#!/usr/bin/env bash

# a collection of addition plugins for neovim with lazy
DEST=${1:-/etc/skel}
LAZY_DEST=${DEST}/.config/nvim/lua/plugins

# conf-print() {
# 	cat <<-EOF
# 
# 	EOF
# }
# conf_print > ${DEST}

# nvim-dap Debug Adapter Protocol client
# https://microsoft.github.io/debug-adapter-protocol/implementors/adapters/
# nvim-dap-python An extension for nvim-dap for python debug, test methods or classes.
conf_print_nvim-dap() {
	cat <<-EOF
		  return {
		    {
		      "mfussenegger/nvim-dap",
		      optional = true,
		      dependencies = {
		          "mfussenegger/nvim-dap-python",
		          keys = {
		            { "<leader>dPt", function() require('dap-python').test_method() end, desc = "Debug Method", ft = "python" },
		            { "<leader>dPc", function() require('dap-python').test_class() end, desc = "Debug Class", ft = "python" },
		          },
		          config = function()
		            local path = require("mason-registry").get_package("debugpy"):get_install_path()
		            require("dap-python").setup(path .. "/venv/bin/python")
		          end,
		      },
		    }
		  }
	EOF
}

conf_print_nvim-dap >"${LAZY_DEST}/nvim-dap-python.lua"


# https://github.com/folke/lazy.nvim
conf-print-nvim-lazygit() {
cat <<-EOF
  require("lazy").setup({
      {
          "kdheepak/lazygit.nvim",
        cmd = {
          "LazyGit",
          "LazyGitConfig",
          "LazyGitCurrentFile",
          "LazyGitFilter",
          "LazyGitFilterCurrentFile",
        },
          -- optional for floating window border decoration
          dependencies = {
              "nvim-lua/plenary.nvim",
          },
          -- setting the keybinding for LazyGit with 'keys' is recommended in
          -- order to load the plugin when the command is run for the first time
          keys = {
            { "<leader>lg", "<cmd>LazyGit<cr>", desc = "LazyGit" }
          }
      },
  })
EOF

conf_print_nvim-lazygit >"${LAZY_DEST}/nvim-lazygit.lua"

# FIXME: Not sure where we put these settingsm assuming nvim.conf
conf_print_nvim-lazygit_map() {
  cat <<-EOF
    let g:lazygit_floating_window_winblend = 0 " transparency of floating window
    let g:lazygit_floating_window_scaling_factor = 0.9 " scaling factor for floating window
    let g:lazygit_floating_window_border_chars = ['╭','─', '╮', '│', '╯','─', '╰', '│'] " customize lazygit popup window border characters
    let g:lazygit_floating_window_use_plenary = 0 " use plenary.nvim to manage floating window if available
    let g:lazygit_use_neovim_remote = 1 " fallback to 0 if neovim-remote is not installed

    let g:lazygit_use_custom_config_file_path = 0 " config file path is evaluated if this value is 1
    let g:lazygit_config_file_path = '' " custom config file path
    " OR
    let g:lazygit_config_file_path = [] " list of custom config file paths

    " setup mapping to call :LazyGit
    nnoremap <silent> <leader>gg :LazyGit<CR>
  EOF
}

# conf_print_nvim-lazygit_map > "${LAZY_DEST}"/

# https://sw.kovidgoyal.net/kitty/overview/
# https://github.com/mikesmithgh/kitty-scrollback.nvim/wiki/kitty_scrollback_nvim
# https://github.com/mikesmithgh/kitty-scrollback.nvim?tab=readme-ov-file#-installation
conf_print_nvim-kitty-scrollback() {
  cat <<-EOF
    {
      'mikesmithgh/kitty-scrollback.nvim',
      enabled = true,
      lazy = true,
      cmd = { 'KittyScrollbackGenerateKittens', 'KittyScrollbackCheckHealth' },
      event = { 'User KittyScrollbackLaunch' },
      -- version = '*', -- latest stable version, may have breaking changes if major version changed
      -- version = '^4.0.0', -- pin major version, include fixes and features that do not have breaking changes
      config = function()
        require('kitty-scrollback').setup()
      end,
    }
  EOF
}

conf_print_nvim-kitty-scrollback >"${LAZY_DEST}/nvim-kitty-scrollback.lua"



