that only contain one single dir
					folder_statuses = "only_folded", -- One of 'never', 'only_folded' or 'always'.
				},
				win_config = { -- See ':h diffview-config-win_config'
					position = "left",
					width = 35,
				},
			},
			file_history_panel = {
				git = {
					log_options = { -- See ':h diffview-config-log_options'
						single_file = {
							diff_merges = "combined",
						},
						multi_file = {
							diff_merges = "first-parent",
						},
					},
				},
				win_config = { -- See ':h diffview-config-win_config'
					position = "bottom",
					height = 16,
				},
			},
			commit_log_panel = {
				win_config = {}, -- See ':h diffview-config-win_config'
			},
			default_args = { -- Default args prepended to the arg-list for the listed commands
				DiffviewOpen = {},
				DiffviewFileHistory = {},
			},
			hooks = {}, -- See ':h diffview-config-hooks'
			keymaps = {
				disable_defaults = false, -- Disable the default keymaps
				view = {
					-- The `view` bindings are active in the diff buffers, only when the current
					-- tabpage is a Diffview.
					["<tab>"] = actions.select_next_entry, -- Open the diff for the next file
					["<s-tab>"] = actions.select_prev_entry, -- Open the diff for the previous file
					["gf"] = actions.goto_file, -- Open the file in a new split in the previous tabpage
					["<C-w><C-f>"] = actions.goto_file_split, -- Open the file in a new split
					["<C-w>gf"] = actions.goto_file_tab, -- Open the file in a new tabpage
					["<leader>e"] = actions.focus_files, -- Bring focus to the files panel
					["<leader>b"] = actions.toggle_files, -- Toggle the files panel.
				},
				file_panel = {
					["j"] = actions.next_entry, -- Bring the cursor to the next file entry
					["<down>"] = actions.next_entry,
					["k"] = actions.prev_entry, -- Bring the cursor to the previous file entry.
					["<up>"] = actions.prev_entry,
					["<cr>"] = actions.select_entry, -- Open the diff for the selected entry.
					["o"] = actions.select_entry,
					["<2-LeftMouse>"] = actions.select_entry,
					["-"] = actions.toggle_stage_entry, -- Stage / unstage the selected entry.
					["S"] = actions.stage_all, -- Stage all entries.
					["U"] = actions.unstage_all, -- Unstage all entries.
					["X"] = actions.restore_entry, -- Restore entry to the state on the left side.
					["R"] = actions.refresh_files, -- Update stats and entries in the file list.
					["L"] = actions.open_commit_log, -- Open the commit log panel.
					["<c-b>"] = actions.scroll_view(-0.25), -- Scroll the view up
					["<c-f>"] = actions.scroll_view(0.25), -- Scroll the view down
					["<tab>"] = actions.select_next_entry,
					["<s-tab>"] = actions.select_prev_entry,
					["gf"] = actions.goto_file,
					["<C-w><C-f>"] = actions.goto_file_split,
					["<C-w>gf"] = actions.goto_file_tab,
					["i"] = actions.listing_style, -- Toggle between 'list' and 'tree' views
					["f"] = actions.toggle_flatten_dirs, -- Flatten empty subdirectories in tree listing style.
					["<leader>e"] = actions.focus_files,
					["<leader>b"] = actions.toggle_files,
				},
				file_history_panel = {
					["g!"] = actions.options, -- Open the option panel
					["<C-A-d>"] = actions.open_in_diffview, -- Open the entry under the cursor in a diffview
					["y"] = actions.copy_hash, -- Copy the commit hash of the entry under the cursor
					["L"] = actions.open_commit_log,
					["zR"] = actions.open_all_folds,
					["zM"] = actions.close_all_folds,
					["j"] = actions.next_entry,
					["<down>"] = actions.next_entry,
					["k"] = actions.prev_entry,
					["<up>"] = actions.prev_entry,
					["<cr>"] = actions.select_entry,
					["o"] = actions.select_entry,
					["<2-LeftMouse>"] = actions.select_entry,
					["<c-b>"] = actions.scroll_view(-0.25),
					["<c-f>"] = actions.scroll_view(0.25),
					["<tab>"] = actions.select_next_entry,
					["<s-tab>"] = actions.select_prev_entry,
					["gf"] = actions.goto_file,
					["<C-w><C-f>"] = actions.goto_file_split,
					["<C-w>gf"] = actions.goto_file_tab,
					["<leader>e"] = actions.focus_files,
					["<leader>b"] = actions.toggle_files,
				},
				option_panel = {
					["<tab>"] = actions.select_entry,
					["q"] = actions.close,
				},
			},
		})
	end,
}