[add]: merging and refactor

1 files changed, 138 insertions, 0 deletions

diff --git a/cli/app.js b/cli/app.js
new file mode 100644
index 0000000..1252358
--- /dev/null
+++ b/cli/app.js
@@ -0,0 +1,138 @@
+#!/usr/bin/env node
+
+const readline = require("readline")
+
+const { LoadConfig } = require("../lib/config")
+
+const { Check } = require("./commands/check")
+const { Generate } = require("./commands/generate")
+const { Merge } = require("./commands/merge")
+const { CleanGenerated, CleanLatest, CleanAll } = require("./commands/clean")
+const { ListMods } = require("./commands/list")
+
+const pkg = require("../package.json")
+const config = LoadConfig()
+const { minecraft_version } = config
+
+const ShowHelp = () =>
+{
+    console.log(`
+  Commands:
+
+    list-mods          List configured mods
+    check              Check if all mods are compatible before generating
+    generate           Download mods + server, run to generate files
+    merge              Backup server, move generated files to server location
+    clean generated    Remove server directory
+    clean latest       Remove latest backup zip
+    clean all          Remove both generated and latest backup
+    help               Show this help
+    exit               Exit
+`)
+}
+
+const ProcessCommand = async (input, rl) =>
+{
+    const parts = input.trim().toLowerCase().split(/\s+/)
+    const cmd = parts[0]
+    const arg = parts[1]
+
+    switch (cmd)
+    {
+        case "list-mods":
+            ListMods()
+            break
+
+        case "check":
+            await Check()
+            break
+
+        case "generate":
+            await Generate(rl)
+            break
+
+        case "merge":
+            await Merge()
+            break
+
+        case "clean":
+            if (arg === "generated")
+                await CleanGenerated()
+            else if (arg === "latest")
+                await CleanLatest()
+            else if (arg === "all")
+                await CleanAll()
+            else
+                console.log("  Usage: clean generated | clean latest | clean all")
+            break
+
+        case "help":
+        case "?":
+            ShowHelp()
+            break
+
+        case "exit":
+        case "quit":
+        case "q":
+            console.log("  Goodbye!\n")
+            process.exit(0)
+
+        case "":
+            break
+
+        default:
+            console.log(`  Unknown command: ${cmd}. Type 'help' for commands.`)
+    }
+}
+
+const DrawBox = (lines) =>
+{
+    const maxLen = Math.max(...lines.map(l => l.length))
+    const pad = (str) => str + " ".repeat(maxLen - str.length)
+    
+    const top = "╔" + "═".repeat(maxLen + 2) + "╗"
+    const bot = "╚" + "═".repeat(maxLen + 2) + "╝"
+    const mid = lines.map(l => "║ " + pad(l) + " ║").join("\n  ")
+
+    return `  ${top}\n  ${mid}\n  ${bot}`
+}
+
+const Main = () =>
+{
+    const title = `BENSON CLI v${pkg.version}`
+    const subtitle = `Fabric Server for MC ${minecraft_version}`
+
+    const box = DrawBox([title, subtitle])
+
+    console.log(`
+${box}
+
+  Type 'help' for commands.
+`)
+
+    const rl = readline.createInterface
+    ({
+        input: process.stdin,
+        output: process.stdout
+    })
+
+    const Prompt = () =>
+    {
+        rl.question("benson> ", async (input) =>
+        {
+            await ProcessCommand(input, rl)
+            Prompt()
+        })
+    }
+
+    rl.on("close", () =>
+    {
+        console.log("\n  Goodbye!\n")
+        process.exit(0)
+    })
+
+    Prompt()
+}
+
+Main()
+