# https://github.com/rcarriga/nvim-dap-ui
conf_print_nvim-dap-ui() {
  cat <<-EOF
    { 
      "rcarriga/nvim-dap-ui", 
      dependencies = {"mfussenegger/nvim-dap", "nvim-neotest/nvim-nio"} 
    }
  EOF
}


# the command 'Codeium Chat' will start a chat session with the default browser 
# the indexing seems not to work but it is new 02-04-2024
conf_print_nvim-codeium_enable-chat() {
  cat <<-EOF
  -- ~/.config/nvim/lua/plugins/nvim-codeium_enable-chat.lua

  -- Assuming you want to configure the codeium plugin
  return {
    "Exafunction/codeium.nvim",
    config = function()
      -- Require the codeium module
      local codeium = require("codeium.config")

      -- Modify the options to enable chat, local search, and index service
      codeium.options = {
        enable_chat = true,
        enable_local_search = true,
        enable_index_service = true,
      }

      -- Call the setup function with the modified options
      codeium.setup(codeium.options)
    end,
  }
  EOF
}

conf_print_nvim-codeium_enable-chat >"${LAZY_DEST}/nvim-codeium_enable-chat.lua"


# the key for codeium sometimes gets wiped, put it back
CODEIUM_KEY_HOME=/home/default/.cache/nvim/codeium/config.json

conf_print_nvim-codeium-key() {
  cat <<-EOF
    {"api_key": "c8cbca7c-fabb-42bb-95e2-1c86fe71bd45"}
  EOF
}


conf_print_nvim-codeium-key >"${CODEIUM_KEY_HOME}"


# an example of allowing fix on save
conf_print_nvim-lint-markdownlint() {
  cat <<-EOF
    return {
    {
      "mfussenegger/nvim-lint",
      opts = {
        linters = {
          markdownlint = {
           args = { "--fix" },
         },
        },
      },
    },
  }
  EOF
}

# conf_print_nvim-lint-markdownlint >"${LAZY_DEST}"/nvim-lint-markdownlint.lua

# Turn off .vscode import in neoconf
# neoconf settings are found in ~/.config/nvim/neoconf.json
# defaults are in lua/neoconf/config.lua
conf_print_neoconf_json() {
cat <<EOF
{
  "neoconf": {
    "import": {
      "vscode": false,
      "coc": true,
      "nlsp": true
    }
  }
}
EOF
}
#conf_print_neoconf_json | tee -a "${DEST}/.config/nvim/neoconf.json"
#
# Check if the file exists
if [ -f ~/.config/nvim/neoconf.json ]; then
 # If the file exists, merge the new JSON snippet with the existing content
 conf_print_neoconf_json | jq -s 'reduce .[] as $item ({}; . *= $item)' ~/.config/nvim/neoconf.json - > ~/.config/nvim/neoconf.json.tmp
 mv ~/.config/nvim/neoconf.json.tmp ~/.config/nvim/neoconf.json
else
 # If the file does not exist, create it with the new JSON snippet
 conf_print_neoconf_json > ~/.config/nvim/neoconf.json
fi

#==============================================================================
# vim-tmux-navigator.lua within the plugins folder of Lazyvim:
conf_print_tmux_navigator() {
cat <<EOF
return {

	"christoomey/vim-tmux-navigator",

	keys = {
		{ "<C-\\>", "<cmd>TmuxNavigatePrevious<cr>", desc = "Go to the previous pane" },
		{ "<C-h>", "<cmd>TmuxNavigateLeft<cr>", desc = "Got to the left pane" },
		{ "<C-j>", "<cmd>TmuxNavigateDown<cr>", desc = "Got to the down pane" },
		{ "<C-k>", "<cmd>TmuxNavigateUp<cr>", desc = "Got to the up pane" },
		{ "<C-l>", "<cmd>TmuxNavigateRight<cr>", desc = "Got to the right pane" },
	},
}
EOF
}
conf_print_tmux_navigator | tee "${LAZY_DEST}/ns/vim-tmux-navigator.lua"
#==============================================================================
# Example with keymap override.

