Module: Tina4::Plan

Defined in:
lib/tina4/plan.rb

Constant Summary collapse

PLAN_DIR = 
"plan"
CURRENT_FILE = 
".current"
ARCHIVE_SUBDIR = 
"done"
STEP_RE = 
/\A\s*[-*]\s*\[(?<box>[ xX])\]\s*(?<text>.+?)\s*\z/.freeze

Class Method Summary collapse

Class Method Details

.add_step(text, name = "") ⇒ Object 



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# File 'lib/tina4/plan.rb', line 258

def add_step(text, name = "")
  text = text.to_s.strip
  return { "ok" => false, "error" => "text is required" } if text.empty?
  target = load_for_mutation(name)
  return target if target.is_a?(Hash) && target["ok"] == false
  path, plan = target
  plan["steps"] << { "text" => text, "done" => false }
  File.write(path, render(plan), encoding: "utf-8")
  { "ok" => true, "step" => text, "index" => plan["steps"].size - 1 }
end

.append_note(text, name = "") ⇒ Object 



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# File 'lib/tina4/plan.rb', line 269

def append_note(text, name = "")
  text = text.to_s.strip
  return { "ok" => false, "error" => "text is required" } if text.empty?
  target = load_for_mutation(name)
  return target if target.is_a?(Hash) && target["ok"] == false
  path, plan = target
  existing = (plan["notes"] || "").strip
  stamp = Time.now.strftime("%Y-%m-%d %H:%M")
  plan["notes"] = (existing + "\n- [#{stamp}] #{text}").strip
  File.write(path, render(plan), encoding: "utf-8")
  { "ok" => true, "appended" => text }
end

.archive(name = "") ⇒ Object 



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# File 'lib/tina4/plan.rb', line 444

def archive(name = "")
  target = name.to_s.strip.empty? ? current_name : name.to_s.strip
  return { "ok" => false, "error" => "No current plan and no name given" } if target.empty?
  target += ".md" unless target.end_with?(".md")
  src = File.join(plan_dir, target)
  return { "ok" => false, "error" => "No such plan: #{target}" } unless File.exist?(src)
  dest = File.join(archive_dir, target)
  dest = File.join(archive_dir, "#{Time.now.to_i}-#{target}") if File.exist?(dest)
  File.rename(src, dest)
  clear_current if current_name == target
  { "ok" => true, "archived_to" => dest.sub("#{project_root}/", "") }
end

.archive_dir ⇒ Object 



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# File 'lib/tina4/plan.rb', line 42

def archive_dir
  p = File.join(plan_dir, ARCHIVE_SUBDIR)
  FileUtils.mkdir_p(p)
  p
end

.clear_current ⇒ Object 



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# File 'lib/tina4/plan.rb', line 163

def clear_current
  File.delete(current_pointer) if File.exist?(current_pointer)
  { "ok" => true }
end

.complete_step(index, name = "") ⇒ Object 



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# File 'lib/tina4/plan.rb', line 226

def complete_step(index, name = "")
  target = load_for_mutation(name)
  return target if target.is_a?(Hash) && target["ok"] == false
  path, plan = target
  steps = plan["steps"]
  if index.negative? || index >= steps.size
    return { "ok" => false, "error" => "Step index #{index} out of range (0..#{steps.size - 1})" }
  end
  steps[index]["done"] = true
  File.write(path, render(plan), encoding: "utf-8")
  remaining = steps.each_with_index.reject { |s, _| s["done"] }.map { |_, i| i }
  {
    "ok"        => true,
    "completed" => steps[index]["text"],
    "remaining" => remaining.size,
    "next_step" => remaining.empty? ? nil : steps[remaining.first]["text"]
  }
end

.create(title, goal: "", steps: nil, make_current: true) ⇒ Object 



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# File 'lib/tina4/plan.rb', line 204

def create(title, goal: "", steps: nil, make_current: true)
  title = title.to_s.strip
  return { "ok" => false, "error" => "title is required" } if title.empty?
  name = "#{slugify(title)}.md"
  path = File.join(plan_dir, name)
  if File.exist?(path)
    return {
      "ok"    => false,
      "error" => "Plan already exists: #{name}. Pick a different title or edit the existing one."
    }
  end
  plan = {
    "title" => title,
    "goal"  => goal.to_s.strip,
    "steps" => (steps || []).map { |s| s.to_s.strip }.reject(&:empty?).map { |s| { "text" => s, "done" => false } },
    "notes" => ""
  }
  File.write(path, render(plan), encoding: "utf-8")
  File.write(current_pointer, name, encoding: "utf-8") if make_current
  { "ok" => true, "name" => name, "title" => title, "is_current" => make_current }
end

