// This is your Prisma schema file,
// learn more about it in the docs: https://pris.ly/d/prisma-schema

generator client {
    provider = "prisma-client-js"
}

// generator zod {
//     provider                  = "zod-prisma-types"
//     output                    = "../src/generated" // (default) the directory where generated zod schemas will be saved
//     createModelTypes          = true
//     createRelationValuesTypes = true
//     writeNullishInModelTypes  = true
//     createPartialTypes        = false
//     useMultipleFiles          = false
//     useTypeAssertions         = true
// }

datasource db {
    provider = "postgresql"
    url      = env("DATABASE_URL")
}

model Taxonomy {
    id         String    @id @default(uuid())
    name       String    @unique
    slug       String    @unique @map("slug")
    deletedAt  DateTime? @map("deleted_at")
    createdAt  DateTime  @default(now()) @map("created_at")
    terms      Term[]
    objectType String[]  @map("object_type")
    order      Float?    @map("order")

    @@index([order, deletedAt])
    @@map("taxonomy")
}

model Term {
    id          String         @id @default(uuid())
    name        String
    taxonomy    Taxonomy?      @relation(fields: [taxonomyId], references: [id])
    taxonomyId  String?        @map("taxonomy_id")
    order       Float?         @map("order")
    description String?
    parentId    String?        @map("parent_id")
    parent      Term?          @relation("ChildParent", fields: [parentId], references: [id], onDelete: Cascade)
    children    Term[]         @relation("ChildParent")
    ancestors   TermAncestry[] @relation("DescendantToAncestor")
    descendants TermAncestry[] @relation("AncestorToDescendant")
    domainId    String?        @map("domain_id")
    domain      Department?    @relation("TermDom", fields: [domainId], references: [id])
    createdAt   DateTime       @default(now()) @map("created_at")
    updatedAt   DateTime       @updatedAt @map("updated_at")
    deletedAt   DateTime?      @map("deleted_at")
    createdBy   String?        @map("created_by")
    depts       Department[]   @relation("department_term")
    hasChildren Boolean?       @default(false) @map("has_children")

    @@index([name]) // 对name字段建立索引，以加快基于name的查找速度
    @@index([parentId]) // 对parentId字段建立索引，以加快基于parentId的查找速度
    @@map("term")
}

model TermAncestry {
    id           String  @id @default(uuid())
    ancestorId   String? @map("ancestor_id")
    descendantId String  @map("descendant_id")
    relDepth     Int     @map("rel_depth")
    ancestor     Term?   @relation("AncestorToDescendant", fields: [ancestorId], references: [id])
    descendant   Term    @relation("DescendantToAncestor", fields: [descendantId], references: [id])

    // 索引建议
    @@index([ancestorId]) // 针对祖先的查询
    @@index([descendantId]) // 针对后代的查询
    @@index([ancestorId, descendantId]) // 组合索引，用于查询特定的祖先-后代关系
    @@index([relDepth]) // 根据关系深度的查询
    @@map("term_ancestry")
}

model Staff {
    id          String  @id @default(uuid())
    showname    String? @map("showname")
    username    String  @unique @map("username")
    avatar      String? @map("avatar")
    password    String? @map("password")
    phoneNumber String? @unique @map("phone_number")

    domainId String? @map("domain_id")
    deptId   String? @map("dept_id")

    domain        Department? @relation("DomainStaff", fields: [domainId], references: [id])
    department    Department? @relation("DeptStaff", fields: [deptId], references: [id])
    registerToken String?     @map("register_token")
    order         Float?

    createdAt DateTime  @default(now()) @map("created_at")
    updatedAt DateTime  @updatedAt @map("updated_at")
    enabled   Boolean?  @default(true)
    deletedAt DateTime? @map("deleted_at")
    officerId String?   @map("officer_id")


    watchedPost     Post[]    @relation("post_watch_staff")
    visits          Visit[]
    posts           Post[]
    sentMsgs        Message[] @relation("message_sender")
    receivedMsgs    Message[] @relation("message_receiver")



    @@index([officerId])
    @@index([deptId])
    @@index([domainId])
    @@index([username])
    @@index([order])
    @@map("staff")
}

model Department {
    id            String         @id @default(uuid())
    name          String
    order         Float?
    ancestors     DeptAncestry[] @relation("DescendantToAncestor")
    descendants   DeptAncestry[] @relation("AncestorToDescendant")
    parentId      String?        @map("parent_id")
    parent        Department?    @relation("ChildParent", fields: [parentId], references: [id])
    children      Department[]   @relation("ChildParent")
    domainId      String?        @map("domain_id")
    domainTerms   Term[]         @relation("TermDom")
    deletedAt     DateTime?      @map("deleted_at")
    isDomain      Boolean?       @default(false) @map("is_domain")
    domainStaffs  Staff[]        @relation("DomainStaff")
    deptStaffs    Staff[]        @relation("DeptStaff")
    terms         Term[]         @relation("department_term")

    visits        Visit[]        @relation("visit_dept")
    watchedPost   Post[]         @relation("post_watch_dept")
    hasChildren   Boolean?       @default(false) @map("has_children")