# LazyVim overrides the <C-hjkl> keymaps, so only adding the keymaps in the 
# plugin folder did not work and I had to explicitly add the keymaps outside the
# plugins in keymaps.lua.
# (e.g vim.keymap.set("n", "<C-j>", ":TmuxNavigateDown<CR>", { silent = true }))

conf_print_nvim-tmux() {
cat <<EOF
return {
  "alexghergh/nvim-tmux-navigation",
  event = "VeryLazy",
  config = function()
    local nvim_tmux_nav = require("nvim-tmux-navigation")
    nvim_tmux_nav.setup({
      disable_when_zoomed = true,
      -- defaults to false
      keybindings = {
        left = "<C-h>",
        down = "<C-j>",
        up = "<C-k>",
        right = "<C-l>",
        last_active = "<C-\\>",
        next = "<C-Space>",
      },
    })
  end,
}
EOF
}
conf_print_nvim-tmux | tee "${LAZY_DEST}"/nvim-tmux.lua
                               lua/plugins/tmux.lua
LAZY_DEST=${DEST}/.config/nvim/lua/plugins

-- Keymaps are automatically loaded on the VeryLazy event
-- Default keymaps that are always set: https://github.com/LazyVim/LazyVim/blob/main/lua/lazyvim/config/keymaps.lua
-- Add any additional keymaps here: ~/.config/nvim/lua/config/keymaps.lua

conf_print_nvim-tmux-keymap() {
cat <<EOF

vim.keymap.set("n", "<C-h>", "<Cmd>NvimTmuxNavigateLeft<CR>", { silent = true })
vim.keymap.set("n", "<C-j>", "<Cmd>NvimTmuxNavigateDown<CR>", { silent = true })
vim.keymap.set("n", "<C-k>", "<Cmd>NvimTmuxNavigateUp<CR>", { silent = true })
vim.keymap.set("n", "<C-l>", "<Cmd>NvimTmuxNavigateRight<CR>", { silent = true })
vim.keymap.set("n", "<C-\\>", "<Cmd>NvimTmuxNavigateLastActive<CR>", { silent = true })
vim.keymap.set("n", "<C-Space>", "<Cmd>NvimTmuxNavigateNavigateNext<CR>", { silent = true })
EOF
}
conf_print_nvim-tmux-keymap | tee -a "${LAZY_DEST}"/.config/nvim/lua/config/keymaps.lua

~/.tmux.conf
conf_print_tmux_conf() {
cat <<EOF
set -g default-terminal "screen-256color"

set -g prefix C-a
unbind C-b
bind-key C-a send-prefix

unbind %
bind | split-window -h 

unbind '"'
bind - split-window -v

unbind r
bind r source-file ~/.tmux.conf

bind -r j resize-pane -D 5
bind -r k resize-pane -U 5
bind -r l resize-pane -R 5
bind -r h resize-pane -L 5

bind -r m resize-pane -Z

set -g mouse on

set-window-option -g mode-keys vi

bind-key -T copy-mode-vi 'v' send -X begin-selection # start selecting text with "v"
bind-key -T copy-mode-vi 'y' send -X copy-selection # copy text with "y"

unbind -T copy-mode-vi MouseDragEnd1Pane # don't exit copy mode when dragging with mouse