.current ⇒ Object 



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# File 'lib/tina4/plan.rb', line 168

def current
  name = current_name
  return { "current" => nil } if name.empty?
  path = File.join(plan_dir, name)
  unless File.exist?(path)
    clear_current
    return { "current" => nil, "warning" => "Current pointer referenced missing file: #{name}" }
  end
  parsed = parse(File.read(path, encoding: "utf-8"))
  indexed = parsed["steps"].each_with_index.map do |s, i|
    { "index" => i, "text" => s["text"], "done" => s["done"] }
  end
  next_step = indexed.find { |s| !s["done"] }
  {
    "current"   => name,
    "title"     => parsed["title"],
    "goal"      => parsed["goal"],
    "steps"     => indexed,
    "next_step" => next_step,
    "notes"     => parsed["notes"],
    "progress"  => {
      "done"  => indexed.count { |s| s["done"] },
      "total" => indexed.size
    },
    "execution" => summarise_execution(name)
  }
end

.current_name ⇒ Object 



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# File 'lib/tina4/plan.rb', line 148

def current_name
  ptr = current_pointer
  return "" unless File.exist?(ptr)
  File.read(ptr, encoding: "utf-8").strip
end

.current_pointer ⇒ Object 



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# File 'lib/tina4/plan.rb', line 38

def current_pointer
  File.join(plan_dir, CURRENT_FILE)
end

.flesh(name = "", prompt = "") ⇒ Object

── AI flesh-out ──────────────────────────────────────────



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# File 'lib/tina4/plan.rb', line 350

def flesh(name = "", prompt = "")
  target = (name.to_s.strip.empty? ? current_name : name.to_s.strip)
  return { "ok" => false, "error" => "No current plan and no name given" } if target.empty?
  current_plan = read(target)
  return { "ok" => false, "error" => current_plan["error"] } if current_plan["error"]

  existing = (current_plan["steps"] || []).map { |s| s["text"].to_s }
  title = current_plan["title"].to_s.empty? ? target : current_plan["title"]
  goal = current_plan["goal"].to_s

  system_prompt = (
    "You are Tina4, a coding planner embedded in the Tina4 dev " \
    "admin. Return ONLY a JSON array of short imperative step " \
    "strings (no prose, no code-fences, no numbering). 3-8 steps, " \
    "each referencing concrete files/routes/migrations. Example: " \
    '["Create src/orm/Duck.rb with id/name/sighted_at", ' \
    '"Add migration 001_create_ducks.sql", ' \
    '"Add GET/POST/PUT/DELETE /api/ducks routes in src/routes/ducks.rb"]'
  )
  user_parts = ["Plan title: #{title}"]
  user_parts << "Goal: #{goal}" unless goal.empty?
  user_parts << "Existing steps (don't repeat):\n- " + existing.join("\n- ") unless existing.empty?
  user_parts << "Extra context from caller: #{prompt}" unless prompt.to_s.empty?
  user_parts << "Reply with ONLY the JSON array — no explanation, no markdown fences."

  ai_url = ENV.fetch("TINA4_AI_URL", "http://localhost:11437/api/chat")
  ai_model = ENV.fetch("TINA4_AI_MODEL", "qwen2.5-coder:14b")

  reply = begin
    uri = URI.parse(ai_url)
    http = Net::HTTP.new(uri.host, uri.port)
    http.use_ssl = (uri.scheme == "https")
    http.open_timeout = 10
    http.read_timeout = 120
    req = Net::HTTP::Post.new(uri.request_uri, "Content-Type" => "application/json")
    req.body = JSON.generate({
      "model"    => ai_model,
      "stream"   => false,
      "messages" => [
        { "role" => "system", "content" => system_prompt },
        { "role" => "user",   "content" => user_parts.join("\n\n") }
      ]
    })
    resp = http.request(req)
    body = JSON.parse(resp.body)
    (body["message"].is_a?(Hash) ? body["message"]["content"] : nil) || body["response"] || ""
  rescue StandardError => e
    return { "ok" => false, "error" => "AI backend unreachable: #{e.message}" }
  end