    @@index([parentId])
    @@index([isDomain])
    @@index([name])
    @@index([order])
    @@map("department")
}

model DeptAncestry {
    id           String      @id @default(uuid())
    ancestorId   String?     @map("ancestor_id")
    descendantId String      @map("descendant_id")
    relDepth     Int         @map("rel_depth")
    ancestor     Department? @relation("AncestorToDescendant", fields: [ancestorId], references: [id])
    descendant   Department  @relation("DescendantToAncestor", fields: [descendantId], references: [id])

    // 索引建议
    @@index([ancestorId]) // 针对祖先的查询
    @@index([descendantId]) // 针对后代的查询
    @@index([ancestorId, descendantId]) // 组合索引，用于查询特定的祖先-后代关系
    @@index([relDepth]) // 根据关系深度的查询
    @@map("dept_ancestry")
}

model RoleMap {
    id         String  @id @default(uuid())
    objectId   String  @map("object_id")
    roleId     String  @map("role_id")
    domainId   String? @map("domain_id")
    objectType String  @map("object_type")
    role       Role    @relation(fields: [roleId], references: [id])

    @@index([domainId])
    @@index([objectId])
    @@map("rolemap")
}

model Role {
    id          String    @id @default(uuid())
    name        String    @unique @map("name")
    permissions String[]  @default([]) @map("permissions")
    roleMaps    RoleMap[]
    system      Boolean?  @default(false) @map("system")
    createdAt   DateTime  @default(now()) @map("created_at")
    updatedAt   DateTime  @updatedAt @map("updated_at")
    deletedAt   DateTime? @map("deleted_at")

    @@map("role")
}

model AppConfig {
    id          String  @id @default(uuid())
    slug        String  @unique
    title       String?
    description String?
    meta        Json?

    @@map("app_config")
}

model Post {
    id          String       @id @default(uuid())
    type        String?
    title       String?
    content     String?
    author      Staff?       @relation(fields: [authorId], references: [id])
    authorId    String?
    domainId    String?
    referenceId String?
    attachments String[]     @default([])
    createdAt   DateTime     @default(now())
    updatedAt   DateTime     @updatedAt
    visits      Visit[]
    watchStaffs Staff[]      @relation("post_watch_staff")
    watchDepts  Department[] @relation("post_watch_dept")

    parentId  String?
    parent    Post?     @relation("PostChildren", fields: [parentId], references: [id])
    children  Post[]    @relation("PostChildren")
    deletedAt DateTime? @map("deleted_at")

    // 复合索引
    @@index([type, domainId]) // 类型和域组合查询
    @@index([authorId, type]) // 作者和类型组合查询
    @@index([referenceId, type]) // 引用ID和类型组合查询
    @@index([parentId, type]) // 父级帖子和创建时间索引
    // 时间相关索引
    @@index([createdAt]) // 按创建时间倒序索引
    @@index([updatedAt]) // 按更新时间倒序索引
}

model Message {
    id          String    @id @default(uuid())
    url         String?
    intent      String?
    option      Json?
    senderId    String?   @map("sender_id")
    messageType String?
    sender      Staff?    @relation(name: "message_sender", fields: [senderId], references: [id])
    title       String?
    content     String?
    receivers   Staff[]   @relation("message_receiver")
    visits      Visit[]
    createdAt   DateTime  @default(now()) @map("created_at")
    updatedAt   DateTime? @updatedAt @map("updated_at")

    @@index([messageType, createdAt])
    @@map("message")
}

model Visit {
    id        String    @id @default(uuid())
    postId    String?   @map("post_id")
    troubleId String?   @map("trouble_id")
    messageId String?   @map("message_id")
    visitorId String    @map("visitor_id")
    visitor   Staff     @relation(fields: [visitorId], references: [id])
    deptId         String?      @map("dept_id")
    department     Department?  @relation(name: "visit_dept", fields: [deptId], references: [id])
    createdAt DateTime? @default(now()) @map("created_at")
    updatedAt DateTime? @updatedAt @map("updated_at")
    sourceIP  String?   @map("source_ip")
    visitType String?   @map("visit_type")
    post      Post?     @relation(fields: [postId], references: [id])
    message   Message?  @relation(fields: [messageId], references: [id])
    views     Int       @default(1)

    @@index([postId, visitType, visitorId])
    @@index([troubleId, visitType, visitorId])
    @@index([messageId, visitType, visitorId])
    @@map("visit")
}