From fa03de4695c21257f185a5b26c19b92fbc956ff0 Mon Sep 17 00:00:00 2001
From: Theis <thph@itu.dk>
Date: Fri, 11 Oct 2024 11:21:39 +0200
Subject: [PATCH] feat: add tui show users (WIP) and prefer bat if present

---
 src_code/go_src/cmd/tui/tui_show_users.go | 106 ++++++++++++++++++++++
 src_code/go_src/cmd/users.go              |  37 ++++++--
 2 files changed, 133 insertions(+), 10 deletions(-)
 create mode 100644 src_code/go_src/cmd/tui/tui_show_users.go

diff --git a/src_code/go_src/cmd/tui/tui_show_users.go b/src_code/go_src/cmd/tui/tui_show_users.go
new file mode 100644
index 0000000..92f4770
--- /dev/null
+++ b/src_code/go_src/cmd/tui/tui_show_users.go
@@ -0,0 +1,106 @@
+package tui
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/charmbracelet/bubbles/viewport"
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/glamour"
+	"github.com/charmbracelet/lipgloss"
+)
+
+//TODO: MAybe change away from glamour if the weird email issue can't be solved
+
+var content string 
+
+var helpStyle_us = lipgloss.NewStyle().Foreground(lipgloss.Color("241")).Render
+
+type example struct {
+	viewport viewport.Model
+}
+
+func newExample() (*example, error) {
+	const width = 78
+
+	vp := viewport.New(width, 20)
+	vp.Style = lipgloss.NewStyle().
+		BorderStyle(lipgloss.RoundedBorder()).
+		BorderForeground(lipgloss.Color("62")).
+		PaddingRight(2)
+
+	renderer, err := glamour.NewTermRenderer(
+		glamour.WithPreservedNewLines(),
+		glamour.WithAutoStyle(),
+		glamour.WithWordWrap(width),
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	str, err := renderer.Render(content)
+	if err != nil {
+		return nil, err
+	}
+
+	vp.SetContent(str)
+
+	return &example{
+		viewport: vp,
+	}, nil
+}
+
+func (e example) Init() tea.Cmd {
+	return nil
+}
+
+func (e example) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		switch msg.String() {
+		case "q", "ctrl+c", "esc":
+			return e, tea.Quit
+		default:
+			var cmd tea.Cmd
+			e.viewport, cmd = e.viewport.Update(msg)
+			return e, cmd
+		}
+	default:
+		return e, nil
+	}
+}
+
+func (e example) View() string {
+	return e.viewport.View() + e.helpView()
+}
+
+func (e example) helpView() string {
+	return helpStyle_us("\n  ↑/↓: Navigate • q: Quit\n")
+}
+
+func Entry_US(author_file string) {
+	file, err := os.Open(author_file)
+
+	scanner := bufio.NewScanner(file)
+	var cnt strings.Builder
+	
+	for scanner.Scan() {
+		cnt.WriteString(scanner.Text() + "\n")
+	}
+
+
+	content = cnt.String()
+
+	model, err := newExample()
+	if err != nil {
+		fmt.Println("Could not initialize Bubble Tea model:", err)
+		os.Exit(1)
+	}
+
+	if _, err := tea.NewProgram(model).Run(); err != nil {
+		fmt.Println("Bummer, there's been an error:", err)
+		os.Exit(1)
+	}
+}
\ No newline at end of file
diff --git a/src_code/go_src/cmd/users.go b/src_code/go_src/cmd/users.go
index 6fef0d3..4277858 100644
--- a/src_code/go_src/cmd/users.go
+++ b/src_code/go_src/cmd/users.go
@@ -1,8 +1,10 @@
 package cmd
 
 import (
+	"main/src_code/go_src/cmd/tui"
 	"main/src_code/go_src/cmd/utils"
 	"os"
+	"os/exec"
 	"slices"
 	"sort"
 	"strings"
@@ -19,21 +21,36 @@ var usersCmd = &cobra.Command{
 	Long:  `Displays all users from the author file located at: ` + authorfile,
 	Run: func(cmd *cobra.Command, args []string) {
 		//TODO: make this print a bit prettier (sort it and maybe use a table)
-		println("List of users:\nFormat: <shortname>/<name> -> Username: <username> Email: <email>")
-		seen_users := []utils.User{}
-		user_sb := []string{}
-		for name, usr := range utils.Users {
-			if !slices.Contains(seen_users, usr) {
-				user_sb = append(user_sb, utils.Users[name].Names+" ->"+" Username: "+usr.Username+" Email: "+usr.Email+"\n")
-				seen_users = append(seen_users, usr)
+		// check if the no pretty print flag is set
+		np, _ := cmd.Flags().GetBool("np")
+		if np {
+			println("List of users:\nFormat: <shortname>/<name> -> Username: <username> Email: <email>")
+			seen_users := []utils.User{}
+			user_sb := []string{}
+			for name, usr := range utils.Users {
+				if !slices.Contains(seen_users, usr) {
+					user_sb = append(user_sb, utils.Users[name].Names+" ->"+" Username: "+usr.Username+" Email: "+usr.Email+"\n")
+					seen_users = append(seen_users, usr)
+				}
 			}
+			sort.Strings(user_sb)
+			println(strings.Join(user_sb, ""))
+			os.Exit(1)
 		}
-		sort.Strings(user_sb)
-		println(strings.Join(user_sb, ""))
-		os.Exit(1)
+		bat_check := exec.Command("which", "bat")
+		out, _ := bat_check.CombinedOutput()
+		if string(out) == "" {
+			tui.Entry_US(authorfile)
+			os.Exit(0)
+		}
+		bat := exec.Command("bat", authorfile)
+		bat.Stdout = os.Stdout
+		bat.Stderr = os.Stderr
+		bat.Run()
 	},
 }
 
 func init() {
 	rootCmd.AddCommand(usersCmd)
+	usersCmd.Flags().BoolP("np", "n", false, "No pretty print of the users")
 }