/* Replace with your SQL commands */
CREATE TABLE IF NOT EXISTS account_states (
    id INT AUTO_INCREMENT PRIMARY KEY,
    name VARCHAR(50) NOT NULL,
    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    UNIQUE KEY uq_account_states_name (name)
);

INSERT IGNORE INTO account_states (name)
VALUES ('guest'),
    ('applicant'),
    ('member'),
    ('retired'),
    ('discharged'),
    ('suspended'),
    ('banned'),
    ('denied');

ALTER TABLE members
    RENAME COLUMN state TO state_legacy;

ALTER TABLE members
ADD COLUMN state INT NOT NULL DEFAULT 1,
    ADD INDEX idx_members_state (state),
    ADD CONSTRAINT fk_members_state_id FOREIGN KEY (state) REFERENCES account_states(id);

CREATE TABLE IF NOT EXISTS member_state_history (
    id INT AUTO_INCREMENT PRIMARY KEY,
    member_id INT NOT NULL,
    state_id INT NOT NULL,
    reason VARCHAR(255),
    created_by_id INT,
    start_date DATE,
    end_date DATE,
    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    INDEX idx_member_state_history_member_id (member_id),
    CONSTRAINT fk_member_state_history_member FOREIGN KEY (member_id) REFERENCES members(id),
    CONSTRAINT fk_member_state_type FOREIGN KEY (state_id) REFERENCES account_states(id),
    CONSTRAINT fk_member_state_history_created_by FOREIGN KEY (created_by_id) REFERENCES members(id)
);

-- Convert member states to new system
UPDATE members m
    JOIN account_states s ON m.state_legacy = s.name
SET m.state = s.id;