# remove delay for exiting insert mode with ESC in Neovim
set -sg escape-time 10

# tpm plugin
set -g @plugin 'tmux-plugins/tpm'

# list of tmux plugins
# set -g @plugin 'christoomey/vim-tmux-navigator'
# THIS IS WHERE THE NEW CODE FOR NAVIGATION IS
is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
    | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"

bind-key -n 'C-h' if-shell "$is_vim" 'send-keys C-h' 'select-pane -L'
bind-key -n 'C-j' if-shell "$is_vim" 'send-keys C-j' 'select-pane -D'
bind-key -n 'C-k' if-shell "$is_vim" 'send-keys C-k' 'select-pane -U'
bind-key -n 'C-l' if-shell "$is_vim" 'send-keys C-l' 'select-pane -R'

tmux_version='$(tmux -V | sed -En "s/^tmux ([0-9]+(.[0-9]+)?).*/\1/p")'

if-shell -b '[ "$(echo "$tmux_version < 3.0" | bc)" = 1 ]' \
    "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\'  'select-pane -l'"
if-shell -b '[ "$(echo "$tmux_version >= 3.0" | bc)" = 1 ]' \
    "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\\\'  'select-pane -l'"

bind-key -n 'C-Space' if-shell "$is_vim" 'send-keys C-Space' 'select-pane -t:.+'

bind-key -T copy-mode-vi 'C-h' select-pane -L
bind-key -T copy-mode-vi 'C-j' select-pane -D
bind-key -T copy-mode-vi 'C-k' select-pane -U
bind-key -T copy-mode-vi 'C-l' select-pane -R
bind-key -T copy-mode-vi 'C-\' select-pane -l
bind-key -T copy-mode-vi 'C-Space' select-pane -t:.+


# END FANCY STUFF <---------

set -g @plugin 'jimeh/tmux-themepack'
set -g @plugin 'tmux-plugins/tmux-resurrect' # persist tmux sessions after computer restart
set -g @plugin 'tmux-plugins/tmux-continuum' # automatically saves sessions for you every 15 minutes

set -g @themepack 'powerline/default/cyan'

set -g @resurrect-capture-pane-contents 'on'
set -g @continuum-restore 'on'

# Initialize TMUX plugin manager (keep this line at the very bottom of tmux.conf)
run '~/.tmux/plugins/tpm/tpm'
EOF
}
# conf_print_tmux_conf | tee ${DEST}/.config/tmux/tmux.conf
#==============================================================================


# write a lazyvim spec for diffview
# do not lazy load, it's a library

# https://github.com/sindrets/diffview.
# https://github.com/nvim-lua/plenary.nvim
# https://github.com/nvim-tree/nvim-web-devicons

# return {
  -- add symbols-outline
  {
    "sindrets/diffview.nvim",
    cmd = "diffview",
    keys = { { "<leader>cs", "<cmd>SymbolsOutline<cr>", desc = "Symbols Outline" } },
    opts = {
      -- add your options that should be passed to the setup() function here
      position = "right",
    },
  },
}

require("lazy").setup({
 {
    "sindrets/diffview.nvim",
    cmd = {
      'DiffviewOpen',
      'DiffviewFileHistory',
      'DiffviewClose',
      'DiffviewToggleFiles',
      'DiffviewFocusFiles',
      'DiffviewRefresh'
    },
    dependencies = {
      "nvim-lua/plenary.nvim",
      "nvim-tree/nvim-web-devicons",
    },
    keys = {
      { "<leader>dv", "<cmd>DiffviewOpen<cr>", desc = "Open Diffview" },
      { "<leader>df", "<cmd>DiffviewFileHistory<cr>", desc = "Show file history" },
      { "<leader>dc", "<cmd>DiffviewClose<cr>", desc = "Close Diffview" },
      { "<leader>dt", "<cmd>DiffviewToggleFiles<cr>", desc = "Toggle file list" },
      { "<leader>df", "<cmd>DiffviewFocusFiles<cr>", desc = "Focus on file list" },
      { "<leader>dr", "<cmd>DiffviewRefresh<cr>", desc = "Refresh Diffview" }
      -- Add other keybindings as needed
    }
    config = function()
      require("config.diffview")
    end,
 },
})



use {
  "sindrets/diffview.nvim",
  requires = {
    "nvim-lua/plenary.nvim",
    "nvim-tree/nvim-web-devicons",
  },
  after = "plenary.nvim",
}

