local cmp = require("cmp")
local cmp_lsp = require("cmp_nvim_lsp")
local capabilities = vim.tbl_deep_extend("force", {}, vim.lsp.protocol
                                             .make_client_capabilities(),
                                         cmp_lsp.default_capabilities())

local cmp_kinds = { -- change later
    Text = '  ',
    Method = '  ',
    Function = '  ',
    Constructor = '  ',
    Field = '  ',
    Variable = '  ',
    Class = '  ',
    Interface = '  ',
    Module = '  ',
    Property = '  ',
    Unit = '  ',
    Value = '  ',
    Enum = '  ',
    Keyword = '  ',
    Snippet = '  ',
    Color = '  ',
    File = '  ',
    Reference = '  ',
    Folder = '  ',
    EnumMember = '  ',
    Constant = '  ',
    Struct = '  ',
    Event = '  ',
    Operator = '  ',
    TypeParameter = '  '
}

require("fidget").setup({})
require("mason").setup()
require("mason-lspconfig").setup({
    automatic_enable = true,
    ensure_installed = {
        "lua_ls", "rust_analyzer", "jdtls", "yamlls", "ts_ls", "tailwindcss",
        "html", "cssls"
    },
    handlers = {
        function(server_name) -- default handler (optional)
            require("lspconfig")[server_name].setup {
                capabilities = capabilities
            }
        end,

        zls = function()
            local lspconfig = require("lspconfig")
            lspconfig.zls.setup({
                capabilities = capabilities,
                root_dir = lspconfig.util.root_pattern(".git", "build.zig",
                                                       "zls.json"),
                settings = {
                    zls = {
                        enable_inlay_hints = true,
                        enable_snippets = true,
                        warn_style = true
                    }
                }
            })
            vim.g.zig_fmt_parse_errors = 0
            vim.g.zig_fmt_autosave = 0

        end,
        ["lua_ls"] = function()
            local lspconfig = require("lspconfig")
            lspconfig.lua_ls.setup {
                capabilities = capabilities,
                settings = {
                    Lua = {
                        runtime = {version = "Lua 5.1"},
                        diagnostics = {
                            globals = {
                                "bit", "vim", "it", "describe", "before_each",
                                "after_each"
                            }
                        }
                    }
                }
            }
        end
    }
})

cmp.setup {
    formatting = {
        fields = {'kind', 'abbr'},
        format = function(entry, vim_item)
            vim_item.kind = cmp_kinds[vim_item.kind] or ''
            if entry.completion_item.detail then
                vim_item.menu = entry.completion_item.detail
            end
            return vim_item
        end
    },
    completion = {completeopt = "menu,menuone"},
    snippet = {
        expand = function(args) require("luasnip").lsp_expand(args.body) end
    },
    mapping = { -- change later zach is ????
        ["<C-d>"] = cmp.mapping.scroll_docs(-4),
        ["<C-f>"] = cmp.mapping.scroll_docs(4),
        ["<C-Space>"] = cmp.mapping.complete(),
        ["<C-e>"] = cmp.mapping.close(),
        ["<CR>"] = cmp.mapping.confirm {
            behavior = cmp.ConfirmBehavior.Insert,
            select = true
        },
        ["<Tab>"] = cmp.mapping(function(fallback)
            if cmp.visible() then
                cmp.select_next_item()
            elseif require("luasnip").expand_or_jumpable() then
                require("luasnip").expand_or_jump()
            else
                fallback()
            end
        end, {"i", "s"}),
        ["<S-Tab>"] = cmp.mapping(function(fallback)
            if cmp.visible() then
                cmp.select_prev_item()
            elseif require("luasnip").jumpable(-1) then
                require("luasnip").jump(-1)
            else
                fallback()
            end
        end, {"i", "s"})
    },

    sources = cmp.config.sources({
        {name = "path"}, {name = "nvim_lsp"}, {name = "luasnip"}, -- snip snip
        {name = "buffer"}, {name = "nvim_lua"}
    })
}

vim.diagnostic.config({
    -- update_in_insert = true,
    virtual_text = true,
    float = {
        focusable = false,
        style = "minimal",
        border = "rounded",
        source = "always",
        header = "",
        prefix = ""
    }
})

vim.api.nvim_set_keymap("n", "gd", "<cmd>lua vim.lsp.buf.definition()<CR>",
                        {noremap = true, silent = true})
vim.api.nvim_set_keymap("n", "gD", "<cmd>lua vim.lsp.buf.declaration()<CR>",
                        {noremap = true, silent = true})

local lspconfig = require "lspconfig"

-- EXAMPLE
local servers = {}

for _, server in ipairs(servers) do lspconfig[server].setup {} end