6 files changed, 476 insertions, 0 deletions
diff --git a/.config/nvim/lua/core/lualine/colors.lua b/.config/nvim/lua/core/lualine/colors.lua
new file mode 100644
index 0000000..92e37ce
--- /dev/null
+++ b/.config/nvim/lua/core/lualine/colors.lua
@@ -0,0 +1,19 @@
+local colors = {
+  bg = "#0D0D0D",
+  fg = "#D0D0D0",
+  grey = "#D0D0D0",
+  blue = "#569CD6",
+  green = "#608B4E",
+  yellow = "#DCDCAA",
+  orange = "#FF8800",
+  purple = "#C586C0",
+  magenta = "#D16D9E",
+  cyan = "#4EC9B0",
+  red = "#D16969",
+  error_red = "#F44747",
+  warning_orange = "#FF8800",
+  info_yellow = "#FFCC66",
+  hint_blue = "#9CDCFE",
+}
+
+return colors
diff --git a/.config/nvim/lua/core/lualine/components.lua b/.config/nvim/lua/core/lualine/components.lua
new file mode 100644
index 0000000..4777392
--- /dev/null
+++ b/.config/nvim/lua/core/lualine/components.lua
@@ -0,0 +1,180 @@
+local conditions = require "core.lualine.conditions"
+local colors = require "core.lualine.colors"
+
+return {
+  mode = {
+    function()
+      local alias = {
+        n = "NORMAL",
+        i = "INSERT",
+        c = "COMMAND",
+        V = "VISUAL",
+        [""] = "VISUAL",
+        v = "VISUAL",
+        R = "REPLACE",
+      }
+      local alias_mode = alias[vim.fn.mode()]
+      if alias_mode == nil then
+        alias_mode = vim.fn.mode()
+      end
+      return alias_mode .. " "
+      -- return " "
+    end,
+    left_padding = 0,
+    right_padding = 0,
+    condition = function()
+      return true
+    end,
+    color = { fg = colors.fg, bg = colors.bg },
+  },
+  branch = {
+    "branch",
+    icon = " ",
+    condition = function()
+      return conditions.hide_in_width() and conditions.check_git_workspace()
+    end,
+    color = { gui = "bold", fg = colors.fg, bg = colors.bg },
+  },
+  filename = {
+    "filename",
+    condition = function()
+      return true
+    end,
+    color = { fg = colors.fg, bg = colors.bg },
+  },
+  diff = {
+    "diff",
+    symbols = { added = "  ", modified = "柳", removed = " " },
+    color_added = { fg = colors.green },
+    color_modified = { fg = colors.yellow },
+    color_removed = { fg = colors.red },
+    condition = conditions.hide_in_width,
+    color = {},
+  },
+  python_env = {
+    function()
+      local utils = require "core.lualine.utils"
+      if vim.bo.filetype == "python" then
+        local venv = os.getenv "CONDA_DEFAULT_ENV"
+        if venv then
+          return string.format("  (%s)", utils.env_cleanup(venv))
+        end
+        venv = os.getenv "VIRTUAL_ENV"
+        if venv then
+          return string.format("  (%s)", utils.env_cleanup(venv))
+        end
+        return ""
+      end
+      return ""
+    end,
+    condition = conditions.hide_in_width,
+    color = { fg = colors.green },
+  },
+  diagnostics = {
+    "diagnostics",
+    sources = { "nvim_lsp" },
+    symbols = { error = " ", warn = " ", info = " ", hint = " " },
+    condition = conditions.hide_in_width,
+    color = {},
+  },
+  treesitter = {
+    function()
+      if next(vim.treesitter.highlighter.active) then
+        return "  "
+      end
+      return ""
+    end,
+    condition = conditions.hide_in_width,
+    color = { fg = colors.green },
+  },
+  lsp = {
+    function(msg)
+      msg = msg or "LSP Inactive"
+      local buf_clients = vim.lsp.buf_get_clients()
+      if next(buf_clients) == nil then
+        return msg
+      end
+      local buf_ft = vim.bo.filetype
+      local buf_client_names = {}
+
+      -- add client
+      local utils = require "lsp.utils"
+      local active_client = utils.get_active_client_by_ft(buf_ft)
+      for _, client in pairs(buf_clients) do
+        if client.name ~= "null-ls" then
+          table.insert(buf_client_names, client.name)
+        end
+      end
+      vim.list_extend(buf_client_names, active_client or {})
+
+      -- add formatter
+      local formatters = require "lsp.null-ls.formatters"
+      local supported_formatters = formatters.list_supported_names(buf_ft)
+      vim.list_extend(buf_client_names, supported_formatters)
+
+      -- add linter
+      local linters = require "lsp.null-ls.linters"
+      local supported_linters = linters.list_supported_names(buf_ft)
+      vim.list_extend(buf_client_names, supported_linters)
+
+      return table.concat(buf_client_names, ", ")
+    end,
+    icon = " ",
+    condition = conditions.hide_in_width,
+    color = { fg = colors.fg, bg = colors.bg },
+  },
+  location = {
+    "location",
+    condition = conditions.hide_in_width,
+    color = { fg = colors.fg, bg = colors.bg },
+  },
+  progress = {
+    "progress",
+    condition = conditions.hide_in_width,
+    color = { fg = colors.fg, bg = colors.bg },
+  },
+  spaces = {
+    function()
+      local label = "Spaces: "
+      if not vim.api.nvim_buf_get_option(0, "expandtab") then
+        label = "Tab size: "
+      end
+      return label .. vim.api.nvim_buf_get_option(0, "shiftwidth") .. " "
+    end,
+    condition = conditions.hide_in_width,
+    color = {},
+  },
+  encoding = {
+    "o:encoding",
+    upper = true,
+    condition = conditions.hide_in_width,
+    color = { fg = colors.fg, bg = colors.bg },
+  },
+  filetype = { "filetype", condition = conditions.hide_in_width, color = {} },
+  scrollbar = {
+    function()
+      local current_line = vim.fn.line "."