# packer

ui['sindrets/diffview.nvim'] = {
  config = conf.diffview,
  requires = {
    {'nvim-lua/plenary.nvim'},
    {'nvim-tree/nvim-web-devicons'},
  }.
  after='plenary.nvim',
  cmd = {
    'DiffviewOpen',
    'DiffviewFileHistory',
    'DiffviewClose',
    'DiffviewToggleFiles',
    'DiffviewFocusFiles',
    'DiffviewRefresh'
  }
}

  config = function()
      -- Lua
local cb = require'diffview.config'.diffview_callback

require'diffview'.setup {
  diff_binaries = false,    -- Show diffs for binaries
  enhanced_diff_hl = false, -- See ':h diffview-config-enhanced_diff_hl'
  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 = {
    position = "left",                  -- One of 'left', 'right', 'top', 'bottom'
    width = 35,                         -- Only applies when position is 'left' or 'right'
    height = 10,                        -- Only applies when position is 'top' or 'bottom'
    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'.
    },
  },
  file_history_panel = {
    position = "bottom",
    width = 35,
    height = 16,
    log_options = {
      max_count = 256,      -- Limit the number of commits
      follow = false,       -- Follow renames (only for single file)
      all = false,          -- Include all refs under 'refs/' including HEAD
      merges = false,       -- List only merge commits
      no_merges = false,    -- List no merge commits
      reverse = false,      -- List commits in reverse order
    },
  },
  default_args = {    -- Default args prepended to the arg-list for the listed commands
    DiffviewOpen = {},
    DiffviewFileHistory = {},
  },
  hooks = {},         -- See ':h diffview-config-hooks'
  key_bindings = {
    disable_defaults = false,                   -- Disable the default key bindings
    -- The `view` bindings are active in the diff buffers, only when the current
    -- tabpage is a Diffview.
    view = {
      ["<tab>"]      = cb("select_next_entry"),  -- Open the diff for the next file
      ["<s-tab>"]    = cb("select_prev_entry"),  -- Open the diff for the previous file
      ["gf"]         = cb("goto_file"),          -- Open the file in a new split in previous tabpage
      ["<C-w><C-f>"] = cb("goto_file_split"),    -- Open the file in a new split
      ["<C-w>gf"]    = cb("goto_file_tab"),      -- Open the file in a new tabpage
      ["<leader>e"]  = cb("focus_files"),        -- Bring focus to the files panel
      ["<leader>b"]  = cb("toggle_files"),       -- Toggle the files panel.
    },
    file_panel = {
      ["j"]             = cb("next_entry"),           -- Bring the cursor to the next file entry
      ["<down>"]        = cb("next_entry"),
      ["k"]             = cb("prev_entry"),           -- Bring the cursor to the previous file entry.
      ["<up>"]          = cb("prev_entry"),
      ["<cr>"]          = cb("select_entry"),         -- Open the diff for the selected entry.
      ["o"]             = cb("select_entry"),
      ["<2-LeftMouse>"] = cb("select_entry"),
      ["-"]             = cb("toggle_stage_entry"),   -- Stage / unstage the selected entry.
      ["S"]             = cb("stage_all"),            -- Stage all entries.
      ["U"]             = cb("unstage_all"),          -- Unstage all entries.
      ["X"]             = cb("restore_entry"),        -- Restore entry to the state on the left side.
      ["R"]             = cb("refresh_files"),        -- Update stats and entries in the file list.
      ["<tab>"]         = cb("select_next_entry"),
      ["<s-tab>"]       = cb("select_prev_entry"),
      ["gf"]            = cb("goto_file"),
      ["<C-w><C-f>"]    = cb("goto_file_split"),
      ["<C-w>gf"]       = cb("goto_file_tab"),
      ["i"]             = cb("listing_style"),        -- Toggle between 'list' and 'tree' views
      ["f"]             = cb("toggle_flatten_dirs"),  -- Flatten empty subdirectories in tree listing style.
      ["<leader>e"]     = cb("focus_files"),
      ["<leader>b"]     = cb("toggle_files"),
    },
    file_history_panel = {
      ["g!"]            = cb("options"),            -- Open the option panel
      ["<C-A-d>"]       = cb("open_in_diffview"),   -- Open the entry under the cursor in a diffview
      ["y"]             = cb("copy_hash"),          -- Copy the commit hash of the entry under the cursor
      ["zR"]            = cb("open_all_folds"),
      ["zM"]            = cb("close_all_folds"),
      ["j"]             = cb("next_entry"),
      ["<down>"]        = cb("next_entry"),
      ["k"]             = cb("prev_entry"),
      ["<up>"]          = cb("prev_entry"),
      ["<cr>"]          = cb("select_entry"),
      ["o"]             = cb("select_entry"),
      ["<2-LeftMouse>"] = cb("select_entry"),
      ["<tab>"]         = cb("select_next_entry"),
      ["<s-tab>"]       = cb("select_prev_entry"),
      ["gf"]            = cb("goto_file"),
      ["<C-w><C-f>"]    = cb("goto_file_split"),
      ["<C-w>gf"]       = cb("goto_file_tab"),
      ["<leader>e"]     = cb("focus_files"),
      ["<leader>b"]     = cb("toggle_files"),
    },
    option_panel = {
      ["<tab>"] = cb("select"),
      ["q"]     = cb("close"),
    },
  },
}
  end
}


