-- Tab
vim.opt.tabstop = 2                 -- number of visual spaces per TAB
vim.opt.softtabstop = 2             -- number of spacesin tab when editing
vim.opt.shiftwidth = 2              -- insert 4 spaces on a tab
vim.opt.expandtab = true            -- tabs are spaces, mainly because of python

-- UI config
vim.opt.number = true               -- show absolute number
vim.opt.relativenumber = true       -- add numbers to each line on the left side
vim.opt.splitbelow = true           -- open new vertical split bottom
vim.opt.splitright = true           -- open new horizontal splits right
-- vim.opt.termguicolors = true        -- enabl 24-bit RGB color in the TUI
vim.opt.showmode = false            -- we are experienced, wo don't need the "-- INSERT --" mode hint

-- Searching
vim.opt.incsearch = true            -- search as characters are entered
vim.opt.hlsearch = false            -- do not highlight matches
vim.opt.ignorecase = true           -- ignore case in searches by default
vim.opt.smartcase = true            -- but make it case sensitive if an uppercase is entered

-- -- Keybinds
vim.keymap.set('n', '<C-h>', '<C-w>h', opts)
vim.keymap.set('n', '<C-j>', '<C-w>j', opts)
vim.keymap.set('n', '<C-k>', '<C-w>k', opts)
vim.keymap.set('n', '<C-l>', '<C-w>l', opts)

-- Resize with arrows
-- delta: 2 lines
vim.keymap.set('n', '<C-Up>', ':resize -2<CR>', opts)
vim.keymap.set('n', '<C-Down>', ':resize +2<CR>', opts)
vim.keymap.set('n', '<C-Left>', ':vertical resize -2<CR>', opts)
vim.keymap.set('n', '<C-Right>', ':vertical resize +2<CR>', opts)


vim.keymap.set('i', 'jk', '<Esc>', opts)

-- Lazy
require("config.lazy")
-- require("flutter-tools").setup {} -- use defaults
require("catppuccin").setup({
    integrations = {
        cmp = false,
        gitsigns = true,
        nvimtree = true,
        treesitter = true,
        notify = false,
        mini = {
            enabled = false,
            indentscope_color = "",
        },
    }
})


-- css colors
vim.opt.termguicolors = true
require('nvim-highlight-colors').setup({})

vim.cmd.colorscheme "catppuccin"



-- lsp
local on_attach = function(_, bufnr)

  local bufmap = function(keys, func)
    vim.keymap.set('n', keys, func, { buffer = bufnr })
  end

  bufmap('<leader>r', vim.lsp.buf.rename)
  bufmap('<leader>a', vim.lsp.buf.code_action)

  bufmap('gd', vim.lsp.buf.definition)
  bufmap('gD', vim.lsp.buf.declaration)
  bufmap('gI', vim.lsp.buf.implementation)
  bufmap('<leader>D', vim.lsp.buf.type_definition)

  bufmap('gr', require('telescope.builtin').lsp_references)
  bufmap('<leader>s', require('telescope.builtin').lsp_document_symbols)
  bufmap('<leader>S', require('telescope.builtin').lsp_dynamic_workspace_symbols)

  bufmap('K', vim.lsp.buf.hover)

  vim.api.nvim_buf_create_user_command(bufnr, 'Format', function(_)
    vim.lsp.buf.format()
  end, {})
end

local capabilities = vim.lsp.protocol.make_client_capabilities()
capabilities = require('coq').lsp_ensure_capabilities(capabilities)

require('lspconfig').lua_ls.setup {
    on_attach = on_attach,
    capabilities = capabilities,
	root_dir = function()
        return vim.loop.cwd()
    end,
	cmd = { "lua-language-server" },
    settings = {
        Lua = {
            workspace = { checkThirdParty = false },
            telemetry = { enable = false },
        },
    }
}

require('lspconfig').nil_ls.setup {
    on_attach = on_attach,
    capabilities = capabilities,
}

--[[ require('lspconfig').rust_analyzer.setup {
    on_attach = on_attach,
    capabilities = capabilities,
} ]]



-- Plugin setups
require('lualine').setup()
require("dapui").setup()
require("ibl").setup()

-- -- Debugger
local dap, dapui = require("dap"), require("dapui")
dap.listeners.before.attach.dapui_config = function()
  dapui.open()
end
dap.listeners.before.launch.dapui_config = function()
  dapui.open()
end
dap.listeners.before.event_terminated.dapui_config = function()
  dapui.close()
end
dap.listeners.before.event_exited.dapui_config = function()
  dapui.close()
end

-- c und rust
dap.adapters.lldb = {
  type = 'executable',
  command = 'lldb', -- adjust as needed, must be absolute path
  name = 'lldb'
}
dap.configurations.c = dap.configurations.cpp
dap.configurations.rust = dap.configurations.cpp

--------------------------------------------
local builtin = require('telescope.builtin')
-- Telescope binds
vim.keymap.set('n', '<leader>ff', builtin.find_files, { desc = 'Telescope find files' })
vim.keymap.set('n', '<leader>fg', builtin.live_grep, { desc = 'Telescope live grep' })
vim.keymap.set('n', '<leader>fb', ":Telescope file_browser<CR>", { desc = 'Telescope file_browser' })
vim.keymap.set('n', '<leader>fh', builtin.help_tags, { desc = 'Telescope help tags' })

-- Dap binds
vim.keymap.set('n', '<leader>do', dapui.open, { desc = "Open debug overlay" })
vim.keymap.set('n', '<leader>dc', dapui.close, { desc = "Close debug overlay" })
vim.keymap.set('n', '<F5>', dap.toggle_breakpoint, { desc = "Close debug overlay" })
vim.keymap.set('n', '<F6>', dap.continue, { desc = "Close debug overlay" })
vim.keymap.set('n', '<F7>', dap.step_over, { desc = "Close debug overlay" })
vim.keymap.set('n', '<F8>', dap.step_into, { desc = "Close debug overlay" })