+      local total_lines = vim.fn.line "$"
+      local chars = {
+        "__",
+        "▁▁",
+        "▂▂",
+        "▃▃",
+        "▄▄",
+        "▅▅",
+        "▆▆",
+        "▇▇",
+        "██",
+      }
+      local line_ratio = current_line / total_lines
+      local index = math.ceil(line_ratio * #chars)
+      return chars[index]
+    end,
+    left_padding = 0,
+    right_padding = 0,
+    condition = function()
+      return true
+    end,
+    color = { fg = colors.yellow, bg = colors.bg },
+  },
+}
diff --git a/.config/nvim/lua/core/lualine/conditions.lua b/.config/nvim/lua/core/lualine/conditions.lua
new file mode 100644
index 0000000..2d2d81e
--- /dev/null
+++ b/.config/nvim/lua/core/lualine/conditions.lua
@@ -0,0 +1,17 @@
+local window_width_limit = 80
+
+local conditions = {
+  buffer_not_empty = function()
+    return vim.fn.empty(vim.fn.expand "%:t") ~= 1
+  end,
+  hide_in_width = function()
+    return vim.fn.winwidth(0) > window_width_limit
+  end,
+  check_git_workspace = function()
+    local filepath = vim.fn.expand "%:p:h"
+    local gitdir = vim.fn.finddir(".git", filepath .. ";")
+    return gitdir and #gitdir > 0 and #gitdir < #filepath
+  end,
+}
+
+return conditions
diff --git a/.config/nvim/lua/core/lualine/init.lua b/.config/nvim/lua/core/lualine/init.lua
new file mode 100644
index 0000000..7d67559
--- /dev/null
+++ b/.config/nvim/lua/core/lualine/init.lua
@@ -0,0 +1,47 @@
+local M = {}
+M.config = function()
+  options.builtin.lualine = {
+    active = true,
+    style = "options",
+    options = {
+      icons_enabled = nil,
+      component_separators = nil,
+      section_separators = nil,
+      theme = nil,
+      disabled_filetypes = nil,
+    },
+    sections = {
+      lualine_a = nil,
+      lualine_b = nil,
+      lualine_c = nil,
+      lualine_x = nil,
+      lualine_y = nil,
+      lualine_z = nil,
+    },
+    inactive_sections = {
+      lualine_a = nil,
+      lualine_b = nil,
+      lualine_c = nil,
+      lualine_x = nil,
+      lualine_y = nil,
+      lualine_z = nil,
+    },
+    tabline = nil,
+    extensions = nil,
+    on_config_done = nil,
+  }
+end
+
+M.setup = function()
+  require("core.lualine.styles").update()
+  require("core.lualine.utils").validate_theme()
+
+  local lualine = require "lualine"
+  lualine.setup(options.builtin.lualine)
+
+  if options.builtin.lualine.on_config_done then
+    options.builtin.lualine.on_config_done(lualine)
+  end
+end
+
+return M
diff --git a/.config/nvim/lua/core/lualine/styles.lua b/.config/nvim/lua/core/lualine/styles.lua
new file mode 100644
index 0000000..014ba81
--- /dev/null
+++ b/.config/nvim/lua/core/lualine/styles.lua
@@ -0,0 +1,186 @@
+local M = {}
+local components = require "core.lualine.components"
+
+local styles = {
+  lvim = nil,
+  default = nil,
+  none = nil,
+  clean = nil,
+}
+
+styles.clean = {
+  style = "lvim",
+  options = {
+    icons_enabled = true,
+    component_separators = "",
+    section_separators = "",
+    disabled_filetypes = { "dashboard" },
+  },
+  sections = {
+    lualine_a = {
+      components.mode,
+    },
+    lualine_b = {
+      components.branch,
+      components.filename,
+    },
+    lualine_c = {
+      components.diff,
+      components.python_env,
+    },
+    lualine_x = {
+      components.diagnostics,
+      components.treesitter,
+      components.lsp,
+      components.filetype,
+    },
+    lualine_y = {},
+    lualine_z = {
+      components.location,
+      components.progress,
+      components.encoding,
+    },
+  },
+  inactive_sections = {
+    lualine_a = {
+      "filename",
+    },
+    lualine_b = {},
+    lualine_c = {},
+    lualine_x = {},
+    lualine_y = {},
+    lualine_z = {},
