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

#nullable disable

namespace PostFundManagement.Infrastructure.Database.Migrations
{
    /// <inheritdoc />
    public partial class AddedTenant : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.AddColumn<long>(
                name: "TenantId",
                table: "Projects",
                type: "bigint",
                nullable: false,
                defaultValue: 0L);

            migrationBuilder.AddColumn<long>(
                name: "TenantId",
                table: "Programmes",
                type: "bigint",
                nullable: false,
                defaultValue: 0L);

            migrationBuilder.AddColumn<long>(
                name: "TenantId",
                table: "Portfolios",
                type: "bigint",
                nullable: false,
                defaultValue: 0L);

            migrationBuilder.AddColumn<long>(
                name: "TenantId",
                table: "Notifications",
                type: "bigint",
                nullable: false,
                defaultValue: 0L);

            migrationBuilder.AddColumn<long>(
                name: "TenantId",
                table: "Awards",
                type: "bigint",
                nullable: false,
                defaultValue: 0L);

            migrationBuilder.CreateTable(
                name: "Tenants",
                columns: table => new
                {
                    Id = table.Column<long>(type: "bigint", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now()"),
                    CreatedBy = table.Column<Guid>(type: "uuid", nullable: false),
                    UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true),
                    UpdatedBy = table.Column<Guid>(type: "uuid", nullable: true),
                    Name = table.Column<string>(type: "character varying(256)", maxLength: 256, nullable: false),
                    Status = table.Column<int>(type: "integer", nullable: false, defaultValueSql: "1")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Tenants", x => x.Id);
                    table.ForeignKey(
                        name: "FK_Tenants_Users_CreatedBy",
                        column: x => x.CreatedBy,
                        principalTable: "Users",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                    table.ForeignKey(
                        name: "FK_Tenants_Users_UpdatedBy",
                        column: x => x.UpdatedBy,
                        principalTable: "Users",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                });

            migrationBuilder.CreateTable(
                name: "TenantOrganisations",
                columns: table => new
                {
                    Id = table.Column<long>(type: "bigint", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now()"),
                    CreatedBy = table.Column<Guid>(type: "uuid", nullable: false),
                    TenantId = table.Column<long>(type: "bigint", nullable: false),
                    OrganisationId = table.Column<long>(type: "bigint", nullable: false),
                    Status = table.Column<int>(type: "integer", nullable: false, defaultValueSql: "1")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_TenantOrganisations", x => x.Id);
                    table.ForeignKey(
                        name: "FK_TenantOrganisations_Organisations_OrganisationId",
                        column: x => x.OrganisationId,
                        principalTable: "Organisations",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                    table.ForeignKey(
                        name: "FK_TenantOrganisations_Tenants_TenantId",
                        column: x => x.TenantId,
                        principalTable: "Tenants",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                    table.ForeignKey(
                        name: "FK_TenantOrganisations_Users_CreatedBy",
                        column: x => x.CreatedBy,
                        principalTable: "Users",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                });

            migrationBuilder.CreateTable(
                name: "TenantUsers",
                columns: table => new
                {
                    Id = table.Column<long>(type: "bigint", nullable: false)
                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
                    CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, defaultValueSql: "now()"),
                    CreatedBy = table.Column<Guid>(type: "uuid", nullable: false),
                    TenantId = table.Column<long>(type: "bigint", nullable: false),
                    UserId = table.Column<Guid>(type: "uuid", nullable: false),
                    Status = table.Column<int>(type: "integer", nullable: false, defaultValueSql: "1")
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_TenantUsers", x => x.Id);
                    table.ForeignKey(
                        name: "FK_TenantUsers_Tenants_TenantId",
                        column: x => x.TenantId,
                        principalTable: "Tenants",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                    table.ForeignKey(
                        name: "FK_TenantUsers_Users_CreatedBy",
                        column: x => x.CreatedBy,
                        principalTable: "Users",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                    table.ForeignKey(
                        name: "FK_TenantUsers_Users_UserId",
                        column: x => x.UserId,
                        principalTable: "Users",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                });

            migrationBuilder.CreateIndex(
                name: "IX_Projects_TenantId",
                table: "Projects",
                column: "TenantId");

            migrationBuilder.CreateIndex(
                name: "IX_Programmes_TenantId",
                table: "Programmes",
                column: "TenantId");

            migrationBuilder.CreateIndex(
                name: "IX_Portfolios_TenantId",
                table: "Portfolios",
                column: "TenantId");

            migrationBuilder.CreateIndex(
                name: "IX_Notifications_TenantId",
                table: "Notifications",
                column: "TenantId");

            migrationBuilder.CreateIndex(
                name: "IX_Awards_TenantId",
                table: "Awards",
                column: "TenantId");

            migrationBuilder.CreateIndex(
                name: "IX_TenantOrganisations_CreatedBy",
                table: "TenantOrganisations",
                column: "CreatedBy");

            migrationBuilder.CreateIndex(
                name: "IX_TenantOrganisations_OrganisationId",
                table: "TenantOrganisations",
                column: "OrganisationId");

            migrationBuilder.CreateIndex(
                name: "IX_TenantOrganisations_TenantId",
                table: "TenantOrganisations",
                column: "TenantId");

            migrationBuilder.CreateIndex(
                name: "IX_Tenants_CreatedBy",
                table: "Tenants",
                column: "CreatedBy");

            migrationBuilder.CreateIndex(
                name: "IX_Tenants_UpdatedBy",
                table: "Tenants",
                column: "UpdatedBy");

            migrationBuilder.CreateIndex(
                name: "IX_TenantUsers_CreatedBy",
                table: "TenantUsers",
                column: "CreatedBy");

            migrationBuilder.CreateIndex(
                name: "IX_TenantUsers_TenantId",
                table: "TenantUsers",
                column: "TenantId");

