using System;
using Microsoft.EntityFrameworkCore.Migrations;
using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;

#nullable disable

namespace UniVerse.Infrastructure.Data.Migrations
{
    /// <inheritdoc />
    public partial class Initial : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.AlterDatabase()
                .Annotation("Npgsql:Enum:coin_transaction_type.coin_transaction_type", "review_reward,achievement_reward,attendance_reward,admin_adjustment")
                .Annotation("Npgsql:Enum:review_llm_status.review_llm_status", "pending,analyzed,rejected")
                .Annotation("Npgsql:Enum:review_sentiment.review_sentiment", "positive,neutral,negative")
                .Annotation("Npgsql:Enum:tag_type.tag_type", "institute,faculty,subject,organization,topic,other")
                .Annotation("Npgsql:Enum:user_role.user_role", "student,teacher,admin");

            migrationBuilder.CreateTable(
                name: "achievements",
                columns: table => new
                {
                    id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    name = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: false),
                    description = table.Column<string>(type: "text", nullable: true),
                    icon_url = table.Column<string>(type: "character varying(500)", maxLength: 500, nullable: true),
                    xp_reward = table.Column<int>(type: "integer", nullable: false, defaultValue: 0),
                    coin_reward = table.Column<int>(type: "integer", nullable: false, defaultValue: 0),
                    condition = table.Column<string>(type: "text", nullable: true),
                    created_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "NOW()")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_achievements", x => x.id);
                });

            migrationBuilder.CreateTable(
                name: "courses",
                columns: table => new
                {
                    id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    name = table.Column<string>(type: "character varying(500)", maxLength: 500, nullable: false),
                    description = table.Column<string>(type: "text", nullable: true),
                    external_id = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: true),
                    is_synced = table.Column<bool>(type: "boolean", nullable: false, defaultValue: false),
                    created_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "NOW()"),
                    updated_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "NOW()")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_courses", x => x.id);
                });

            migrationBuilder.CreateTable(
                name: "locations",
                columns: table => new
                {
                    id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    name = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: false),
                    building = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: true),
                    room = table.Column<string>(type: "character varying(100)", maxLength: 100, nullable: true),
                    address = table.Column<string>(type: "character varying(500)", maxLength: 500, nullable: true),
                    external_id = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: true),
                    created_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "NOW()")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_locations", x => x.id);
                });

            migrationBuilder.CreateTable(
                name: "tags",
                columns: table => new
                {
                    id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    name = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: false),
                    type = table.Column<int>(type: "integer", nullable: false),
                    parent_id = table.Column<int>(type: "integer", nullable: true),
                    created_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "NOW()")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_tags", x => x.id);
                    table.ForeignKey(
                        name: "FK_tags_tags_parent_id",
                        column: x => x.parent_id,
                        principalTable: "tags",
                        principalColumn: "id",
                        onDelete: ReferentialAction.SetNull);
                });

            migrationBuilder.CreateTable(
                name: "users",
                columns: table => new
                {
                    id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    email = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: false),
                    display_name = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: true),
                    avatar_url = table.Column<string>(type: "character varying(500)", maxLength: 500, nullable: true),
                    role = table.Column<int>(type: "integer", nullable: false),
                    is_active = table.Column<bool>(type: "boolean", nullable: false, defaultValue: true),
                    microsoft_id = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: true),
                    xp = table.Column<int>(type: "integer", nullable: false, defaultValue: 0),
                    coins = table.Column<int>(type: "integer", nullable: false, defaultValue: 0),
                    created_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "NOW()"),
                    updated_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "NOW()")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_users", x => x.id);
                });

