import SchemaSelector from 'components/ui/SchemaSelector'

import {
  Button,
  SelectContent_Shadcn_,
  SelectGroup_Shadcn_,
  SelectItem_Shadcn_,
  SelectTrigger_Shadcn_,
  SelectValue_Shadcn_,
  Select_Shadcn_,
} from 'ui'

export interface PrivilegesHeadProps {
  disabled: boolean
  selectedSchema: string
  selectedRole: string
  selectedTable?: { name: string }
  tables: string[]
  roles: string[]
  onChangeSchema: (schema: string) => void
  onChangeRole: (role: string) => void
  onChangeTable: (table: string) => void
  hasChanges?: boolean
  resetChanges: () => void
  applyChanges: () => void
  isApplyingChanges?: boolean
}

const PrivilegesHead = ({
  disabled,
  selectedSchema,
  onChangeSchema,
  selectedRole,
  roles,
  onChangeRole,
  selectedTable,
  tables,
  onChangeTable,
  hasChanges = false,
  resetChanges,
  applyChanges,
  isApplyingChanges = false,
}: PrivilegesHeadProps) => {
  return (
    <div className="flex items-center justify-between">
      <div className="flex items-center gap-4">
        <SchemaSelector
          className="bg-control rounded-md w-[200px] [&>button]:py-[5px]"
          selectedSchemaName={selectedSchema}
          onSelectSchema={onChangeSchema}
        />
        <div className="w-[200px]">
          <TablesSelect
            selectedTable={selectedTable}
            tables={tables}
            onChangeTable={onChangeTable}
          />
        </div>
        <div className="h-[20px] w-px border-r border-scale-600"></div>
        <div className="w-[200px]">
          <RolesSelect selectedRole={selectedRole} roles={roles} onChangeRole={onChangeRole} />
        </div>
      </div>

      <div className="flex items-center gap-2">
        <Button
          type="default"
          size="tiny"
          onClick={resetChanges}
          disabled={!hasChanges || isApplyingChanges}
        >
          Reset
        </Button>
        <Button
          type="primary"
          size="tiny"
          onClick={applyChanges}
          disabled={disabled || !hasChanges || isApplyingChanges}
          loading={isApplyingChanges}
        >
          Apply Changes
        </Button>
      </div>
    </div>
  )
}

const RolesSelect = ({
  selectedRole,
  roles,
  onChangeRole,
}: {
  selectedRole: string
  roles: string[]
  onChangeRole: (role: string) => void
}) => {
  return (
    <Select_Shadcn_ value={selectedRole} onValueChange={onChangeRole}>
      <SelectTrigger_Shadcn_>
        <SelectValue_Shadcn_ placeholder="Select a role" />
      </SelectTrigger_Shadcn_>
      <SelectContent_Shadcn_>
        <SelectGroup_Shadcn_>
          {roles.map((role) => (
            <SelectItem_Shadcn_ key={role} value={role}>
              <span className="text-foreground-light">role</span> {role}
            </SelectItem_Shadcn_>
          ))}
        </SelectGroup_Shadcn_>
      </SelectContent_Shadcn_>
    </Select_Shadcn_>
  )
}

const TablesSelect = ({
  selectedTable,
  tables,
  onChangeTable,
}: {
  selectedTable?: {
    name: string
  }
  tables: string[]
  onChangeTable: (table: string) => void
}) => {
  return (
    <Select_Shadcn_ value={selectedTable?.name} onValueChange={onChangeTable}>
      <SelectTrigger_Shadcn_>
        <SelectValue_Shadcn_ placeholder="Select a table" />
      </SelectTrigger_Shadcn_>
      <SelectContent_Shadcn_>
        <SelectGroup_Shadcn_>
          {tables.length === 0 ? (
            <div className="text-xs text-foreground-light p-2">
              No tables available in this schema
            </div>
          ) : null}
          {tables.map((table) => (
            <SelectItem_Shadcn_ key={table} value={table}>
              <span className="text-foreground-light">table</span> {table}
            </SelectItem_Shadcn_>
          ))}
        </SelectGroup_Shadcn_>
      </SelectContent_Shadcn_>
    </Select_Shadcn_>
  )
}

export default PrivilegesHead