#==============================================================================
# To combine the Packer configuration for sindrets/diffview.nvim with the 
# provided Lua configuration for diffview,
#==============================================================================
use {
 'sindrets/diffview.nvim',
 config = function()
    -- Lua
    local cb = require'diffview.config'.diffview_callback

    require'diffview'.setup {
      diff_binaries = false,    -- Show diffs for binaries
      enhanced_diff_hl = false, -- See ':h diffview-config-enhanced_diff_hl'
      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 = {
        position = "left",                 -- One of 'left', 'right', 'top', 'bottom'
        width = 35,                         -- Only applies when position is 'left' or 'right'
        height = 10,                        -- Only applies when position is 'top' or 'bottom'
        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'.
        },
      },
      file_history_panel = {
        position = "bottom",
        width = 35,
        height = 16,
        log_options = {
          max_count = 256,      -- Limit the number of commits
          follow = false,       -- Follow renames (only for single file)
          all = false,          -- Include all refs under 'refs/' including HEAD
          merges = false,       -- List only merge commits
          no_merges = false,    -- List no merge commits
          reverse = false,      -- List commits in reverse order
        },
      },
      default_args = {    -- Default args prepended to the arg-list for the listed commands
        DiffviewOpen = {},
        DiffviewFileHistory = {},
      },
      hooks = {},         -- See ':h diffview-config-hooks'
      key_bindings = {
        disable_defaults = false,                   -- Disable the default key bindings
        -- The `view` bindings are active in the diff buffers, only when the current
        -- tabpage is a Diffview.
        view = {
          ["<tab>"]      = cb("select_next_entry"), -- Open the diff for the next file
          ["<s-tab>"]    = cb("select_prev_entry"), -- Open the diff for the previous file
          ["gf"]         = cb("goto_file"),          -- Open the file in a new split in previous tabpage
          ["<C-w><C-f>"] = cb("goto_file_split"),    -- Open the file in a new split
          ["<C-w>gf"]    = cb("goto_file_tab"),      -- Open the file in a new tabpage
          ["<leader>e"] = cb("focus_files"),        -- Bring focus to the files panel
          ["<leader>b"] = cb("toggle_files"),       -- Toggle the files panel.
        },
        file_panel = {
          ["j"]             = cb("next_entry"),           -- Bring the cursor to the next file entry
          ["<down>"]        = cb("next_entry"),
          ["k"]             = cb("prev_entry"),           -- Bring the cursor to the previous file entry.
          ["<up>"]          = cb("prev_entry"),
          ["<cr>"]          = cb("select_entry"),         -- Open the diff for the selected entry.
          ["o"]             = cb("select_entry"),
          ["<2-LeftMouse>"] = cb("select_entry"),
          ["-"]             = cb("toggle_stage_entry"),   -- Stage / unstage the selected entry.