  body = reply.to_s.strip
  if body.start_with?("```")
    body = body.gsub(/\A`+|`+\z/, "")
    body = body[4..].to_s.strip if body.downcase.start_with?("json")
    body = body.strip
  end

  proposed = []
  begin
    parsed = JSON.parse(body)
    proposed = parsed.map { |x| x.to_s.strip }.reject(&:empty?) if parsed.is_a?(Array)
  rescue StandardError
    reply.split("\n").each do |line|
      m = line.match(/\A\s*(?:[-*]|\d+[.)])\s+(.+?)\s*\z/)
      proposed << m[1].strip if m
    end
  end

  if proposed.empty?
    return { "ok" => false, "error" => "AI returned no usable steps", "raw_reply" => reply.to_s[0, 400] }
  end

  existing_lc = existing.map(&:downcase).to_set rescue existing.map(&:downcase)
  existing_lc = Set.new(existing_lc) if existing_lc.is_a?(Array)
  added = []
  proposed.each do |step|
    next if existing_lc.include?(step.downcase)
    res = add_step(step, target)
    if res["ok"]
      added << step
      existing_lc << step.downcase
    end
  end

  {
    "ok"              => true,
    "plan"            => target,
    "added"           => added,
    "added_count"     => added.size,
    "proposed_count"  => proposed.size,
    "plan_after"      => read(target)
  }
end

.ledger_path(name = "") ⇒ Object

── Execution ledger ───────────────────────────────────────



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# File 'lib/tina4/plan.rb', line 284

def ledger_path(name = "")
  name = name.to_s
  name = current_name if name.empty?
  return nil if name.empty?
  name += ".md" unless name.end_with?(".md")
  File.join(plan_dir, "#{name[0..-4]}.log.json")
end

.list_plans ⇒ Object

── Public API ─────────────────────────────────────────────



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# File 'lib/tina4/plan.rb', line 128

def list_plans
  d = plan_dir
  cur = current_name || ""
  out = []
  Dir.glob(File.join(d, "*.md")).sort.each do |path|
    name = File.basename(path)
    parsed = parse(File.read(path, encoding: "utf-8"))
    total = parsed["steps"].size
    done  = parsed["steps"].count { |s| s["done"] }
    out << {
      "name"        => name,
      "title"       => parsed["title"].to_s.empty? ? File.basename(name, ".md") : parsed["title"],
      "steps_total" => total,
      "steps_done"  => done,
      "is_current"  => name == cur
    }
  end
  out
end

.parse(text) ⇒ Object

── Parse / render ─────────────────────────────────────────



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# File 'lib/tina4/plan.rb', line 56

def parse(text)
  lines = text.to_s.split("\n", -1)
  title = ""
  goal  = ""
  steps = []
  notes_lines = []
  section = nil # :steps | :notes | :other | nil

  lines.each do |raw|
    line = raw.sub(/[[:space:]]+\z/, "")
    if title.empty? && line.start_with?("# ")
      title = line[2..].to_s.strip
      next
    end
    low = line.strip.downcase
    if low.start_with?("goal:") && goal.empty?
      goal = line.split(":", 2)[1].to_s.strip
      next
    end
    if low == "## steps"
      section = :steps
      next
    end
    if low == "## notes"
      section = :notes
      next
    end
    if line.start_with?("## ")
      section = :other
      next
    end
    if section == :steps
      m = STEP_RE.match(line)
      steps << { "text" => m[:text].strip, "done" => m[:box].downcase == "x" } if m
    elsif section == :notes && !line.strip.empty?
      notes_lines << line
    end
  end

  {
    "title" => title,
    "goal"  => goal,
    "steps" => steps,
    "notes" => notes_lines.join("\n").strip
  }
end

.plan_dir ⇒ Object 



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# File 'lib/tina4/plan.rb', line 32

def plan_dir
  p = File.join(project_root, PLAN_DIR)
  FileUtils.mkdir_p(p)
  p
end

