-- Migration 019: Pipeline-System - Konfigurierbare mehrstufige Analysen
-- Ermöglicht Admin-Verwaltung von Pipeline-Konfigurationen (Issue #28)
-- Created: 2026-03-25

-- ========================================
-- 1. Erweitere ai_prompts für Reset-Feature
-- ========================================
ALTER TABLE ai_prompts
ADD COLUMN IF NOT EXISTS is_system_default BOOLEAN DEFAULT FALSE,
ADD COLUMN IF NOT EXISTS default_template TEXT;

COMMENT ON COLUMN ai_prompts.is_system_default IS 'true = System-Prompt mit Reset-Funktion';
COMMENT ON COLUMN ai_prompts.default_template IS 'Original-Template für Reset-to-Default';

-- Markiere bestehende Pipeline-Prompts als System-Defaults
UPDATE ai_prompts
SET
  is_system_default = true,
  default_template = template
WHERE slug LIKE 'pipeline_%';

-- ========================================
-- 2. Create pipeline_configs table
-- ========================================
CREATE TABLE IF NOT EXISTS pipeline_configs (
  id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
  name VARCHAR(255) NOT NULL UNIQUE,
  description TEXT,
  is_default BOOLEAN DEFAULT FALSE,
  active BOOLEAN DEFAULT TRUE,

  -- Module configuration: which data sources to include
  modules JSONB NOT NULL DEFAULT '{}'::jsonb,
  -- Example: {"körper": true, "ernährung": true, "training": true, "schlaf": false}

  -- Timeframes per module (days)
  timeframes JSONB NOT NULL DEFAULT '{}'::jsonb,
  -- Example: {"körper": 30, "ernährung": 30, "training": 14}

  -- Stage 1 prompts (parallel execution)
  stage1_prompts TEXT[] NOT NULL DEFAULT ARRAY[]::TEXT[],
  -- Example: ARRAY['pipeline_body', 'pipeline_nutrition', 'pipeline_activity']

  -- Stage 2 prompt (synthesis)
  stage2_prompt VARCHAR(100) NOT NULL,
  -- Example: 'pipeline_synthesis'

  -- Stage 3 prompt (optional, e.g., goals)
  stage3_prompt VARCHAR(100),
  -- Example: 'pipeline_goals'

  created TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
  updated TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);

-- ========================================
-- 3. Create indexes
-- ========================================
CREATE INDEX IF NOT EXISTS idx_pipeline_configs_default ON pipeline_configs(is_default) WHERE is_default = true;
CREATE INDEX IF NOT EXISTS idx_pipeline_configs_active ON pipeline_configs(active);

-- ========================================
-- 4. Seed: Standard-Pipeline "Alltags-Check"
-- ========================================
INSERT INTO pipeline_configs (
  name,
  description,
  is_default,
  modules,
  timeframes,
  stage1_prompts,
  stage2_prompt,
  stage3_prompt
) VALUES (
  'Alltags-Check',
  'Standard-Analyse: Körper, Ernährung, Training über die letzten 2-4 Wochen',
  true,
  '{"körper": true, "ernährung": true, "training": true, "schlaf": false, "vitalwerte": false, "mentales": false, "ziele": false}'::jsonb,
  '{"körper": 30, "ernährung": 30, "training": 14}'::jsonb,
  ARRAY['pipeline_body', 'pipeline_nutrition', 'pipeline_activity'],
  'pipeline_synthesis',
  'pipeline_goals'
) ON CONFLICT (name) DO NOTHING;

-- ========================================
-- 5. Seed: Erweiterte Pipelines (optional)
-- ========================================

-- Schlaf-Fokus Pipeline (wenn Schlaf-Prompts existieren)
INSERT INTO pipeline_configs (
  name,
  description,
  is_default,
  modules,
  timeframes,
  stage1_prompts,
  stage2_prompt,
  stage3_prompt
) VALUES (
  'Schlaf & Erholung',
  'Analyse von Schlaf, Vitalwerten und Erholungsstatus',
  false,
  '{"schlaf": true, "vitalwerte": true, "training": true, "körper": false, "ernährung": false, "mentales": false, "ziele": false}'::jsonb,
  '{"schlaf": 14, "vitalwerte": 7, "training": 14}'::jsonb,
  ARRAY['pipeline_sleep', 'pipeline_vitals', 'pipeline_activity'],
  'pipeline_synthesis',
  NULL
) ON CONFLICT (name) DO NOTHING;

-- Wettkampf-Analyse (langfristiger Trend)
INSERT INTO pipeline_configs (
  name,
  description,
  is_default,
  modules,
  timeframes,
  stage1_prompts,
  stage2_prompt,
  stage3_prompt
) VALUES (
  'Wettkampf-Analyse',
  'Langfristige Analyse für Wettkampfvorbereitung (90 Tage)',
  false,
  '{"körper": true, "training": true, "vitalwerte": true, "ernährung": true, "schlaf": false, "mentales": false, "ziele": true}'::jsonb,
  '{"körper": 90, "training": 90, "vitalwerte": 30, "ernährung": 60}'::jsonb,
  ARRAY['pipeline_body', 'pipeline_activity', 'pipeline_vitals', 'pipeline_nutrition'],
  'pipeline_synthesis',
  'pipeline_goals'
) ON CONFLICT (name) DO NOTHING;

-- ========================================
-- 6. Trigger für updated timestamp
-- ========================================
DROP TRIGGER IF EXISTS trigger_pipeline_configs_updated ON pipeline_configs;
CREATE TRIGGER trigger_pipeline_configs_updated
  BEFORE UPDATE ON pipeline_configs
  FOR EACH ROW
  EXECUTE FUNCTION update_updated_timestamp();

-- ========================================
-- 7. Constraints & Validation
-- ========================================

-- Only one default config allowed (enforced via partial unique index)
CREATE UNIQUE INDEX IF NOT EXISTS idx_pipeline_configs_single_default
ON pipeline_configs(is_default)
WHERE is_default = true;

-- ========================================
-- 8. Comments (Documentation)
-- ========================================
COMMENT ON TABLE pipeline_configs IS 'v9f Issue #28: Konfigurierbare Pipeline-Analysen. Admins können mehrere Pipeline-Configs erstellen mit unterschiedlichen Modulen und Zeiträumen.';
COMMENT ON COLUMN pipeline_configs.modules IS 'JSONB: Welche Module aktiv sind (boolean flags)';
COMMENT ON COLUMN pipeline_configs.timeframes IS 'JSONB: Zeiträume pro Modul in Tagen';
COMMENT ON COLUMN pipeline_configs.stage1_prompts IS 'Array von slug-Werten für parallele Stage-1-Prompts';
COMMENT ON COLUMN pipeline_configs.stage2_prompt IS 'Slug des Synthese-Prompts (kombiniert Stage-1-Ergebnisse)';
COMMENT ON COLUMN pipeline_configs.stage3_prompt IS 'Optionaler Slug für Stage-3-Prompt (z.B. Zielabgleich)';