-- ═══════════════════════════════════════════════════════════
-- ⚡ DreamStack Playground
-- ═══════════════════════════════════════════════════════════
-- One page. Everything visible. Click and watch data flow.
--
-- dreamstack build examples/mission-control.ds -o /tmp/mission-control

import { Card } from "../registry/components/card"
import { Badge } from "../registry/components/badge"

-- ════════════════════════════════
-- SIGNALS — the core of DreamStack
-- ════════════════════════════════

let score = 0
let player = "Player 1"
let status = "idle"
let hp = 100
let xp = 0
let level = 1
let inventory = ["Sword", "Shield", "Potion"]
let log = ["Game started"]

-- Derived: auto-computed from source signals
let damage = score * 3
let shield = hp > 50
let rank = level * 10 + xp

-- Spring: physics-animated value
let energy = spring(100)

view main = column [
  text "⚡ DreamStack Playground" { variant: "title" }

  -- ════════════════════════════════
  -- SOURCE: You control signals here
  -- ════════════════════════════════

  row [
    -- SIGNAL CONTROL PANEL
    Card { title: "🎮 Source Signals", subtitle: "change these → everything reacts" } [
      text "score" { variant: "subtitle" }
      text "{score}" { variant: "title" }
      row [
        button "+1" { click: score += 1, variant: "primary" }
        button "+10" { click: score += 10, variant: "primary" }
        button "0" { click: score = 0, variant: "ghost" }
      ]

      text "hp" { variant: "subtitle" }
      text "{hp}" { variant: "title" }
      row [
        button "Hit -20" { click: hp -= 20, variant: "destructive" }
        button "Heal +30" { click: hp += 30, variant: "primary" }
        button "Full" { click: hp = 100, variant: "ghost" }
      ]

      text "status" { variant: "subtitle" }
      row [
        button "idle" { click: status = "idle", variant: "ghost" }
        button "fighting" { click: status = "fighting", variant: "primary" }
        button "dead" { click: status = "dead", variant: "destructive" }
      ]

      text "level / xp" { variant: "subtitle" }
      row [
        button "XP +5" { click: xp += 5, variant: "primary" }
        button "Level Up" { click: level += 1, variant: "primary" }
      ]
    ]

    -- DERIVED SIGNALS — auto-updated
    Card { title: "⚙️ Derived Signals", subtitle: "auto-computed, zero code" } [
      text "damage = score × 3" { variant: "subtitle" }
      text "{damage}" { variant: "title" }

      text "shield = hp > 50" { variant: "subtitle" }
      when shield ->
        Badge { label: "SHIELD UP ✓", variant: "success" }
      else ->
        Badge { label: "SHIELD DOWN ✗", variant: "error" }

      text "rank = level × 10 + xp" { variant: "subtitle" }
      text "{rank}" { variant: "title" }

      text "energy (spring)" { variant: "subtitle" }
      text "{energy}" { variant: "title" }
      row [
        button "Drain" { click: energy = 10, variant: "destructive" }
        button "Charge" { click: energy = 100, variant: "primary" }
      ]
    ]
  ]

  -- ════════════════════════════════
  -- REACTIVE UI — responds to signals
  -- ════════════════════════════════

  row [
    -- MATCH: status drives which badge shows
    Card { title: "📊 Status Display", subtitle: "match status" } [
      match status
        "idle" -> Badge { label: "💤 IDLE", variant: "info" }
        "fighting" -> Badge { label: "⚔️ FIGHTING", variant: "warning" }
        "dead" -> Badge { label: "💀 DEAD", variant: "error" }
        _ -> Badge { label: "???", variant: "info" }

      -- WHEN/ELSE: conditional rendering
      when hp > 80 ->
        text "💚 Healthy"
      when hp > 30 ->
        text "💛 Wounded"
      else ->
        text "❤️ Critical!"

      when score > 20 ->
        Badge { label: "🔥 ON FIRE", variant: "warning" }
    ]

    -- EACH: dynamic list
    Card { title: "🎒 Inventory", subtitle: "each + array methods" } [
      each item in inventory ->
        row [
          Badge { label: item, variant: "info" }
          button "Drop" { click: inventory.remove(_idx), variant: "ghost" }
        ]
      row [
        button "+Bow" { click: inventory.push("Bow"), variant: "primary" }
        button "+Ring" { click: inventory.push("Ring"), variant: "primary" }
        button "Sort" { click: inventory.sort(), variant: "ghost" }
        button "Clear" { click: inventory.clear(), variant: "destructive" }
      ]
    ]

    -- INPUT BINDING + LOG
    Card { title: "📝 Event Log", subtitle: "input bind + push" } [
      input { bind: player, placeholder: "Player name..." }
      text "Playing as: {player}" { variant: "title" }
      button "Log Score" { click: log.push(player), variant: "primary" }
      each entry in log ->
        text "→ {entry}"
    ]
  ]

  -- ════════════════════════════════
  -- EMBED: what a page needs to receive this
  -- ════════════════════════════════

  Card { title: "📡 Receiver — Live Signal Values", subtitle: "these signals stream to any receiver" } [
    row [
      column [
        text "score = {score}"
        text "damage = {damage}"
        text "hp = {hp}"
      ]
      column [
        text "shield = {shield}"
        text "level = {level}"
        text "rank = {rank}"
      ]
      column [
        text "status = {status}"
        text "player = {player}"
        text "xp = {xp}"
      ]
    ]
  ]

  Card { title: "🔌 Embed Option 1 — iframe", subtitle: "one line, any website" } [
    text "Paste into any HTML page:" { variant: "subtitle" }
    text ""
    text "[iframe src=your-relay/view/game /]"
    text ""
    text "The compiled .ds app runs inside the iframe."
    text "Self-contained, no dependencies."
    Badge { label: "ZERO CONFIG", variant: "success" }
  ]

  Card { title: "🔌 Embed Option 2 — JS API", subtitle: "vanilla JavaScript, full control" } [
    text "Add to any web page:" { variant: "subtitle" }
    text ""
    text "[script src=dreamstack-runtime.js]"
    text ""
    text "  const game = DS._connectStream(RELAY_URL)"
    text ""
    text "  game.on(score, (v) => scoreEl.textContent = v)"
    text ""
    text "  game.on(hp, (v) => healthBar.style.width = v)"
    text ""
    text "[/script]"
    text ""
    Badge { label: "3 LINES OF JS", variant: "success" }
    text "Works with React, Vue, Svelte, vanilla — anything."
  ]

  Card { title: "🔌 Embed Option 3 — DreamStack .ds", subtitle: "full reactive receiver" } [
    text "Write a .ds file — compile to self-contained HTML:" { variant: "subtitle" }
    text ""
    text "let game = stream from RELAY_URL"
    text ""
    text "view main = column ["
    text "  text Score: (game.score)"
    text "  when game.hp is low ->"
    text "    text DANGER!"
    text "]"
    text ""
    Badge { label: "FULL REACTIVITY", variant: "info" }
    text "Remote signals become local reactive proxies."
    text "Match, when/else, each — everything works on remote data."
  ]
]