SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;

-- categories : 6 catégories thématiques de la maquette
DROP TABLE IF EXISTS categories;
CREATE TABLE categories (
    id              BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
    slug            VARCHAR(64)     NOT NULL,
    name            VARCHAR(128)    NOT NULL,
    description     TEXT            NULL,
    color_hex       CHAR(7)         NOT NULL DEFAULT '#888888',
    icon            VARCHAR(32)     NULL,
    dimension       ENUM('social', 'ecologique', 'transversal') NOT NULL DEFAULT 'transversal',
    sort_order      INT UNSIGNED    NOT NULL DEFAULT 0,
    created_at      DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at      DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    PRIMARY KEY (id),
    UNIQUE KEY uk_categories_slug (slug)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- members : annuaire des contributeurs (pas une table d'auth)
DROP TABLE IF EXISTS members;
CREATE TABLE members (
    id              BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
    slug            VARCHAR(96)     NOT NULL,
    display_name    VARCHAR(128)    NOT NULL,
    initials        VARCHAR(8)      NULL,
    kind            ENUM('person', 'collective', 'org') NOT NULL DEFAULT 'person',
    bio             TEXT            NULL,
    avatar_url      VARCHAR(512)    NULL,
    website_url     VARCHAR(512)    NULL,
    contact_email   VARCHAR(255)    NULL,
    created_at      DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at      DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    PRIMARY KEY (id),
    UNIQUE KEY uk_members_slug (slug)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- projects : entité centrale
DROP TABLE IF EXISTS projects;
CREATE TABLE projects (
    id                  BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
    slug                VARCHAR(160)    NOT NULL,
    title               VARCHAR(200)    NOT NULL,
    category_id         BIGINT UNSIGNED NOT NULL,
    status              ENUM('active', 'completed', 'archived') NOT NULL DEFAULT 'active',
    territory           VARCHAR(160)    NOT NULL DEFAULT 'Marseille',
    short_description   TEXT            NULL,
    context_description LONGTEXT        NULL,
    objectives          LONGTEXT        NULL,
    cover_image_url     VARCHAR(512)    NULL,
    external_url        VARCHAR(512)    NULL,
    progress_percent    TINYINT UNSIGNED NOT NULL DEFAULT 0,
    started_at          DATE            NULL,
    completed_at        DATE            NULL,
    created_at          DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at          DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    deleted_at          DATETIME        NULL,
    PRIMARY KEY (id),
    UNIQUE KEY uk_projects_slug (slug),
    KEY idx_projects_category (category_id),
    KEY idx_projects_status (status),
    KEY idx_projects_deleted (deleted_at),
    CONSTRAINT fk_projects_category FOREIGN KEY (category_id) REFERENCES categories(id) ON DELETE RESTRICT,
    CONSTRAINT chk_projects_progress CHECK (progress_percent BETWEEN 0 AND 100)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- project_members : pivot N..N projet/contributeur avec rôle
DROP TABLE IF EXISTS project_members;
CREATE TABLE project_members (
    project_id      BIGINT UNSIGNED NOT NULL,
    member_id       BIGINT UNSIGNED NOT NULL,
    role            ENUM('admin', 'contributor', 'observer') NOT NULL DEFAULT 'contributor',
    joined_at       DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY (project_id, member_id),
    KEY idx_pm_member (member_id),
    CONSTRAINT fk_pm_project FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE,
    CONSTRAINT fk_pm_member  FOREIGN KEY (member_id)  REFERENCES members(id)  ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- roadmap_steps : feuille de route
DROP TABLE IF EXISTS roadmap_steps;
CREATE TABLE roadmap_steps (
    id              BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
    project_id      BIGINT UNSIGNED NOT NULL,
    title           VARCHAR(200)    NOT NULL,
    description     TEXT            NULL,
    step_date       DATE            NULL,
    is_done         BOOLEAN         NOT NULL DEFAULT FALSE,
    sort_order      INT UNSIGNED    NOT NULL DEFAULT 0,
    created_at      DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at      DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    PRIMARY KEY (id),
    KEY idx_roadmap_project (project_id, sort_order),
    CONSTRAINT fk_roadmap_project FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- discussions : onglet Discussions, arborescent (parent_id pour les réponses)
DROP TABLE IF EXISTS discussions;
CREATE TABLE discussions (
    id              BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
    project_id      BIGINT UNSIGNED NOT NULL,
    parent_id       BIGINT UNSIGNED NULL,
    author_name     VARCHAR(128)    NOT NULL,
    author_member_id BIGINT UNSIGNED NULL,
    body            LONGTEXT        NOT NULL,
    created_at      DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at      DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    PRIMARY KEY (id),
    KEY idx_disc_project (project_id, created_at),
    KEY idx_disc_parent (parent_id),
    CONSTRAINT fk_disc_project FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE,
    CONSTRAINT fk_disc_parent  FOREIGN KEY (parent_id)  REFERENCES discussions(id) ON DELETE CASCADE,
    CONSTRAINT fk_disc_member  FOREIGN KEY (author_member_id) REFERENCES members(id) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- resources : onglet Ressources (liens, docs, datasets)
DROP TABLE IF EXISTS resources;
CREATE TABLE resources (
    id              BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
    project_id      BIGINT UNSIGNED NOT NULL,
    title           VARCHAR(200)    NOT NULL,
    description     TEXT            NULL,
    url             VARCHAR(1024)   NOT NULL,
    kind            ENUM('link', 'document', 'dataset', 'video', 'other') NOT NULL DEFAULT 'link',
    sort_order      INT UNSIGNED    NOT NULL DEFAULT 0,
    created_at      DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at      DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    PRIMARY KEY (id),
    KEY idx_res_project (project_id, sort_order),
    CONSTRAINT fk_res_project FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- activity_log : flux du dashboard ("Vous a rejoint le projet X")
DROP TABLE IF EXISTS activity_log;
CREATE TABLE activity_log (
    id              BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
    project_id      BIGINT UNSIGNED NULL,
    member_id       BIGINT UNSIGNED NULL,
    actor_label     VARCHAR(128)    NOT NULL DEFAULT 'Vous',
    verb            ENUM('joined', 'left', 'created_project', 'updated_project',
                         'completed_step', 'added_step', 'posted_discussion',
                         'added_resource', 'completed_project') NOT NULL,
    summary         VARCHAR(255)    NOT NULL,
    occurred_at     DATETIME        NOT NULL DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY (id),
    KEY idx_act_project (project_id, occurred_at),
    KEY idx_act_occurred (occurred_at),
    CONSTRAINT fk_act_project FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE,
    CONSTRAINT fk_act_member  FOREIGN KEY (member_id)  REFERENCES members(id)  ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

SET FOREIGN_KEY_CHECKS = 1;