            migrationBuilder.CreateTable(
                name: "course_tags",
                columns: table => new
                {
                    course_id = table.Column<int>(type: "integer", nullable: false),
                    tag_id = table.Column<int>(type: "integer", nullable: false),
                    id = table.Column<int>(type: "integer", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_course_tags", x => new { x.course_id, x.tag_id });
                    table.ForeignKey(
                        name: "FK_course_tags_courses_course_id",
                        column: x => x.course_id,
                        principalTable: "courses",
                        principalColumn: "id",
                        onDelete: ReferentialAction.Cascade);
                    table.ForeignKey(
                        name: "FK_course_tags_tags_tag_id",
                        column: x => x.tag_id,
                        principalTable: "tags",
                        principalColumn: "id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateTable(
                name: "lectures",
                columns: table => new
                {
                    id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    course_id = table.Column<int>(type: "integer", nullable: false),
                    teacher_id = table.Column<int>(type: "integer", nullable: true),
                    location_id = table.Column<int>(type: "integer", nullable: true),
                    title = table.Column<string>(type: "character varying(500)", maxLength: 500, nullable: false),
                    description = table.Column<string>(type: "text", nullable: true),
                    format = table.Column<int>(type: "integer", nullable: false),
                    starts_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
                    ends_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
                    is_open = table.Column<bool>(type: "boolean", nullable: false, defaultValue: true),
                    max_enrollments = table.Column<int>(type: "integer", nullable: false, defaultValue: 0),
                    external_id = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: true),
                    online_url = table.Column<string>(type: "character varying(500)", maxLength: 500, nullable: true),
                    created_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "NOW()"),
                    updated_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "NOW()")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_lectures", x => x.id);
                    table.ForeignKey(
                        name: "FK_lectures_courses_course_id",
                        column: x => x.course_id,
                        principalTable: "courses",
                        principalColumn: "id",
                        onDelete: ReferentialAction.Cascade);
                    table.ForeignKey(
                        name: "FK_lectures_locations_location_id",
                        column: x => x.location_id,
                        principalTable: "locations",
                        principalColumn: "id",
                        onDelete: ReferentialAction.SetNull);
                    table.ForeignKey(
                        name: "FK_lectures_users_teacher_id",
                        column: x => x.teacher_id,
                        principalTable: "users",
                        principalColumn: "id",
                        onDelete: ReferentialAction.SetNull);
                });

