local mylsp = require("lsp")

local servers = {
    clangd = {},
    cssls = {},
    html = {},
    jsonls = {},
    ts_ls = {},

    taplo = {},
    yamlls = {},

    bashls = {},
    fish_lsp = {},

    pyright = {},
    lua_ls = {},
    gopls = {},
    -- -- fix this, it shows spamming message on top
    -- golangci_lint_ls = {},
    tinymist = {},
    nil_ls = {
        settings = {
            ["nil"] = { formatting = { command = { "alejandra" } } },
        },
    },
}

vim.diagnostic.config {
    signs = {
        text = {
            [vim.diagnostic.severity.ERROR] = "E",
            [vim.diagnostic.severity.WARN] = "W",
            [vim.diagnostic.severity.INFO] = "I",
            [vim.diagnostic.severity.HINT] = "H",
        },
    },
    severity_sort = true,
    underline = {
        severity = {
            vim.diagnostic.severity.ERROR,
            vim.diagnostic.severity.WARN,
        },
    },
}

do
    local index = 1

    ---@type vim.diagnostic.Opts[]
    local modes = {
        {
            virtual_lines = false,
        },
        {
            virtual_lines = { severity = { vim.diagnostic.severity.ERROR }, current_line = true },
        },
        {
            virtual_lines = { severity = { vim.diagnostic.severity.ERROR }, current_line = false },
        },
    }
    vim.diagnostic.config(modes[index])

    ---@param direction 'forward' | 'backward'
    local function cycle_diagnostic_modes(direction)
        if direction == "forward" then
            index = (index % #modes) + 1
        else
            index = (index - 2 + #modes) % #modes + 1
        end

        vim.diagnostic.config(modes[index])
    end

    vim.keymap.set("n", "]d", function() cycle_diagnostic_modes("forward") end)
    vim.keymap.set("n", "[d", function() cycle_diagnostic_modes("backward") end)
end

-- Helix style border
local orig_util_open_floating_preview = vim.lsp.util.open_floating_preview
---@diagnostic disable-next-line: duplicate-set-field
function vim.lsp.util.open_floating_preview(contents, syntax, opts, ...)
    opts = opts or {}
    opts.border = mylsp.border
    return orig_util_open_floating_preview(contents, syntax, opts, ...)
end

-- Set log level
vim.lsp.set_log_level("off")

-- It is not recommended to break lspconfig into different settings
-- related: https://github.com/neovim/nvim-lspconfig/issues/970#issuecomment-860080502
for name, user_config in pairs(servers) do
    if next(user_config) ~= nil then
        local default_config = {
            capabilities = mylsp.capabilities,
            settings = user_config,
            on_attach = function(client, bufno) mylsp.on_attach(client, bufno) end,
        }
        local merged_config = vim.tbl_deep_extend("force", default_config, user_config)
        vim.lsp.config(name, merged_config)
    end
    vim.lsp.enable(name)
end