+  },
+  tabline = {},
+  extensions = { "nvim-tree" },
+}
+
+styles.none = {
+  style = "none",
+  options = {
+    icons_enabled = true,
+    component_separators = "",
+    section_separators = "",
+    disabled_filetypes = {},
+  },
+  sections = {
+    lualine_a = {},
+    lualine_b = {},
+    lualine_c = {},
+    lualine_x = {},
+    lualine_y = {},
+    lualine_z = {},
+  },
+  inactive_sections = {
+    lualine_a = {},
+    lualine_b = {},
+    lualine_c = {},
+    lualine_x = {},
+    lualine_y = {},
+    lualine_z = {},
+  },
+  tabline = {},
+  extensions = {},
+}
+
+styles.default = {
+  style = "default",
+  options = {
+    icons_enabled = true,
+    component_separators = { "", "" },
+    section_separators = { "", "" },
+    disabled_filetypes = {},
+  },
+  sections = {
+    lualine_a = { "mode" },
+    lualine_b = { "branch" },
+    lualine_c = { "filename" },
+    lualine_x = { "encoding", "fileformat", "filetype" },
+    lualine_y = { "progress" },
+    lualine_z = { "location" },
+  },
+  inactive_sections = {
+    lualine_a = {},
+    lualine_b = {},
+    lualine_c = { "filename" },
+    lualine_x = { "location" },
+    lualine_y = {},
+    lualine_z = {},
+  },
+  tabline = {},
+  extensions = {},
+}
+
+styles.lvim = {
+  style = "lvim",
+  options = {
+    icons_enabled = true,
+    component_separators = "",
+    section_separators = "",
+    disabled_filetypes = { "dashboard" },
+  },
+  sections = {
+    lualine_a = {
+      components.mode,
+    },
+    lualine_b = {
+      components.branch,
+      components.filename,
+    },
+    lualine_c = {
+      components.diff,
+      components.python_env,
+    },
+    lualine_x = {
+      components.diagnostics,
+      components.treesitter,
+      components.lsp,
+      components.filetype,
+    },
+    lualine_y = {},
+    lualine_z = {
+      components.scrollbar,
+    },
+  },
+  inactive_sections = {
+    lualine_a = {
+      "filename",
+    },
+    lualine_b = {},
+    lualine_c = {},
+    lualine_x = {},
+    lualine_y = {},
+    lualine_z = {},
+  },
+  tabline = {},
+  extensions = { "nvim-tree" },
+}
+
+function M.get_style(style)
+  local style_keys = vim.tbl_keys(styles)
+  if not vim.tbl_contains(style_keys, style) then
+    local Log = require "core.log"
+    local logger = Log:get_default()
+    logger.error(
+      "Invalid lualine style",
+      string.format('"%s"', style),
+      "options are: ",
+      string.format('"%s"', table.concat(style_keys, '", "'))
+    )
+    logger.info '"lvim" style is applied.'
+    style = "lvim"
+  end
+
+  return vim.deepcopy(styles[style])
+end
+
+function M.update()
+  local style = M.get_style(options.builtin.lualine.style)
+  if options.builtin.lualine.options.theme == nil then
+    options.builtin.lualine.options.theme = options.colorscheme
+  end
+
+  options.builtin.lualine = vim.tbl_deep_extend("keep", options.builtin.lualine, style)
+end
+
+return M
diff --git a/.config/nvim/lua/core/lualine/utils.lua b/.config/nvim/lua/core/lualine/utils.lua
new file mode 100644
index 0000000..48756a7
--- /dev/null
+++ b/.config/nvim/lua/core/lualine/utils.lua
@@ -0,0 +1,27 @@
+local M = {}
+
+function M.validate_theme()
+  local theme = options.builtin.lualine.options.theme
+  if type(theme) == "table" then
+    return
+  end
+
+  local lualine_loader = require "lualine.utils.loader"
+  local ok = pcall(lualine_loader.load_theme, theme)
+  if not ok then
+    options.builtin.lualine.options.theme = "auto"
+  end
+end
+
+function M.env_cleanup(venv)
+  if string.find(venv, "/") then
+    local final_venv = venv
+    for w in venv:gmatch "([^/]+)" do
+      final_venv = w
+    end
+    venv = final_venv
+  end
+  return venv
+end
+
+return M