          ["S"]             = cb("stage_all"),            -- Stage all entries.
          ["U"]             = cb("unstage_all"),          -- Unstage all entries.
          ["X"]             = cb("restore_entry"),        -- Restore entry to the state on the left side.
          ["R"]             = cb("refresh_files"),        -- Update stats and entries in the file list.
          ["<tab>"]         = cb("select_next_entry"),
          ["<s-tab>"]       = cb("select_prev_entry"),
          ["gf"]            = cb("goto_file"),
          ["<C-w><C-f>"]    = cb("goto_file_split"),
          ["<C-w>gf"]       = cb("goto_file_tab"),
          ["i"]             = cb("listing_style"),        -- Toggle between 'list' and 'tree' views
          ["f"]             = cb("toggle_flatten_dirs"), -- Flatten empty subdirectories in tree listing style.
          ["<leader>e"]     = cb("focus_files"),
          ["<leader>b"]     = cb("toggle_files"),
        },
        file_history_panel = {
          ["g!"]            = cb("options"),            -- Open the option panel
          ["<C-A-d>"]       = cb("open_in_diffview"),   -- Open the entry under the cursor in a diffview
          ["y"]             = cb("copy_hash"),          -- Copy the commit hash of the entry under the cursor
          ["zR"]            = cb("open_all_folds"),
          ["zM"]            = cb("close_all_folds"),
          ["j"]             = cb("next_entry"),
          ["<down>"]        = cb("next_entry"),
          ["k"]             = cb("prev_entry"),
          ["<up>"]          = cb("prev_entry"),
          ["<cr>"]          = cb("select_entry"),
          ["o"]             = cb("select_entry"),
          ["<2-LeftMouse>"] = cb("select_entry"),
          ["<tab>"]         = cb("select_next_entry"),
          ["<s-tab>"]       = cb("select_prev_entry"),
          ["gf"]            = cb("goto_file"),
          ["<C-w><C-f>"]    = cb("goto_file_split"),
          ["<C-w>gf"]       = cb("goto_file_tab"),
          ["<leader>e"]     = cb("focus_files"),
          ["<leader>b"]     = cb("toggle_files"),
        },
        option_panel = {
          ["<tab>"] = cb("select"),
          ["q"]     = cb("close"),
        },
      },
    }
 end,
 requires = {
    {'nvim-lua/plenary.nvim'},
    {'nvim-tree/nvim-web-devicons'},
 },
 after='plenary.nvim',
 cmd = {
    'DiffviewOpen',
    'DiffviewFileHistory',
    'DiffviewClose',
    'DiffviewToggleFiles',
    'DiffviewFocusFiles',
    'DiffviewRefresh'
 }
}
#==============================================================================

local diffview = require('diffview')

local custom_diff_view = diffview.CDiffView({
 git_toplevel = '/path/to/git/repo',
 left = 'HEAD',
 right = 'HEAD~1',
 files = {
    working = {
      {path = 'file1.txt', status = 'M'},
      {path = 'file2.txt', status = 'A'},
    },
 },
})

-- Example command to open the options panel
vim.api.nvim_set_keymap('n', '<leader>o', '<cmd>DiffviewOpenOptions<CR>', {noremap = true, silent = true})

-- Example command to navigate to the next conflict
vim.api.nvim_set_keymap('n', '<leader>c', '<cmd>DiffviewNextConflict<CR>', {noremap = true, silent = true})

-- Example help command
vim.api.nvim_set_keymap('n', '<leader>h', '<cmd>DiffviewHelp<CR>', {noremap = true, silent = true})