            migrationBuilder.CreateIndex(
                name: "IX_TenantUsers_UserId",
                table: "TenantUsers",
                column: "UserId");

            migrationBuilder.Sql(@"
                DO $$
                BEGIN
                    IF EXISTS (SELECT 1 FROM ""Users"" WHERE ""Id"" = '18caeb45-65f6-4103-9bda-ddf073a24de2'::uuid) THEN
                        INSERT INTO ""Tenants"" (""Id"", ""Name"", ""Status"", ""CreatedBy"", ""CreatedAt"")
                        OVERRIDING SYSTEM VALUE
                        VALUES (1, 'Default Tenant', 1, '18caeb45-65f6-4103-9bda-ddf073a24de2'::uuid, NOW())
                        ON CONFLICT (""Id"") DO NOTHING;
                    ELSE
                        RAISE EXCEPTION 'Target user 18caeb45-65f6-4103-9bda-ddf073a24de2 does not exist in Users table.';
                    END IF;
                END $$;
            ");

            migrationBuilder.Sql(@"SELECT setval(pg_get_serial_sequence('""Tenants""', 'Id'), GREATEST(coalesce(max(""Id""), 1), 1)) FROM ""Tenants"";");

            migrationBuilder.Sql("UPDATE \"Notifications\" SET \"TenantId\" = 1 WHERE \"TenantId\" = 0;");
            migrationBuilder.Sql("UPDATE \"Awards\" SET \"TenantId\" = 1 WHERE \"TenantId\" = 0;");
            migrationBuilder.Sql("UPDATE \"Portfolios\" SET \"TenantId\" = 1 WHERE \"TenantId\" = 0;");
            migrationBuilder.Sql("UPDATE \"Programmes\" SET \"TenantId\" = 1 WHERE \"TenantId\" = 0;");
            migrationBuilder.Sql("UPDATE \"Projects\" SET \"TenantId\" = 1 WHERE \"TenantId\" = 0;");

            migrationBuilder.CreateIndex(
                name: "IX_TenantOrganisations_TenantId_OrganisationId",
                table: "TenantOrganisations",
                columns: ["TenantId", "OrganisationId"],
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_TenantUsers_TenantId_UserId",
                table: "TenantUsers",
                columns: ["TenantId", "UserId"],
                unique: true);

            migrationBuilder.AddForeignKey(
                name: "FK_Awards_Tenants_TenantId",
                table: "Awards",
                column: "TenantId",
                principalTable: "Tenants",
                principalColumn: "Id",
                onDelete: ReferentialAction.Restrict);

            migrationBuilder.AddForeignKey(
                name: "FK_Notifications_Tenants_TenantId",
                table: "Notifications",
                column: "TenantId",
                principalTable: "Tenants",
                principalColumn: "Id",
                onDelete: ReferentialAction.Restrict);

            migrationBuilder.AddForeignKey(
                name: "FK_Portfolios_Tenants_TenantId",
                table: "Portfolios",
                column: "TenantId",
                principalTable: "Tenants",
                principalColumn: "Id",
                onDelete: ReferentialAction.Restrict);

            migrationBuilder.AddForeignKey(
                name: "FK_Programmes_Tenants_TenantId",
                table: "Programmes",
                column: "TenantId",
                principalTable: "Tenants",
                principalColumn: "Id");

            migrationBuilder.AddForeignKey(
                name: "FK_Projects_Tenants_TenantId",
                table: "Projects",
                column: "TenantId",
                principalTable: "Tenants",
                principalColumn: "Id",
                onDelete: ReferentialAction.Restrict);
        }

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropForeignKey(
                name: "FK_Awards_Tenants_TenantId",
                table: "Awards");

            migrationBuilder.DropForeignKey(
                name: "FK_Notifications_Tenants_TenantId",
                table: "Notifications");

            migrationBuilder.DropForeignKey(
                name: "FK_Portfolios_Tenants_TenantId",
                table: "Portfolios");

            migrationBuilder.DropForeignKey(
                name: "FK_Programmes_Tenants_TenantId",
                table: "Programmes");

            migrationBuilder.DropForeignKey(
                name: "FK_Projects_Tenants_TenantId",
                table: "Projects");

            migrationBuilder.DropTable(
                name: "TenantOrganisations");

            migrationBuilder.DropTable(
                name: "TenantUsers");

            migrationBuilder.DropTable(
                name: "Tenants");

            migrationBuilder.DropIndex(
                name: "IX_TenantOrganisations_TenantId_OrganisationId",
                table: "TenantOrganisations");

            migrationBuilder.DropIndex(
                name: "IX_TenantUsers_TenantId_UserId",
                table: "TenantUsers");

            migrationBuilder.DropIndex(
                name: "IX_Projects_TenantId",
                table: "Projects");

            migrationBuilder.DropIndex(
                name: "IX_Programmes_TenantId",
                table: "Programmes");

            migrationBuilder.DropIndex(
                name: "IX_Portfolios_TenantId",
                table: "Portfolios");

            migrationBuilder.DropIndex(
                name: "IX_Notifications_TenantId",
                table: "Notifications");

            migrationBuilder.DropIndex(
                name: "IX_Awards_TenantId",
                table: "Awards");

            migrationBuilder.DropColumn(
                name: "TenantId",
                table: "Projects");

            migrationBuilder.DropColumn(
                name: "TenantId",
                table: "Programmes");

            migrationBuilder.DropColumn(
                name: "TenantId",
                table: "Portfolios");

            migrationBuilder.DropColumn(
                name: "TenantId",
                table: "Notifications");

            migrationBuilder.DropColumn(
                name: "TenantId",
                table: "Awards");
        }
    }
}