            migrationBuilder.CreateTable(
                name: "refresh_tokens",
                columns: table => new
                {
                    id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    user_id = table.Column<int>(type: "integer", nullable: false),
                    token = table.Column<string>(type: "character varying(500)", maxLength: 500, nullable: false),
                    expires_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
                    created_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "NOW()"),
                    revoked_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: true)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_refresh_tokens", x => x.id);
                    table.ForeignKey(
                        name: "FK_refresh_tokens_users_user_id",
                        column: x => x.user_id,
                        principalTable: "users",
                        principalColumn: "id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateTable(
                name: "student_profiles",
                columns: table => new
                {
                    id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    user_id = table.Column<int>(type: "integer", nullable: false),
                    student_id = table.Column<string>(type: "character varying(50)", maxLength: 50, nullable: true),
                    group_name = table.Column<string>(type: "character varying(100)", maxLength: 100, nullable: true),
                    enrollment_year = table.Column<int>(type: "integer", nullable: true),
                    faculty = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: true),
                    specialty = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: true)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_student_profiles", x => x.id);
                    table.ForeignKey(
                        name: "FK_student_profiles_users_user_id",
                        column: x => x.user_id,
                        principalTable: "users",
                        principalColumn: "id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateTable(
                name: "teacher_profiles",
                columns: table => new
                {
                    id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    user_id = table.Column<int>(type: "integer", nullable: false),
                    department = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: true),
                    title = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: true),
                    bio = table.Column<string>(type: "text", nullable: true),
                    modeus_id = table.Column<string>(type: "character varying(255)", maxLength: 255, nullable: true)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_teacher_profiles", x => x.id);
                    table.ForeignKey(
                        name: "FK_teacher_profiles_users_user_id",
                        column: x => x.user_id,
                        principalTable: "users",
                        principalColumn: "id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateTable(
                name: "user_achievements",
                columns: table => new
                {
                    user_id = table.Column<int>(type: "integer", nullable: false),
                    achievement_id = table.Column<int>(type: "integer", nullable: false),
                    id = table.Column<int>(type: "integer", nullable: false),
                    awarded_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "NOW()")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_user_achievements", x => new { x.user_id, x.achievement_id });
                    table.ForeignKey(
                        name: "FK_user_achievements_achievements_achievement_id",
                        column: x => x.achievement_id,
                        principalTable: "achievements",
                        principalColumn: "id",
                        onDelete: ReferentialAction.Cascade);
                    table.ForeignKey(
                        name: "FK_user_achievements_users_user_id",
                        column: x => x.user_id,
                        principalTable: "users",
                        principalColumn: "id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateTable(
                name: "lecture_enrollments",
                columns: table => new
                {
                    lecture_id = table.Column<int>(type: "integer", nullable: false),
                    user_id = table.Column<int>(type: "integer", nullable: false),
                    id = table.Column<int>(type: "integer", nullable: false),
                    attended = table.Column<bool>(type: "boolean", nullable: false, defaultValue: false),
                    created_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "NOW()")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_lecture_enrollments", x => new { x.lecture_id, x.user_id });
                    table.ForeignKey(
                        name: "FK_lecture_enrollments_lectures_lecture_id",
                        column: x => x.lecture_id,
                        principalTable: "lectures",
                        principalColumn: "id",
                        onDelete: ReferentialAction.Cascade);
                    table.ForeignKey(
                        name: "FK_lecture_enrollments_users_user_id",
                        column: x => x.user_id,
                        principalTable: "users",
                        principalColumn: "id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateTable(
                name: "reviews",
                columns: table => new
                {
                    id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    lecture_id = table.Column<int>(type: "integer", nullable: false),
                    user_id = table.Column<int>(type: "integer", nullable: false),
                    rating = table.Column<int>(type: "integer", nullable: false),
                    text = table.Column<string>(type: "text", nullable: true),
                    llm_status = table.Column<int>(type: "integer", nullable: false, defaultValue: 0),
                    sentiment = table.Column<int>(type: "integer", nullable: true),
                    quality_score = table.Column<double>(type: "double precision", nullable: true),
                    is_informative = table.Column<bool>(type: "boolean", nullable: true),
                    llm_tags = table.Column<string[]>(type: "text[]", nullable: true),
                    created_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "NOW()"),
                    updated_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "NOW()")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_reviews", x => x.id);
                    table.ForeignKey(
                        name: "FK_reviews_lectures_lecture_id",
                        column: x => x.lecture_id,
                        principalTable: "lectures",
                        principalColumn: "id",
                        onDelete: ReferentialAction.Cascade);
                    table.ForeignKey(
                        name: "FK_reviews_users_user_id",
                        column: x => x.user_id,
                        principalTable: "users",
                        principalColumn: "id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateTable(
                name: "coin_transactions",
                columns: table => new
                {
                    id = table.Column<int>(type: "integer", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    user_id = table.Column<int>(type: "integer", nullable: false),
                    amount = table.Column<int>(type: "integer", nullable: false),
                    type = table.Column<int>(type: "integer", nullable: false),
                    review_id = table.Column<int>(type: "integer", nullable: true),
                    achievement_id = table.Column<int>(type: "integer", nullable: true),
                    description = table.Column<string>(type: "character varying(500)", maxLength: 500, nullable: true),
                    created_at = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "NOW()")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_coin_transactions", x => x.id);
                    table.ForeignKey(
                        name: "FK_coin_transactions_achievements_achievement_id",
                        column: x => x.achievement_id,
                        principalTable: "achievements",
                        principalColumn: "id",
                        onDelete: ReferentialAction.SetNull);
                    table.ForeignKey(
                        name: "FK_coin_transactions_reviews_review_id",
                        column: x => x.review_id,
                        principalTable: "reviews",
                        principalColumn: "id",
                        onDelete: ReferentialAction.SetNull);
                    table.ForeignKey(
                        name: "FK_coin_transactions_users_user_id",
                        column: x => x.user_id,
                        principalTable: "users",
                        principalColumn: "id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateIndex(
                name: "IX_coin_transactions_achievement_id",
                table: "coin_transactions",
                column: "achievement_id");

            migrationBuilder.CreateIndex(
                name: "IX_coin_transactions_review_id",
                table: "coin_transactions",
                column: "review_id");

