package migrate

import (
    "database/sql"
)

func Apply(db *sql.DB) error {
    stmts := []string{
        "CREATE TABLE IF NOT EXISTS export_templates (id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY, name VARCHAR(255) NOT NULL, datasource VARCHAR(32) NOT NULL, main_table VARCHAR(64) NOT NULL, joins_json JSON, fields_json JSON, filters_json JSON, file_format VARCHAR(16) NOT NULL, stats_enabled TINYINT(1) NOT NULL DEFAULT 0, sheet_split_by VARCHAR(64), visibility VARCHAR(16) NOT NULL DEFAULT 'private', owner_id BIGINT UNSIGNED NOT NULL, enabled TINYINT(1) NOT NULL DEFAULT 1, explain_json JSON, explain_score INT, last_validated_at DATETIME, created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP)",
        "CREATE TABLE IF NOT EXISTS export_jobs (id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY, template_id BIGINT UNSIGNED NOT NULL, status VARCHAR(16) NOT NULL, requested_by BIGINT UNSIGNED NOT NULL, permission_scope_json JSON, options_json JSON, row_estimate BIGINT, total_rows BIGINT, file_format VARCHAR(16) NOT NULL, started_at DATETIME, finished_at DATETIME, created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, INDEX idx_template_id (template_id), INDEX idx_status (status), INDEX idx_requested_by (requested_by))",
        "CREATE TABLE IF NOT EXISTS export_job_files (id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY, job_id BIGINT UNSIGNED NOT NULL, storage_uri VARCHAR(1024) NOT NULL, sheet_name VARCHAR(255), row_count BIGINT, size_bytes BIGINT, checksum VARCHAR(128), created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, INDEX idx_job_id (job_id))",
        "CREATE TABLE IF NOT EXISTS export_audits (id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY, actor_id BIGINT UNSIGNED NOT NULL, action VARCHAR(64) NOT NULL, entity_type VARCHAR(64) NOT NULL, entity_id BIGINT UNSIGNED NOT NULL, detail_json JSON, created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, INDEX idx_entity (entity_type, entity_id), INDEX idx_actor (actor_id))",
    }
    for _, s := range stmts {
        if _, err := db.Exec(s); err != nil {
            return err
        }
    }
    return nil
}