-- nvim coding config
-- Launch: NVIM_APPNAME=code nvim

vim.g.mapleader = " "

-- Disable netrw (snacks explorer replaces it)
vim.g.loaded_netrw = 1
vim.g.loaded_netrwPlugin = 1

-- Appearance
vim.opt.number = true
vim.opt.relativenumber = true
vim.opt.signcolumn = "yes"
vim.opt.termguicolors = true
vim.opt.cursorline = true
vim.opt.showmode = false
vim.opt.laststatus = 2
vim.opt.fillchars = { eob = " " }

-- Kill syntax highlighting
vim.cmd("syntax off")
vim.cmd("filetype plugin indent on")

-- Colorscheme
vim.cmd("colorscheme vacme")

-- Indentation
vim.opt.expandtab = true
vim.opt.tabstop = 4
vim.opt.shiftwidth = 4
vim.opt.smartindent = true
vim.opt.autoindent = true

-- Search
vim.opt.ignorecase = true
vim.opt.smartcase = true
vim.opt.hlsearch = false
vim.opt.incsearch = true

-- Wrapping
vim.opt.wrap = false
vim.opt.scrolloff = 8
vim.opt.sidescrolloff = 8

-- Misc
vim.opt.swapfile = false
vim.opt.backup = false
vim.opt.undofile = true
vim.opt.undodir = vim.fn.stdpath("data") .. "/undo"
vim.opt.clipboard = "unnamedplus"
vim.opt.mouse = "a"
vim.opt.updatetime = 250

-- snacks.nvim (explorer + project picker + dashboard)
require("snacks").setup({
  explorer = { enabled = true },
  picker = {
    enabled = true,
    sources = {
      projects = {
        dev = { "~/dev" },
        recent = false,
      },
    },
  },
  dashboard = {
    enabled = true,
    preset = {
      header = (function()
        local f = io.open(vim.fn.stdpath("config") .. "/glenda.txt", "r")
        if f then local s = f:read("*a"); f:close(); return s end
        return "code"
      end)(),
      keys = {
        { icon = " ", key = "f", desc = "Find File", action = ":lua Snacks.dashboard.pick('files')" },
        { icon = " ", key = "n", desc = "New File", action = ":ene | startinsert" },
        { icon = " ", key = "g", desc = "Find Text", action = ":lua Snacks.dashboard.pick('live_grep')" },
        { icon = " ", key = "r", desc = "Recent Files", action = ":lua Snacks.dashboard.pick('oldfiles')" },
        { icon = " ", key = "s", desc = "Browse src", action = ":e ~/.local/src/" },
        { icon = " ", key = "b", desc = "Browse scripts", action = ":e ~/.local/bin/" },
        { icon = " ", key = "i", desc = "mkshrc", action = ":e ~/.mkshrc" },
        { icon = " ", key = "p", desc = "plan9rc", action = ":e ~/.planrc" },
        { icon = " ", key = "a", desc = "aliases.sh", action = ":e ~/.config/mksh/aliases.sh" },
        { icon = " ", key = "u", desc = "functions.sh", action = ":e ~/.config/mksh/functions.sh" },
        { icon = " ", key = "e", desc = "Explorer", action = ":lua Snacks.explorer.open()" },
        { icon = " ", key = "q", desc = "Quit", action = ":qa" },
      },
    },
    sections = {
      { section = "header" },
      { section = "keys", gap = 1, padding = 1 },
    },
  },
})

-- gitsigns
require("gitsigns").setup({
  signs = {
    add = { text = "+" },
    change = { text = "~" },
    delete = { text = "_" },
    topdelete = { text = "-" },
    changedelete = { text = "~" },
  },
})

-- lualine (statusline)
require("lualine").setup({
  options = {
    theme = {
      normal = {
        a = { fg = "#424242", bg = "#EAFFFF", gui = "bold" },
        b = { fg = "#424242", bg = "#EAEBDB" },
        c = { fg = "#424242", bg = "#FFFFEC" },
      },
      insert = {
        a = { fg = "#424242", bg = "#EFFEEC", gui = "bold" },
      },
      visual = {
        a = { fg = "#424242", bg = "#EEEEA7", gui = "bold" },
      },
      command = {
        a = { fg = "#424242", bg = "#D0D0F7", gui = "bold" },
      },
      inactive = {
        c = { fg = "#999957", bg = "#FFFFEC" },
      },
    },
    icons_enabled = false,
    component_separators = { left = "|", right = "|" },
    section_separators = { left = "", right = "" },
  },
  sections = {
    lualine_a = { "mode" },
    lualine_b = { "branch" },
    lualine_c = { "filename" },
    lualine_x = { "filetype" },
    lualine_y = { "progress" },
    lualine_z = { "location" },
  },
})

-- Keymaps
local map = vim.keymap.set

-- Explorer
map("n", "<leader>e", function() Snacks.explorer.open() end, { desc = "Toggle file explorer" })

-- Project switcher (browse ~/dev directories)
map("n", "<leader>fp", function()
  local dev_root = vim.fn.expand("~/dev")
  Snacks.picker.files({
    cwd = dev_root,
    cmd = "fd",
    args = { "--type", "d", "--max-depth", "1" },
    confirm = function(picker, item)
      picker:close()
      if item then
        local dir = dev_root .. "/" .. item.text:gsub("/$", "")
        vim.cmd("cd " .. vim.fn.fnameescape(dir))
        Snacks.picker.files({ cwd = dir })
      end
    end,
  })
end, { desc = "Switch project" })

-- File search
map("n", "<leader>sf", function() Snacks.picker.files() end, { desc = "Search files" })
map("n", "<leader>fg", function() Snacks.picker.grep() end, { desc = "Grep" })
map("n", "<leader>ff", function() Snacks.picker.smart() end, { desc = "Smart find" })
map("n", "<leader>s.", function() Snacks.picker.recent() end, { desc = "Recent files" })
map("n", "<leader><leader>", function() Snacks.picker.buffers() end, { desc = "Buffers" })
map("n", "<leader>/", function() Snacks.picker.lines() end, { desc = "Search in buffer" })

-- Basics
map("n", "<leader>w", "<cmd>w<cr>", { desc = "Save" })
map("n", "<leader>q", "<cmd>q<cr>", { desc = "Quit" })