.project_root ⇒ Object

── Paths ──────────────────────────────────────────────────



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# File 'lib/tina4/plan.rb', line 28

def project_root
  File.expand_path(Dir.pwd)
end

.read(name) ⇒ Object 



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# File 'lib/tina4/plan.rb', line 196

def read(name)
  name = name.to_s
  name += ".md" unless name.end_with?(".md")
  path = File.join(plan_dir, name)
  return { "error" => "No such plan: #{name}" } unless File.exist?(path)
  parse(File.read(path, encoding: "utf-8")).merge("name" => name)
end

.record_action(action, path, note: "") ⇒ Object 



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# File 'lib/tina4/plan.rb', line 292

def record_action(action, path, note: "")
  lp = ledger_path
  return nil if lp.nil?
  entries = []
  if File.exist?(lp)
    begin
      entries = JSON.parse(File.read(lp, encoding: "utf-8"))
    rescue StandardError
      entries = []
    end
  end
  entries << {
    "t"      => Time.now.to_i,
    "action" => action,
    "path"   => path,
    "note"   => note
  }
  entries = entries.last(500) if entries.size > 500
  begin
    File.write(lp, JSON.pretty_generate(entries), encoding: "utf-8")
  rescue StandardError
    # best-effort
  end
  nil
end

.render(plan) ⇒ Object 



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# File 'lib/tina4/plan.rb', line 103

def render(plan)
  parts = ["# #{plan["title"] || "Untitled plan"}", ""]
  goal = plan["goal"]
  if goal && !goal.to_s.empty?
    parts << "Goal: #{goal}"
    parts << ""
  end
  parts << "## Steps"
  parts << ""
  (plan["steps"] || []).each do |s|
    box = s["done"] ? "x" : " "
    parts << "- [#{box}] #{(s["text"] || "").to_s.strip}"
  end
  notes = (plan["notes"] || "").strip
  if !notes.empty?
    parts << ""
    parts << "## Notes"
    parts << ""
    parts << notes
  end
  parts.join("\n") + "\n"
end

.set_current(name) ⇒ Object 



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# File 'lib/tina4/plan.rb', line 154

def set_current(name)
  name = name.to_s.strip
  name += ".md" unless name.end_with?(".md")
  path = File.join(plan_dir, name)
  return { "ok" => false, "error" => "No such plan: #{name}" } unless File.exist?(path)
  File.write(current_pointer, name, encoding: "utf-8")
  { "ok" => true, "current" => name }
end

.slugify(title) ⇒ Object 



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# File 'lib/tina4/plan.rb', line 48

def slugify(title)
  slug = title.to_s.strip.downcase.gsub(/[^a-z0-9_\-]+/, "-").gsub(/\A-+|-+\z/, "")
  slug = slug[0, 80]
  slug.empty? ? "plan-#{Time.now.to_i}" : slug
end

.summarise_execution(name = "") ⇒ Object 



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# File 'lib/tina4/plan.rb', line 318

def summarise_execution(name = "")
  lp = ledger_path(name)
  empty = { "created" => [], "patched" => [], "migrations" => [], "total" => 0 }
  return empty if lp.nil? || !File.exist?(lp)
  begin
    entries = JSON.parse(File.read(lp, encoding: "utf-8"))
  rescue StandardError
    return empty
  end
  created = []
  patched = []
  migrations = []
  entries.each do |e|
    p = e["path"]
    next if p.nil?
    bucket = case e["action"]
             when "migration" then migrations
             when "created"   then created
             when "patched"   then patched
             end
    bucket << p if bucket && !bucket.include?(p)
  end
  {
    "created"    => created.last(20),
    "patched"    => patched.last(20),
    "migrations" => migrations.last(20),
    "total"      => entries.size
  }
end

.uncomplete_step(index, name = "") ⇒ Object 



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# File 'lib/tina4/plan.rb', line 245

def uncomplete_step(index, name = "")
  target = load_for_mutation(name)
  return target if target.is_a?(Hash) && target["ok"] == false
  path, plan = target
  steps = plan["steps"]
  if index.negative? || index >= steps.size
    return { "ok" => false, "error" => "Step index #{index} out of range" }
  end
  steps[index]["done"] = false
  File.write(path, render(plan), encoding: "utf-8")
  { "ok" => true, "step" => steps[index]["text"] }
end