CREATE TABLE IF NOT EXISTS miningcheck_projects (
    project_key VARCHAR(64) NOT NULL PRIMARY KEY,
    project_name VARCHAR(160) NOT NULL,
    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS miningcheck_settings (
    id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
    project_key VARCHAR(64) NOT NULL,
    baseline_measured_at DATETIME NOT NULL,
    baseline_coins_total DECIMAL(20,6) NOT NULL,
    daily_cost_amount DECIMAL(20,10) NOT NULL,
    daily_cost_currency VARCHAR(10) NOT NULL,
    report_currency VARCHAR(10) NULL,
    crypto_currency VARCHAR(10) NULL,
    display_timezone VARCHAR(64) NULL,
    fx_max_age_hours DECIMAL(10,2) NULL,
    module_theme_mode VARCHAR(16) NULL,
    module_theme_accent VARCHAR(16) NULL,
    preferred_currencies JSON NULL,
    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    CONSTRAINT fk_mining_settings_project FOREIGN KEY (project_key) REFERENCES miningcheck_projects(project_key) ON DELETE CASCADE,
    CONSTRAINT uq_mining_settings_project UNIQUE (project_key)
);

CREATE TABLE IF NOT EXISTS miningcheck_cost_plans (
    id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
    project_key VARCHAR(64) NOT NULL,
    label VARCHAR(120) NOT NULL,
    starts_at DATETIME NOT NULL,
    runtime_months INT NOT NULL,
    auto_renew TINYINT(1) NOT NULL DEFAULT 0,
    base_price_amount DECIMAL(20,8) NULL,
    payment_type VARCHAR(10) NOT NULL DEFAULT 'fiat',
    total_cost_amount DECIMAL(20,8) NOT NULL,
    currency VARCHAR(10) NOT NULL,
    note TEXT NULL,
    is_active TINYINT(1) NOT NULL DEFAULT 1,
    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    CONSTRAINT fk_mining_cost_plans_project FOREIGN KEY (project_key) REFERENCES miningcheck_projects(project_key) ON DELETE CASCADE
);

CREATE INDEX idx_miningcheck_cost_plans_project_start
    ON miningcheck_cost_plans(project_key, starts_at);

CREATE TABLE IF NOT EXISTS miningcheck_measurements (
    id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
    project_key VARCHAR(64) NOT NULL,
    measured_at DATETIME NOT NULL,
    coins_total DECIMAL(20,6) NOT NULL,
    price_per_coin DECIMAL(20,8) NULL,
    price_currency VARCHAR(10) NULL,
    note TEXT NULL,
    source ENUM('manual', 'image_ocr', 'seed_import') NOT NULL,
    image_path VARCHAR(255) NULL,
    ocr_raw_text MEDIUMTEXT NULL,
    ocr_confidence DECIMAL(6,4) NULL,
    ocr_flags JSON NULL,
    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    CONSTRAINT fk_mining_measurements_project FOREIGN KEY (project_key) REFERENCES miningcheck_projects(project_key) ON DELETE CASCADE,
    CONSTRAINT uq_mining_measurements_unique UNIQUE (project_key, measured_at, coins_total)
);

CREATE INDEX idx_miningcheck_measurements_project_measured_at
    ON miningcheck_measurements(project_key, measured_at);

CREATE TABLE IF NOT EXISTS miningcheck_targets (
    id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
    project_key VARCHAR(64) NOT NULL,
    label VARCHAR(120) NOT NULL,
    target_amount_fiat DECIMAL(20,2) NOT NULL,
    currency VARCHAR(10) NOT NULL,
    miner_offer_id BIGINT UNSIGNED NULL,
    is_active TINYINT(1) NOT NULL DEFAULT 1,
    sort_order INT NOT NULL DEFAULT 0,
    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    CONSTRAINT fk_mining_targets_project FOREIGN KEY (project_key) REFERENCES miningcheck_projects(project_key) ON DELETE CASCADE,
    CONSTRAINT fk_mining_targets_offer FOREIGN KEY (miner_offer_id) REFERENCES miningcheck_miner_offers(id) ON DELETE SET NULL,
    CONSTRAINT uq_mining_targets_project_label UNIQUE (project_key, label)
);

CREATE TABLE IF NOT EXISTS miningcheck_dashboard_definitions (
    id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
    project_key VARCHAR(64) NOT NULL,
    name VARCHAR(160) NOT NULL,
    chart_type ENUM('line', 'bar', 'area', 'table') NOT NULL,
    x_field VARCHAR(64) NOT NULL,
    y_field VARCHAR(64) NOT NULL,
    aggregation VARCHAR(32) NOT NULL DEFAULT 'none',
    filters_json JSON NULL,
    is_active TINYINT(1) NOT NULL DEFAULT 1,
    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    CONSTRAINT fk_mining_dashboards_project FOREIGN KEY (project_key) REFERENCES miningcheck_projects(project_key) ON DELETE CASCADE,
    CONSTRAINT uq_mining_dashboards_project_name UNIQUE (project_key, name)
);