local server = require "nvim-lsp-installer.server"
local notify = require "nvim-lsp-installer.notify"
local path = require "nvim-lsp-installer.path"
local Data = require "nvim-lsp-installer.data"
local platform = require "nvim-lsp-installer.platform"
local std = require "nvim-lsp-installer.installers.std"
local context = require "nvim-lsp-installer.installers.context"
local process = require "nvim-lsp-installer.process"

local os = Data.coalesce(
    Data.when(platform.is_mac, "darwin"),
    Data.when(platform.is_linux, "linux"),
    Data.when(platform.is_win, "windows")
)

local arch = Data.coalesce(Data.when(platform.arch == "x64", "amd64"), platform.arch)

local target = ("tflint_%s_%s.zip"):format(os, arch)

return function(name, root_dir)
    local bin_path = path.concat { root_dir, "tflint" }

    return server.Server:new {
        name = name,
        root_dir = root_dir,
        languages = { "terraform" },
        homepage = "https://github.com/terraform-linters/tflint",
        installer = {
            context.use_github_release_file("terraform-linters/tflint", target),
            context.capture(function(ctx)
                return std.unzip_remote(ctx.github_release_file)
            end),
        },
        default_options = {
            cmd = { bin_path, "--langserver" },
            commands = {
                TFLintInit = {
                    function()
                        notify "Installing TFLint plugins…"
                        process.spawn(
                            bin_path,
                            {
                                args = { "--init" },
                                cwd = path.cwd(),
                                stdio_sink = process.simple_sink(),
                            },
                            vim.schedule_wrap(function(success)
                                if success then
                                    notify "Successfully installed TFLint plugins."
                                else
                                    notify "Failed to install TFLint plugins."
                                end
                            end)
                        )
                    end,
                    description = "Runs tflint --init in the current working directory.",
                },
            },
        },
    }
end