package main

import (
	"github.com/charmbracelet/bubbles/textarea"
	"github.com/charmbracelet/bubbles/viewport"
)

func initialModel() model {
	// detailed tree to showcase design
	root := &TreeNode{
		Label:    "nextshell-mock-folder",
		Expanded: true,
		Children: []*TreeNode{
			{
				Label:    "cmd",
				Expanded: true,
				Children: []*TreeNode{
					{Label: "build"},
					{Label: "deploy"},
					{Label: "test"},
				},
			},
			{
				Label:    "pkg",
				Expanded: true,
				Children: []*TreeNode{
					{
						Label:    "http",
						Expanded: true,
						Children: []*TreeNode{
							{Label: "client.go"},
							{Label: "server.go"},
						},
					},
					{
						Label:    "ui",
						Expanded: true,
						Children: []*TreeNode{
							{Label: "main.go"},
							{Label: "widgets.go"},
							{Label: "styles.go"},
						},
					},
				},
			},
			{
				Label: "configs",
				Children: []*TreeNode{
					{Label: "dev.yaml"},
					{Label: "prod.yaml"},
				},
			},
			{Label: "README.md"},
			{Label: "Makefile"},
		},
	}

	// sample commands to showcase cards, various sizes
	commands := []Command{
		{
			Input: "help",
			Result: dedent(`
				Available commands:
				- help      Show this message
				- ls        List files
				- cat FILE  Show file contents
				- run TASK  Run a task

				Tip: Use 'ls -la' for details.`,
			),
		},
		{
			Input: "ls -la /home/alice/projects",
			Result: dedent(`
				total 96
				drwxr-xr-x 12 alice alice 4096 Aug 22 21:00 .
				drwxr-xr-x  3 alice alice 4096 Aug 10 09:10 ..
				-rw-r--r--  1 alice alice  220 Aug  1 12:00 README.md
				drwxr-xr-x  4 alice alice 4096 Aug 22 20:58 src
				drwxr-xr-x  3 alice alice 4096 Aug 22 20:55 pkg
				drwxr-xr-x  5 alice alice 4096 Aug 22 20:59 ui
			`),
		},
		{
			Input: "cat src/ui/main.go",
			Result: dedent(`
				package main

				import "fmt"

				func main() {
					fmt.Println("ui starting...")
					// ...lots of code...
				}`,
			),
		},
		{
			Input:  "run test-suite --verbose",
			Result: longMockOutput(60), // long output to show truncation and scrolling in card result
		},
		{
			Input: "grep -R \"TODO\" .",
			Result: dedent(`
				src/ui/widgets.go:23:// TODO: refactor toolbar
				pkg/http/server.go:78:// TODO: handle timeouts
				README.md:4:<!-- TODO: add usage examples -->`,
			),
		},
	}

	v := viewport.New(90, 30)

	t := textarea.New()
	t.ShowLineNumbers = false
	t.Prompt = "$ "

	m := model{
		treeRoot: root,
		viewport: v,
		commands: commands,
		textarea: t,
	}

	// set viewport content with current commands
	m.resize(120, 40) // initial reasonable size for demo; WindowSizeMsg will update on real terminal
	m.viewport.SetContent(m.renderCommandsContent())
	m.viewport.GotoBottom()

	return m
}