CREATE EXTENSION IF NOT EXISTS "pgcrypto";

CREATE TABLE users (
    id         UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    email      TEXT NOT NULL UNIQUE,
    password_hash TEXT NOT NULL,
    role       TEXT NOT NULL DEFAULT 'user' CHECK (role IN ('admin', 'user')),
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE TABLE user_assets (
    id         UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    user_id    UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
    symbol     VARCHAR(20) NOT NULL,
    name       TEXT NOT NULL DEFAULT '',
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    UNIQUE (user_id, symbol)
);

CREATE TABLE sources (
    id         UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    name       TEXT NOT NULL,
    type       TEXT NOT NULL CHECK (type IN ('bloomberg', 'stocktwits', 'reuters', 'watcherguru')),
    enabled    BOOLEAN NOT NULL DEFAULT TRUE,
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE TABLE articles (
    id           UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    source_id    UUID NOT NULL REFERENCES sources(id) ON DELETE CASCADE,
    title        TEXT NOT NULL,
    content      TEXT NOT NULL DEFAULT '',
    url          TEXT NOT NULL UNIQUE,
    published_at TIMESTAMPTZ,
    created_at   TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE TABLE article_symbols (
    id         UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    article_id UUID NOT NULL REFERENCES articles(id) ON DELETE CASCADE,
    symbol     VARCHAR(20) NOT NULL,
    UNIQUE (article_id, symbol)
);

CREATE TABLE scrape_credentials (
    id                 UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    source_id          UUID NOT NULL REFERENCES sources(id) ON DELETE CASCADE UNIQUE,
    username           TEXT NOT NULL DEFAULT '',
    password_encrypted TEXT NOT NULL DEFAULT '',
    updated_at         TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE TABLE scrape_jobs (
    id             UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    source_id      UUID NOT NULL REFERENCES sources(id) ON DELETE CASCADE,
    status         TEXT NOT NULL DEFAULT 'pending' CHECK (status IN ('pending', 'running', 'done', 'error')),
    started_at     TIMESTAMPTZ,
    finished_at    TIMESTAMPTZ,
    articles_found INT NOT NULL DEFAULT 0,
    error_msg      TEXT NOT NULL DEFAULT '',
    created_at     TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE TABLE ai_providers (
    id                UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    name              TEXT NOT NULL CHECK (name IN ('openai', 'anthropic', 'gemini', 'ollama')),
    api_key_encrypted TEXT NOT NULL DEFAULT '',
    model             TEXT NOT NULL DEFAULT '',
    endpoint          TEXT NOT NULL DEFAULT '',
    is_active         BOOLEAN NOT NULL DEFAULT FALSE,
    created_at        TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE TABLE summaries (
    id              UUID PRIMARY KEY DEFAULT gen_random_uuid(),
    user_id         UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
    content         TEXT NOT NULL,
    ai_provider_id  UUID REFERENCES ai_providers(id) ON DELETE SET NULL,
    generated_at    TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE TABLE settings (
    key   TEXT PRIMARY KEY,
    value TEXT NOT NULL DEFAULT ''
);

-- Index pour les performances
CREATE INDEX idx_articles_source_id ON articles(source_id);
CREATE INDEX idx_articles_published_at ON articles(published_at DESC);
CREATE INDEX idx_article_symbols_symbol ON article_symbols(symbol);
CREATE INDEX idx_summaries_user_id ON summaries(user_id);
CREATE INDEX idx_summaries_generated_at ON summaries(generated_at DESC);
CREATE INDEX idx_scrape_jobs_status ON scrape_jobs(status);
CREATE INDEX idx_user_assets_user_id ON user_assets(user_id);

-- Sources initiales
INSERT INTO sources (name, type, enabled) VALUES
    ('Bloomberg', 'bloomberg', TRUE),
    ('Yahoo Finance', 'stocktwits', TRUE);

-- Paramètres par défaut
INSERT INTO settings (key, value) VALUES
    ('scrape_interval_minutes', '60'),
    ('articles_lookback_hours', '24'),
    ('summary_max_articles', '50');