            migrationBuilder.CreateIndex(
                name: "IX_coin_transactions_user_id",
                table: "coin_transactions",
                column: "user_id");

            migrationBuilder.CreateIndex(
                name: "IX_course_tags_course_id_tag_id",
                table: "course_tags",
                columns: new[] { "course_id", "tag_id" },
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_course_tags_tag_id",
                table: "course_tags",
                column: "tag_id");

            migrationBuilder.CreateIndex(
                name: "IX_courses_external_id",
                table: "courses",
                column: "external_id",
                unique: true,
                filter: "external_id IS NOT NULL");

            migrationBuilder.CreateIndex(
                name: "IX_lecture_enrollments_lecture_id_user_id",
                table: "lecture_enrollments",
                columns: new[] { "lecture_id", "user_id" },
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_lecture_enrollments_user_id",
                table: "lecture_enrollments",
                column: "user_id");

            migrationBuilder.CreateIndex(
                name: "IX_lectures_course_id",
                table: "lectures",
                column: "course_id");

            migrationBuilder.CreateIndex(
                name: "IX_lectures_external_id",
                table: "lectures",
                column: "external_id",
                unique: true,
                filter: "external_id IS NOT NULL");

            migrationBuilder.CreateIndex(
                name: "IX_lectures_location_id",
                table: "lectures",
                column: "location_id");

            migrationBuilder.CreateIndex(
                name: "IX_lectures_starts_at",
                table: "lectures",
                column: "starts_at");

            migrationBuilder.CreateIndex(
                name: "IX_lectures_teacher_id",
                table: "lectures",
                column: "teacher_id");

            migrationBuilder.CreateIndex(
                name: "IX_locations_external_id",
                table: "locations",
                column: "external_id",
                unique: true,
                filter: "external_id IS NOT NULL");

            migrationBuilder.CreateIndex(
                name: "IX_refresh_tokens_token",
                table: "refresh_tokens",
                column: "token",
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_refresh_tokens_user_id",
                table: "refresh_tokens",
                column: "user_id");

            migrationBuilder.CreateIndex(
                name: "IX_reviews_lecture_id_user_id",
                table: "reviews",
                columns: new[] { "lecture_id", "user_id" },
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_reviews_llm_status",
                table: "reviews",
                column: "llm_status");

            migrationBuilder.CreateIndex(
                name: "IX_reviews_user_id",
                table: "reviews",
                column: "user_id");

            migrationBuilder.CreateIndex(
                name: "IX_student_profiles_user_id",
                table: "student_profiles",
                column: "user_id",
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_tags_parent_id",
                table: "tags",
                column: "parent_id");

            migrationBuilder.CreateIndex(
                name: "IX_teacher_profiles_user_id",
                table: "teacher_profiles",
                column: "user_id",
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_user_achievements_achievement_id",
                table: "user_achievements",
                column: "achievement_id");

            migrationBuilder.CreateIndex(
                name: "IX_user_achievements_user_id_achievement_id",
                table: "user_achievements",
                columns: new[] { "user_id", "achievement_id" },
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_users_email",
                table: "users",
                column: "email",
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_users_microsoft_id",
                table: "users",
                column: "microsoft_id",
                unique: true,
                filter: "microsoft_id IS NOT NULL");
        }

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropTable(
                name: "coin_transactions");

            migrationBuilder.DropTable(
                name: "course_tags");

            migrationBuilder.DropTable(
                name: "lecture_enrollments");

            migrationBuilder.DropTable(
                name: "refresh_tokens");

            migrationBuilder.DropTable(
                name: "student_profiles");

            migrationBuilder.DropTable(
                name: "teacher_profiles");

            migrationBuilder.DropTable(
                name: "user_achievements");

            migrationBuilder.DropTable(
                name: "reviews");

            migrationBuilder.DropTable(
                name: "tags");

            migrationBuilder.DropTable(
                name: "achievements");

            migrationBuilder.DropTable(
                name: "lectures");

            migrationBuilder.DropTable(
                name: "courses");

            migrationBuilder.DropTable(
                name: "locations");

            migrationBuilder.DropTable(
                name: "users");
        }
    }
}