-- CMS schema export for phpMyAdmin import
-- Generated to match the PHP migrations

SET NAMES utf8mb4;
SET time_zone = '+00:00';

SET foreign_key_checks = 0;
SET sql_notes = 0;

DROP TABLE IF EXISTS attachments;
DROP TABLE IF EXISTS comments;
DROP TABLE IF EXISTS issue_labels;
DROP TABLE IF EXISTS labels;
DROP TABLE IF EXISTS issues;
DROP TABLE IF EXISTS subscriptions;
DROP TABLE IF EXISTS activity;
DROP TABLE IF EXISTS audit;
DROP TABLE IF EXISTS projects;
DROP TABLE IF EXISTS settings;
DROP TABLE IF EXISTS users;
DROP TABLE IF EXISTS customers;

SET foreign_key_checks = 1;
SET sql_notes = 1;

CREATE TABLE customers (
    id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    name VARCHAR(255) NOT NULL,
    orgno VARCHAR(100) NOT NULL,
    billing_email VARCHAR(255) NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE users (
    id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    role ENUM('sysadmin','developer','customer') NOT NULL,
    name VARCHAR(255) NOT NULL,
    email VARCHAR(255) NOT NULL UNIQUE,
    pass_hash VARCHAR(255) NOT NULL,
    phone VARCHAR(50) NULL,
    address VARCHAR(255) NULL,
    customer_id INT UNSIGNED NULL,
    is_active TINYINT(1) NOT NULL DEFAULT 1,
    twofa_secret VARCHAR(255) NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    CONSTRAINT fk_users_customer FOREIGN KEY (customer_id) REFERENCES customers(id) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE projects (
    id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    customer_id INT UNSIGNED NOT NULL,
    name VARCHAR(255) NOT NULL,
    description TEXT NULL,
    status ENUM('active','archived') NOT NULL DEFAULT 'active',
    created_by INT UNSIGNED NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    CONSTRAINT fk_projects_customer FOREIGN KEY (customer_id) REFERENCES customers(id) ON DELETE CASCADE,
    CONSTRAINT fk_projects_creator FOREIGN KEY (created_by) REFERENCES users(id) ON DELETE CASCADE,
    INDEX idx_projects_customer_status (customer_id, status)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE labels (
    id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    project_id INT UNSIGNED NOT NULL,
    name VARCHAR(100) NOT NULL,
    color VARCHAR(7) NOT NULL,
    CONSTRAINT fk_labels_project FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE issues (
    id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    project_id INT UNSIGNED NOT NULL,
    type ENUM('bug','feature','task') NOT NULL,
    priority ENUM('low','medium','high','urgent') NOT NULL DEFAULT 'medium',
    status ENUM('new','in_progress','in_review','resolved','closed') NOT NULL DEFAULT 'new',
    assignee_id INT UNSIGNED NULL,
    title VARCHAR(255) NOT NULL,
    description TEXT NOT NULL,
    environment VARCHAR(50) NULL,
    version VARCHAR(100) NULL,
    steps_to_reproduce TEXT NULL,
    created_by INT UNSIGNED NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    CONSTRAINT fk_issues_project FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE,
    CONSTRAINT fk_issues_assignee FOREIGN KEY (assignee_id) REFERENCES users(id) ON DELETE SET NULL,
    CONSTRAINT fk_issues_creator FOREIGN KEY (created_by) REFERENCES users(id) ON DELETE CASCADE,
    INDEX idx_issues_project_status (project_id, status),
    INDEX idx_issues_priority (priority),
    INDEX idx_issues_assignee (assignee_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE issue_labels (
    issue_id INT UNSIGNED NOT NULL,
    label_id INT UNSIGNED NOT NULL,
    PRIMARY KEY (issue_id, label_id),
    CONSTRAINT fk_issue_labels_issue FOREIGN KEY (issue_id) REFERENCES issues(id) ON DELETE CASCADE,
    CONSTRAINT fk_issue_labels_label FOREIGN KEY (label_id) REFERENCES labels(id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE comments (
    id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    issue_id INT UNSIGNED NOT NULL,
    user_id INT UNSIGNED NOT NULL,
    body TEXT NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    CONSTRAINT fk_comments_issue FOREIGN KEY (issue_id) REFERENCES issues(id) ON DELETE CASCADE,
    CONSTRAINT fk_comments_user FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
    INDEX idx_comments_issue_created (issue_id, created_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE attachments (
    id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    comment_id INT UNSIGNED NOT NULL,
    filename VARCHAR(255) NOT NULL,
    path VARCHAR(255) NOT NULL,
    size INT UNSIGNED NOT NULL,
    mime VARCHAR(255) NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    CONSTRAINT fk_attachments_comment FOREIGN KEY (comment_id) REFERENCES comments(id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE subscriptions (
    id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    user_id INT UNSIGNED NOT NULL,
    project_id INT UNSIGNED NULL,
    issue_id INT UNSIGNED NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    CONSTRAINT fk_subscriptions_user FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
    CONSTRAINT fk_subscriptions_project FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE,
    CONSTRAINT fk_subscriptions_issue FOREIGN KEY (issue_id) REFERENCES issues(id) ON DELETE CASCADE,
    INDEX idx_subscriptions_user (user_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE activity (
    id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    entity_type VARCHAR(50) NOT NULL,
    entity_id INT UNSIGNED NOT NULL,
    user_id INT UNSIGNED NOT NULL,
    action VARCHAR(100) NOT NULL,
    meta_json JSON NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    CONSTRAINT fk_activity_user FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
    INDEX idx_activity_entity (entity_type, entity_id),
    INDEX idx_activity_user (user_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE audit (
    id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
    user_id INT UNSIGNED NULL,
    entity VARCHAR(100) NOT NULL,
    entity_id INT UNSIGNED NULL,
    action VARCHAR(100) NOT NULL,
    meta_json JSON NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    CONSTRAINT fk_audit_user FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE SET NULL,
    INDEX idx_audit_entity (entity, entity_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

CREATE TABLE settings (
    `key` VARCHAR(100) PRIMARY KEY,
    `value` TEXT NULL,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;